1984-11-06 Senatorial Election Results for Iowa (Class 2)

Click on a county in the table or the map to see demographic data for that county.

County	Turnout	Tom Harkin (D)		Roger Jepsen* (R)		Gary DeYoung (I)		Other		Margin	TOTAL
Adair	68%	2,745	60.4%	1,777	39.1%	18	0.4%	5	0.1%	968	4,545
Adams	72%	1,577	54.9%	1,283	44.7%	13	0.5%	0	0.0%	294	2,873
Allamakee	59%	2,460	40.1%	3,611	58.9%	59	1.0%	0	0.0%	-1,151	6,130
Appanoose	61%	3,651	55.4%	2,884	43.8%	57	0.9%	0	0.0%	767	6,592
Audubon	69%	2,411	58.9%	1,660	40.5%	24	0.6%	0	0.0%	751	4,095
Benton	63%	5,603	54.0%	4,595	44.3%	170	1.6%	5	0.0%	1,008	10,373
Black Hawk	65%	35,210	56.0%	27,319	43.4%	376	0.6%	7	0.0%	7,891	62,912
Boone	64%	7,917	64.9%	4,239	34.7%	47	0.4%	0	0.0%	3,678	12,203
Bremer	62%	4,956	46.5%	5,603	52.6%	97	0.9%	1	0.0%	-647	10,657
Buchanan	62%	4,910	52.9%	4,187	45.1%	181	2.0%	3	0.0%	723	9,281
Buena Vista	60%	4,999	55.3%	3,960	43.8%	82	0.9%	1	0.0%	1,039	9,042
Butler	56%	2,740	40.3%	4,019	59.1%	36	0.5%	0	0.0%	-1,279	6,795
Calhoun	61%	3,196	55.3%	2,545	44.0%	41	0.7%	0	0.0%	651	5,782
Carroll	64%	6,199	63.2%	3,533	36.0%	73	0.7%	6	0.1%	2,666	9,811
Cass	61%	3,253	44.7%	3,969	54.5%	59	0.8%	0	0.0%	-716	7,281
Cedar	59%	3,714	48.2%	3,817	49.6%	162	2.1%	8	0.1%	-103	7,701
Cerro Gordo	63%	12,330	55.0%	9,909	44.2%	158	0.7%	1	0.0%	2,421	22,398
Cherokee	65%	4,137	57.4%	2,984	41.4%	82	1.1%	1	0.0%	1,153	7,204
Chickasaw	66%	3,692	54.9%	2,993	44.5%	38	0.6%	0	0.0%	699	6,723
Clarke	69%	2,669	62.6%	1,584	37.2%	9	0.2%	1	0.0%	1,085	4,263
Clay	60%	4,668	58.1%	3,287	40.9%	80	1.0%	3	0.0%	1,381	8,038
Clayton	58%	3,943	47.4%	4,294	51.7%	76	0.9%	0	0.0%	-351	8,313
Clinton	64%	13,352	53.6%	11,420	45.9%	131	0.5%	1	0.0%	1,932	24,904
Crawford	61%	4,429	56.9%	3,221	41.4%	127	1.6%	0	0.0%	1,208	7,777
Dallas	61%	8,115	63.0%	4,558	35.4%	210	1.6%	7	0.1%	3,557	12,890
Davis	64%	2,394	59.3%	1,622	40.2%	23	0.6%	0	0.0%	772	4,039
Decatur	59%	2,697	64.5%	1,473	35.2%	12	0.3%	2	0.0%	1,224	4,184
Delaware	62%	3,850	49.5%	3,855	49.5%	78	1.0%	1	0.0%	-5	7,784
Des Moines	63%	12,255	60.0%	8,058	39.4%	122	0.6%	3	0.0%	4,197	20,438
Dickinson	61%	3,661	52.8%	3,196	46.1%	82	1.2%	0	0.0%	465	6,939
Dubuque	63%	23,615	59.1%	16,064	40.2%	272	0.7%	2	0.0%	7,551	39,953
Emmet	60%	2,923	53.4%	2,515	46.0%	32	0.6%	0	0.0%	408	5,470
Fayette	64%	5,604	50.8%	5,326	48.3%	96	0.9%	3	0.0%	278	11,029
Floyd	63%	4,422	52.3%	3,987	47.2%	41	0.5%	1	0.0%	435	8,451
Franklin	59%	2,765	51.3%	2,569	47.7%	57	1.1%	0	0.0%	196	5,391
Fremont	62%	1,906	47.4%	2,090	52.0%	24	0.6%	0	0.0%	-184	4,020
Greene	69%	3,673	63.8%	2,020	35.1%	58	1.0%	2	0.0%	1,653	5,753
Grundy	65%	2,366	37.1%	3,942	61.8%	72	1.1%	1	0.0%	-1,576	6,381
Guthrie	62%	3,240	61.1%	2,006	37.8%	56	1.1%	0	0.0%	1,234	5,302
Hamilton	61%	4,190	54.8%	3,385	44.3%	68	0.9%	5	0.1%	805	7,648
Hancock	61%	2,736	47.2%	3,019	52.1%	38	0.7%	1	0.0%	-283	5,794
Hardin	63%	5,290	55.1%	4,220	44.0%	81	0.8%	2	0.0%	1,070	9,593
Harrison	60%	3,553	52.7%	3,170	47.1%	11	0.2%	2	0.0%	383	6,736
Henry	55%	3,924	51.0%	3,740	48.6%	19	0.2%	5	0.1%	184	7,688
Howard	66%	2,479	49.1%	2,504	49.6%	64	1.3%	1	0.0%	-25	5,048
Humboldt	67%	2,968	52.2%	2,631	46.3%	84	1.5%	2	0.0%	337	5,685
Ida	65%	2,085	51.4%	1,942	47.9%	30	0.7%	0	0.0%	143	4,057
Iowa	64%	3,317	46.7%	3,669	51.6%	123	1.7%	1	0.0%	-352	7,110
Jackson	60%	4,971	55.4%	3,898	43.5%	98	1.1%	1	0.0%	1,073	8,968
Jasper	63%	9,264	56.2%	7,083	43.0%	124	0.8%	0	0.0%	2,181	16,471
Jefferson	59%	3,726	51.3%	3,515	48.4%	19	0.3%	3	0.0%	211	7,263
Johnson	65%	30,549	67.9%	13,576	30.2%	751	1.7%	101	0.2%	16,973	44,977
Jones	60%	4,390	51.1%	4,154	48.3%	50	0.6%	4	0.0%	236	8,598
Keokuk	61%	3,092	55.8%	2,334	42.1%	113	2.0%	4	0.1%	758	5,543
Kossuth	65%	5,363	56.6%	4,025	42.5%	85	0.9%	5	0.1%	1,338	9,478
Lee	58%	10,038	57.4%	7,331	41.9%	107	0.6%	1	0.0%	2,707	17,477
Linn	66%	43,720	54.2%	35,447	44.0%	1,334	1.7%	117	0.1%	8,273	80,618
Louisa	53%	2,266	50.6%	2,204	49.2%	9	0.2%	1	0.0%	62	4,480
Lucas	68%	2,858	58.0%	2,039	41.4%	26	0.5%	3	0.1%	819	4,926
Lyon	63%	1,634	30.0%	3,784	69.4%	31	0.6%	0	0.0%	-2,150	5,449
Madison	68%	3,889	63.1%	2,253	36.6%	18	0.3%	1	0.0%	1,636	6,161
Mahaska	62%	4,993	49.2%	5,006	49.3%	157	1.5%	1	0.0%	-13	10,157
Marion	61%	7,475	56.1%	5,755	43.2%	95	0.7%	0	0.0%	1,720	13,325
Marshall	66%	10,568	54.5%	8,603	44.3%	222	1.1%	6	0.0%	1,965	19,399
Mills	55%	2,066	39.3%	3,162	60.1%	34	0.6%	0	0.0%	-1,096	5,262
Mitchell	66%	2,640	47.1%	2,929	52.2%	41	0.7%	0	0.0%	-289	5,610
Monona	59%	2,709	56.4%	2,057	42.8%	39	0.8%	0	0.0%	652	4,805
Monroe	65%	2,636	63.4%	1,509	36.3%	15	0.4%	0	0.0%	1,127	4,160
Montgomery	59%	2,316	40.6%	3,350	58.7%	41	0.7%	0	0.0%	-1,034	5,707
Muscatine	53%	7,302	48.9%	7,509	50.3%	110	0.7%	0	0.0%	-207	14,921
O'Brien	62%	3,304	45.2%	3,962	54.2%	38	0.5%	1	0.0%	-658	7,305
Osceola	57%	1,412	43.2%	1,837	56.2%	20	0.6%	0	0.0%	-425	3,269
Page	56%	2,831	37.4%	4,707	62.1%	37	0.5%	0	0.0%	-1,876	7,575
Palo Alto	65%	3,343	60.1%	2,155	38.7%	67	1.2%	0	0.0%	1,188	5,565
Plymouth	57%	4,667	48.4%	4,905	50.9%	71	0.7%	0	0.0%	-238	9,643
Pocahontas	65%	3,022	59.8%	1,967	38.9%	61	1.2%	3	0.1%	1,055	5,053
Polk	63%	88,793	61.2%	55,329	38.1%	1,046	0.7%	25	0.0%	33,464	145,193
Pottawattamie	56%	16,161	48.4%	16,975	50.8%	256	0.8%	0	0.0%	-814	33,392
Poweshiek	61%	4,955	56.9%	3,654	41.9%	103	1.2%	3	0.0%	1,301	8,715
Ringgold	70%	1,991	64.4%	1,093	35.4%	7	0.2%	0	0.0%	898	3,091
Sac	57%	3,066	54.8%	2,480	44.4%	45	0.8%	0	0.0%	586	5,591
Scott	64%	37,922	54.4%	31,381	45.0%	444	0.6%	12	0.0%	6,541	69,759
Shelby	64%	3,198	49.5%	3,240	50.1%	26	0.4%	0	0.0%	-42	6,464
Sioux	65%	3,540	26.0%	10,065	73.8%	30	0.2%	0	0.0%	-6,525	13,635
Story	65%	22,615	59.8%	14,913	39.5%	248	0.7%	16	0.0%	7,702	37,792
Tama	65%	4,838	55.3%	3,885	44.4%	31	0.4%	0	0.0%	953	8,754
Taylor	68%	2,104	53.4%	1,812	46.0%	25	0.6%	1	0.0%	292	3,942
Union	65%	3,722	58.2%	2,635	41.2%	37	0.6%	0	0.0%	1,087	6,394
Van Buren	61%	1,882	51.2%	1,786	48.6%	8	0.2%	1	0.0%	96	3,677
Wapello	61%	11,628	66.7%	5,669	32.5%	134	0.8%	8	0.0%	5,959	17,439
Warren	67%	10,331	63.3%	5,871	36.0%	121	0.7%	8	0.0%	4,460	16,331
Washington	53%	3,803	50.0%	3,741	49.2%	61	0.8%	2	0.0%	62	7,607
Wayne	66%	2,486	63.6%	1,410	36.1%	12	0.3%	2	0.1%	1,076	3,910
Webster	60%	11,850	61.9%	7,100	37.1%	202	1.1%	4	0.0%	4,750	19,156
Winnebago	65%	2,782	45.7%	3,285	54.0%	16	0.3%	1	0.0%	-503	6,084
Winneshiek	56%	4,541	51.1%	4,244	47.8%	102	1.1%	0	0.0%	297	8,887
Woodbury	57%	23,016	56.3%	17,632	43.1%	231	0.6%	3	0.0%	5,384	40,882
Worth	65%	2,261	54.5%	1,881	45.3%	8	0.2%	0	0.0%	380	4,150
Wright	58%	3,565	53.9%	2,990	45.2%	59	0.9%	0	0.0%	575	6,614
TOTAL	63%	716,883	55.5%	564,381	43.7%	11,014	0.9%	422	0.0%	152,502	1,292,700
Total R vote: 564,381 (43.7%)      Total D vote: 716,883 (55.5%)      Total Other vote: 11,436 (0.9%)
* incumbent
Campaign finance data for this election**:
Total Disbursements:		$2,843,695		$3,421,408		$0
Total Receipts:		$2,848,763		$3,423,029		$0
Cash on Hand:		$5,067		$8,007		$0
Contributions by Candidate:		$0		$0		$0
Loans by Candidate:		$0		$0		$0
Total Individual Contributions:		$1,939,374		$1,613,868		$0
Party Contributions:		$0		$0		$0
Other Committee Contributions:		$0		$0		$0
Transfers from Other Committees:		$35,157		$25,655		$0
Independent Expenditures Supporting:		$14,129		$198,461		$0
Independent Expenditures Opposing:		$83,453		$6,807		$0
Net Independent Expenditures:		$-69,324		$191,654		$0
Net Spending:		$2,774,371		$3,613,062		$0

1984 Senate class 2, Adair County
Candidate	Votes	Pct
Tom Harkin (D)	2,745	60.4%
Roger Jepsen* (R)	1,777	39.1%
Gary DeYoung (I)	18	0.4%
TOTAL	4,545
Turnout: 68%

1984 Senate class 2, Adams County
Candidate	Votes	Pct
Tom Harkin (D)	1,577	54.9%
Roger Jepsen* (R)	1,283	44.7%
Gary DeYoung (I)	13	0.5%
TOTAL	2,873
Turnout: 72%

1984 Senate class 2, Allamakee County
Candidate	Votes	Pct
Tom Harkin (D)	2,460	40.1%
Roger Jepsen* (R)	3,611	58.9%
Gary DeYoung (I)	59	1.0%
TOTAL	6,130
Turnout: 59%

1984 Senate class 2, Appanoose County
Candidate	Votes	Pct
Tom Harkin (D)	3,651	55.4%
Roger Jepsen* (R)	2,884	43.8%
Gary DeYoung (I)	57	0.9%
TOTAL	6,592
Turnout: 61%

1984 Senate class 2, Audubon County
Candidate	Votes	Pct
Tom Harkin (D)	2,411	58.9%
Roger Jepsen* (R)	1,660	40.5%
Gary DeYoung (I)	24	0.6%
TOTAL	4,095
Turnout: 69%

1984 Senate class 2, Benton County
Candidate	Votes	Pct
Tom Harkin (D)	5,603	54.0%
Roger Jepsen* (R)	4,595	44.3%
Gary DeYoung (I)	170	1.6%
TOTAL	10,373
Turnout: 63%

1984 Senate class 2, Black Hawk County
Candidate	Votes	Pct
Tom Harkin (D)	35,210	56.0%
Roger Jepsen* (R)	27,319	43.4%
Gary DeYoung (I)	376	0.6%
TOTAL	62,912
Turnout: 65%

1984 Senate class 2, Boone County
Candidate	Votes	Pct
Tom Harkin (D)	7,917	64.9%
Roger Jepsen* (R)	4,239	34.7%
Gary DeYoung (I)	47	0.4%
TOTAL	12,203
Turnout: 64%

1984 Senate class 2, Bremer County
Candidate	Votes	Pct
Tom Harkin (D)	4,956	46.5%
Roger Jepsen* (R)	5,603	52.6%
Gary DeYoung (I)	97	0.9%
TOTAL	10,657
Turnout: 62%

1984 Senate class 2, Buchanan County
Candidate	Votes	Pct
Tom Harkin (D)	4,910	52.9%
Roger Jepsen* (R)	4,187	45.1%
Gary DeYoung (I)	181	2.0%
TOTAL	9,281
Turnout: 62%

1984 Senate class 2, Buena Vista County
Candidate	Votes	Pct
Tom Harkin (D)	4,999	55.3%
Roger Jepsen* (R)	3,960	43.8%
Gary DeYoung (I)	82	0.9%
TOTAL	9,042
Turnout: 60%

1984 Senate class 2, Butler County
Candidate	Votes	Pct
Tom Harkin (D)	2,740	40.3%
Roger Jepsen* (R)	4,019	59.1%
Gary DeYoung (I)	36	0.5%
TOTAL	6,795
Turnout: 56%

1984 Senate class 2, Calhoun County
Candidate	Votes	Pct
Tom Harkin (D)	3,196	55.3%
Roger Jepsen* (R)	2,545	44.0%
Gary DeYoung (I)	41	0.7%
TOTAL	5,782
Turnout: 61%

1984 Senate class 2, Carroll County
Candidate	Votes	Pct
Tom Harkin (D)	6,199	63.2%
Roger Jepsen* (R)	3,533	36.0%
Gary DeYoung (I)	73	0.7%
TOTAL	9,811
Turnout: 64%

1984 Senate class 2, Cass County
Candidate	Votes	Pct
Tom Harkin (D)	3,253	44.7%
Roger Jepsen* (R)	3,969	54.5%
Gary DeYoung (I)	59	0.8%
TOTAL	7,281
Turnout: 61%

1984 Senate class 2, Cedar County
Candidate	Votes	Pct
Tom Harkin (D)	3,714	48.2%
Roger Jepsen* (R)	3,817	49.6%
Gary DeYoung (I)	162	2.1%
TOTAL	7,701
Turnout: 59%

1984 Senate class 2, Cerro Gordo County
Candidate	Votes	Pct
Tom Harkin (D)	12,330	55.0%
Roger Jepsen* (R)	9,909	44.2%
Gary DeYoung (I)	158	0.7%
TOTAL	22,398
Turnout: 63%

1984 Senate class 2, Cherokee County
Candidate	Votes	Pct
Tom Harkin (D)	4,137	57.4%
Roger Jepsen* (R)	2,984	41.4%
Gary DeYoung (I)	82	1.1%
TOTAL	7,204
Turnout: 65%

1984 Senate class 2, Chickasaw County
Candidate	Votes	Pct
Tom Harkin (D)	3,692	54.9%
Roger Jepsen* (R)	2,993	44.5%
Gary DeYoung (I)	38	0.6%
TOTAL	6,723
Turnout: 66%

1984 Senate class 2, Clarke County
Candidate	Votes	Pct
Tom Harkin (D)	2,669	62.6%
Roger Jepsen* (R)	1,584	37.2%
Gary DeYoung (I)	9	0.2%
TOTAL	4,263
Turnout: 69%

1984 Senate class 2, Clay County
Candidate	Votes	Pct
Tom Harkin (D)	4,668	58.1%
Roger Jepsen* (R)	3,287	40.9%
Gary DeYoung (I)	80	1.0%
TOTAL	8,038
Turnout: 60%

1984 Senate class 2, Clayton County
Candidate	Votes	Pct
Tom Harkin (D)	3,943	47.4%
Roger Jepsen* (R)	4,294	51.7%
Gary DeYoung (I)	76	0.9%
TOTAL	8,313
Turnout: 58%

1984 Senate class 2, Clinton County
Candidate	Votes	Pct
Tom Harkin (D)	13,352	53.6%
Roger Jepsen* (R)	11,420	45.9%
Gary DeYoung (I)	131	0.5%
TOTAL	24,904
Turnout: 64%

1984 Senate class 2, Crawford County
Candidate	Votes	Pct
Tom Harkin (D)	4,429	56.9%
Roger Jepsen* (R)	3,221	41.4%
Gary DeYoung (I)	127	1.6%
TOTAL	7,777
Turnout: 61%

1984 Senate class 2, Dallas County
Candidate	Votes	Pct
Tom Harkin (D)	8,115	63.0%
Roger Jepsen* (R)	4,558	35.4%
Gary DeYoung (I)	210	1.6%
TOTAL	12,890
Turnout: 61%

1984 Senate class 2, Davis County
Candidate	Votes	Pct
Tom Harkin (D)	2,394	59.3%
Roger Jepsen* (R)	1,622	40.2%
Gary DeYoung (I)	23	0.6%
TOTAL	4,039
Turnout: 64%

1984 Senate class 2, Decatur County
Candidate	Votes	Pct
Tom Harkin (D)	2,697	64.5%
Roger Jepsen* (R)	1,473	35.2%
Gary DeYoung (I)	12	0.3%
TOTAL	4,184
Turnout: 59%

1984 Senate class 2, Delaware County
Candidate	Votes	Pct
Tom Harkin (D)	3,850	49.5%
Roger Jepsen* (R)	3,855	49.5%
Gary DeYoung (I)	78	1.0%
TOTAL	7,784
Turnout: 62%

1984 Senate class 2, Des Moines County
Candidate	Votes	Pct
Tom Harkin (D)	12,255	60.0%
Roger Jepsen* (R)	8,058	39.4%
Gary DeYoung (I)	122	0.6%
TOTAL	20,438
Turnout: 63%

1984 Senate class 2, Dickinson County
Candidate	Votes	Pct
Tom Harkin (D)	3,661	52.8%
Roger Jepsen* (R)	3,196	46.1%
Gary DeYoung (I)	82	1.2%
TOTAL	6,939
Turnout: 61%

1984 Senate class 2, Dubuque County
Candidate	Votes	Pct
Tom Harkin (D)	23,615	59.1%
Roger Jepsen* (R)	16,064	40.2%
Gary DeYoung (I)	272	0.7%
TOTAL	39,953
Turnout: 63%

1984 Senate class 2, Emmet County
Candidate	Votes	Pct
Tom Harkin (D)	2,923	53.4%
Roger Jepsen* (R)	2,515	46.0%
Gary DeYoung (I)	32	0.6%
TOTAL	5,470
Turnout: 60%

1984 Senate class 2, Fayette County
Candidate	Votes	Pct
Tom Harkin (D)	5,604	50.8%
Roger Jepsen* (R)	5,326	48.3%
Gary DeYoung (I)	96	0.9%
TOTAL	11,029
Turnout: 64%

1984 Senate class 2, Floyd County
Candidate	Votes	Pct
Tom Harkin (D)	4,422	52.3%
Roger Jepsen* (R)	3,987	47.2%
Gary DeYoung (I)	41	0.5%
TOTAL	8,451
Turnout: 63%

1984 Senate class 2, Franklin County
Candidate	Votes	Pct
Tom Harkin (D)	2,765	51.3%
Roger Jepsen* (R)	2,569	47.7%
Gary DeYoung (I)	57	1.1%
TOTAL	5,391
Turnout: 59%

1984 Senate class 2, Fremont County
Candidate	Votes	Pct
Tom Harkin (D)	1,906	47.4%
Roger Jepsen* (R)	2,090	52.0%
Gary DeYoung (I)	24	0.6%
TOTAL	4,020
Turnout: 62%

1984 Senate class 2, Greene County
Candidate	Votes	Pct
Tom Harkin (D)	3,673	63.8%
Roger Jepsen* (R)	2,020	35.1%
Gary DeYoung (I)	58	1.0%
TOTAL	5,753
Turnout: 69%

1984 Senate class 2, Grundy County
Candidate	Votes	Pct
Tom Harkin (D)	2,366	37.1%
Roger Jepsen* (R)	3,942	61.8%
Gary DeYoung (I)	72	1.1%
TOTAL	6,381
Turnout: 65%

1984 Senate class 2, Guthrie County
Candidate	Votes	Pct
Tom Harkin (D)	3,240	61.1%
Roger Jepsen* (R)	2,006	37.8%
Gary DeYoung (I)	56	1.1%
TOTAL	5,302
Turnout: 62%

1984 Senate class 2, Hamilton County
Candidate	Votes	Pct
Tom Harkin (D)	4,190	54.8%
Roger Jepsen* (R)	3,385	44.3%
Gary DeYoung (I)	68	0.9%
TOTAL	7,648
Turnout: 61%

1984 Senate class 2, Hancock County
Candidate	Votes	Pct
Tom Harkin (D)	2,736	47.2%
Roger Jepsen* (R)	3,019	52.1%
Gary DeYoung (I)	38	0.7%
TOTAL	5,794
Turnout: 61%

1984 Senate class 2, Hardin County
Candidate	Votes	Pct
Tom Harkin (D)	5,290	55.1%
Roger Jepsen* (R)	4,220	44.0%
Gary DeYoung (I)	81	0.8%
TOTAL	9,593
Turnout: 63%

1984 Senate class 2, Harrison County
Candidate	Votes	Pct
Tom Harkin (D)	3,553	52.7%
Roger Jepsen* (R)	3,170	47.1%
Gary DeYoung (I)	11	0.2%
TOTAL	6,736
Turnout: 60%

1984 Senate class 2, Henry County
Candidate	Votes	Pct
Tom Harkin (D)	3,924	51.0%
Roger Jepsen* (R)	3,740	48.6%
Gary DeYoung (I)	19	0.2%
TOTAL	7,688
Turnout: 55%

1984 Senate class 2, Howard County
Candidate	Votes	Pct
Tom Harkin (D)	2,479	49.1%
Roger Jepsen* (R)	2,504	49.6%
Gary DeYoung (I)	64	1.3%
TOTAL	5,048
Turnout: 66%

1984 Senate class 2, Humboldt County
Candidate	Votes	Pct
Tom Harkin (D)	2,968	52.2%
Roger Jepsen* (R)	2,631	46.3%
Gary DeYoung (I)	84	1.5%
TOTAL	5,685
Turnout: 67%

1984 Senate class 2, Ida County
Candidate	Votes	Pct
Tom Harkin (D)	2,085	51.4%
Roger Jepsen* (R)	1,942	47.9%
Gary DeYoung (I)	30	0.7%
TOTAL	4,057
Turnout: 65%

1984 Senate class 2, Iowa County
Candidate	Votes	Pct
Tom Harkin (D)	3,317	46.7%
Roger Jepsen* (R)	3,669	51.6%
Gary DeYoung (I)	123	1.7%
TOTAL	7,110
Turnout: 64%

1984 Senate class 2, Jackson County
Candidate	Votes	Pct
Tom Harkin (D)	4,971	55.4%
Roger Jepsen* (R)	3,898	43.5%
Gary DeYoung (I)	98	1.1%
TOTAL	8,968
Turnout: 60%

1984 Senate class 2, Jasper County
Candidate	Votes	Pct
Tom Harkin (D)	9,264	56.2%
Roger Jepsen* (R)	7,083	43.0%
Gary DeYoung (I)	124	0.8%
TOTAL	16,471
Turnout: 63%

1984 Senate class 2, Jefferson County
Candidate	Votes	Pct
Tom Harkin (D)	3,726	51.3%
Roger Jepsen* (R)	3,515	48.4%
Gary DeYoung (I)	19	0.3%
TOTAL	7,263
Turnout: 59%

1984 Senate class 2, Johnson County
Candidate	Votes	Pct
Tom Harkin (D)	30,549	67.9%
Roger Jepsen* (R)	13,576	30.2%
Gary DeYoung (I)	751	1.7%
TOTAL	44,977
Turnout: 65%

1984 Senate class 2, Jones County
Candidate	Votes	Pct
Tom Harkin (D)	4,390	51.1%
Roger Jepsen* (R)	4,154	48.3%
Gary DeYoung (I)	50	0.6%
TOTAL	8,598
Turnout: 60%

1984 Senate class 2, Keokuk County
Candidate	Votes	Pct
Tom Harkin (D)	3,092	55.8%
Roger Jepsen* (R)	2,334	42.1%
Gary DeYoung (I)	113	2.0%
TOTAL	5,543
Turnout: 61%

1984 Senate class 2, Kossuth County
Candidate	Votes	Pct
Tom Harkin (D)	5,363	56.6%
Roger Jepsen* (R)	4,025	42.5%
Gary DeYoung (I)	85	0.9%
TOTAL	9,478
Turnout: 65%

1984 Senate class 2, Lee County
Candidate	Votes	Pct
Tom Harkin (D)	10,038	57.4%
Roger Jepsen* (R)	7,331	41.9%
Gary DeYoung (I)	107	0.6%
TOTAL	17,477
Turnout: 58%

1984 Senate class 2, Linn County
Candidate	Votes	Pct
Tom Harkin (D)	43,720	54.2%
Roger Jepsen* (R)	35,447	44.0%
Gary DeYoung (I)	1,334	1.7%
TOTAL	80,618
Turnout: 66%

1984 Senate class 2, Louisa County
Candidate	Votes	Pct
Tom Harkin (D)	2,266	50.6%
Roger Jepsen* (R)	2,204	49.2%
Gary DeYoung (I)	9	0.2%
TOTAL	4,480
Turnout: 53%

1984 Senate class 2, Lucas County
Candidate	Votes	Pct
Tom Harkin (D)	2,858	58.0%
Roger Jepsen* (R)	2,039	41.4%
Gary DeYoung (I)	26	0.5%
TOTAL	4,926
Turnout: 68%

1984 Senate class 2, Lyon County
Candidate	Votes	Pct
Tom Harkin (D)	1,634	30.0%
Roger Jepsen* (R)	3,784	69.4%
Gary DeYoung (I)	31	0.6%
TOTAL	5,449
Turnout: 63%

1984 Senate class 2, Madison County
Candidate	Votes	Pct
Tom Harkin (D)	3,889	63.1%
Roger Jepsen* (R)	2,253	36.6%
Gary DeYoung (I)	18	0.3%
TOTAL	6,161
Turnout: 68%

1984 Senate class 2, Mahaska County
Candidate	Votes	Pct
Tom Harkin (D)	4,993	49.2%
Roger Jepsen* (R)	5,006	49.3%
Gary DeYoung (I)	157	1.5%
TOTAL	10,157
Turnout: 62%

1984 Senate class 2, Marion County
Candidate	Votes	Pct
Tom Harkin (D)	7,475	56.1%
Roger Jepsen* (R)	5,755	43.2%
Gary DeYoung (I)	95	0.7%
TOTAL	13,325
Turnout: 61%

1984 Senate class 2, Marshall County
Candidate	Votes	Pct
Tom Harkin (D)	10,568	54.5%
Roger Jepsen* (R)	8,603	44.3%
Gary DeYoung (I)	222	1.1%
TOTAL	19,399
Turnout: 66%

1984 Senate class 2, Mills County
Candidate	Votes	Pct
Tom Harkin (D)	2,066	39.3%
Roger Jepsen* (R)	3,162	60.1%
Gary DeYoung (I)	34	0.6%
TOTAL	5,262
Turnout: 55%

1984 Senate class 2, Mitchell County
Candidate	Votes	Pct
Tom Harkin (D)	2,640	47.1%
Roger Jepsen* (R)	2,929	52.2%
Gary DeYoung (I)	41	0.7%
TOTAL	5,610
Turnout: 66%

1984 Senate class 2, Monona County
Candidate	Votes	Pct
Tom Harkin (D)	2,709	56.4%
Roger Jepsen* (R)	2,057	42.8%
Gary DeYoung (I)	39	0.8%
TOTAL	4,805
Turnout: 59%

1984 Senate class 2, Monroe County
Candidate	Votes	Pct
Tom Harkin (D)	2,636	63.4%
Roger Jepsen* (R)	1,509	36.3%
Gary DeYoung (I)	15	0.4%
TOTAL	4,160
Turnout: 65%

1984 Senate class 2, Montgomery County
Candidate	Votes	Pct
Tom Harkin (D)	2,316	40.6%
Roger Jepsen* (R)	3,350	58.7%
Gary DeYoung (I)	41	0.7%
TOTAL	5,707
Turnout: 59%

1984 Senate class 2, Muscatine County
Candidate	Votes	Pct
Tom Harkin (D)	7,302	48.9%
Roger Jepsen* (R)	7,509	50.3%
Gary DeYoung (I)	110	0.7%
TOTAL	14,921
Turnout: 53%

1984 Senate class 2, O'Brien County
Candidate	Votes	Pct
Tom Harkin (D)	3,304	45.2%
Roger Jepsen* (R)	3,962	54.2%
Gary DeYoung (I)	38	0.5%
TOTAL	7,305
Turnout: 62%

1984 Senate class 2, Osceola County
Candidate	Votes	Pct
Tom Harkin (D)	1,412	43.2%
Roger Jepsen* (R)	1,837	56.2%
Gary DeYoung (I)	20	0.6%
TOTAL	3,269
Turnout: 57%

1984 Senate class 2, Page County
Candidate	Votes	Pct
Tom Harkin (D)	2,831	37.4%
Roger Jepsen* (R)	4,707	62.1%
Gary DeYoung (I)	37	0.5%
TOTAL	7,575
Turnout: 56%

1984 Senate class 2, Palo Alto County
Candidate	Votes	Pct
Tom Harkin (D)	3,343	60.1%
Roger Jepsen* (R)	2,155	38.7%
Gary DeYoung (I)	67	1.2%
TOTAL	5,565
Turnout: 65%

1984 Senate class 2, Plymouth County
Candidate	Votes	Pct
Tom Harkin (D)	4,667	48.4%
Roger Jepsen* (R)	4,905	50.9%
Gary DeYoung (I)	71	0.7%
TOTAL	9,643
Turnout: 57%

1984 Senate class 2, Pocahontas County
Candidate	Votes	Pct
Tom Harkin (D)	3,022	59.8%
Roger Jepsen* (R)	1,967	38.9%
Gary DeYoung (I)	61	1.2%
TOTAL	5,053
Turnout: 65%

1984 Senate class 2, Polk County
Candidate	Votes	Pct
Tom Harkin (D)	88,793	61.2%
Roger Jepsen* (R)	55,329	38.1%
Gary DeYoung (I)	1,046	0.7%
TOTAL	145,193
Turnout: 63%

1984 Senate class 2, Pottawattamie County
Candidate	Votes	Pct
Tom Harkin (D)	16,161	48.4%
Roger Jepsen* (R)	16,975	50.8%
Gary DeYoung (I)	256	0.8%
TOTAL	33,392
Turnout: 56%

1984 Senate class 2, Poweshiek County
Candidate	Votes	Pct
Tom Harkin (D)	4,955	56.9%
Roger Jepsen* (R)	3,654	41.9%
Gary DeYoung (I)	103	1.2%
TOTAL	8,715
Turnout: 61%

1984 Senate class 2, Ringgold County
Candidate	Votes	Pct
Tom Harkin (D)	1,991	64.4%
Roger Jepsen* (R)	1,093	35.4%
Gary DeYoung (I)	7	0.2%
TOTAL	3,091
Turnout: 70%

1984 Senate class 2, Sac County
Candidate	Votes	Pct
Tom Harkin (D)	3,066	54.8%
Roger Jepsen* (R)	2,480	44.4%
Gary DeYoung (I)	45	0.8%
TOTAL	5,591
Turnout: 57%

1984 Senate class 2, Scott County
Candidate	Votes	Pct
Tom Harkin (D)	37,922	54.4%
Roger Jepsen* (R)	31,381	45.0%
Gary DeYoung (I)	444	0.6%
TOTAL	69,759
Turnout: 64%

1984 Senate class 2, Shelby County
Candidate	Votes	Pct
Tom Harkin (D)	3,198	49.5%
Roger Jepsen* (R)	3,240	50.1%
Gary DeYoung (I)	26	0.4%
TOTAL	6,464
Turnout: 64%

1984 Senate class 2, Sioux County
Candidate	Votes	Pct
Tom Harkin (D)	3,540	26.0%
Roger Jepsen* (R)	10,065	73.8%
Gary DeYoung (I)	30	0.2%
TOTAL	13,635
Turnout: 65%

1984 Senate class 2, Story County
Candidate	Votes	Pct
Tom Harkin (D)	22,615	59.8%
Roger Jepsen* (R)	14,913	39.5%
Gary DeYoung (I)	248	0.7%
TOTAL	37,792
Turnout: 65%

1984 Senate class 2, Tama County
Candidate	Votes	Pct
Tom Harkin (D)	4,838	55.3%
Roger Jepsen* (R)	3,885	44.4%
Gary DeYoung (I)	31	0.4%
TOTAL	8,754
Turnout: 65%

1984 Senate class 2, Taylor County
Candidate	Votes	Pct
Tom Harkin (D)	2,104	53.4%
Roger Jepsen* (R)	1,812	46.0%
Gary DeYoung (I)	25	0.6%
TOTAL	3,942
Turnout: 68%

1984 Senate class 2, Union County
Candidate	Votes	Pct
Tom Harkin (D)	3,722	58.2%
Roger Jepsen* (R)	2,635	41.2%
Gary DeYoung (I)	37	0.6%
TOTAL	6,394
Turnout: 65%

1984 Senate class 2, Van Buren County
Candidate	Votes	Pct
Tom Harkin (D)	1,882	51.2%
Roger Jepsen* (R)	1,786	48.6%
Gary DeYoung (I)	8	0.2%
TOTAL	3,677
Turnout: 61%

1984 Senate class 2, Wapello County
Candidate	Votes	Pct
Tom Harkin (D)	11,628	66.7%
Roger Jepsen* (R)	5,669	32.5%
Gary DeYoung (I)	134	0.8%
TOTAL	17,439
Turnout: 61%

1984 Senate class 2, Warren County
Candidate	Votes	Pct
Tom Harkin (D)	10,331	63.3%
Roger Jepsen* (R)	5,871	36.0%
Gary DeYoung (I)	121	0.7%
TOTAL	16,331
Turnout: 67%

1984 Senate class 2, Washington County
Candidate	Votes	Pct
Tom Harkin (D)	3,803	50.0%
Roger Jepsen* (R)	3,741	49.2%
Gary DeYoung (I)	61	0.8%
TOTAL	7,607
Turnout: 53%

1984 Senate class 2, Wayne County
Candidate	Votes	Pct
Tom Harkin (D)	2,486	63.6%
Roger Jepsen* (R)	1,410	36.1%
Gary DeYoung (I)	12	0.3%
TOTAL	3,910
Turnout: 66%

1984 Senate class 2, Webster County
Candidate	Votes	Pct
Tom Harkin (D)	11,850	61.9%
Roger Jepsen* (R)	7,100	37.1%
Gary DeYoung (I)	202	1.1%
TOTAL	19,156
Turnout: 60%

1984 Senate class 2, Winnebago County
Candidate	Votes	Pct
Tom Harkin (D)	2,782	45.7%
Roger Jepsen* (R)	3,285	54.0%
Gary DeYoung (I)	16	0.3%
TOTAL	6,084
Turnout: 65%

1984 Senate class 2, Winneshiek County
Candidate	Votes	Pct
Tom Harkin (D)	4,541	51.1%
Roger Jepsen* (R)	4,244	47.8%
Gary DeYoung (I)	102	1.1%
TOTAL	8,887
Turnout: 56%

1984 Senate class 2, Woodbury County
Candidate	Votes	Pct
Tom Harkin (D)	23,016	56.3%
Roger Jepsen* (R)	17,632	43.1%
Gary DeYoung (I)	231	0.6%
TOTAL	40,882
Turnout: 57%

1984 Senate class 2, Worth County
Candidate	Votes	Pct
Tom Harkin (D)	2,261	54.5%
Roger Jepsen* (R)	1,881	45.3%
Gary DeYoung (I)	8	0.2%
TOTAL	4,150
Turnout: 65%

1984 Senate class 2, Wright County
Candidate	Votes	Pct
Tom Harkin (D)	3,565	53.9%
Roger Jepsen* (R)	2,990	45.2%
Gary DeYoung (I)	59	0.9%
TOTAL	6,614
Turnout: 58%

Campaign finance data for this election**:

Tom Harkin
Total Disbursements:	$2,843,695
Total Receipts:	$2,848,763
Cash on Hand:	$5,067
Candidate Contributions:	$0
Candidate Loans:	$0
Individual Contributions:	$1,939,374
Party Contributions:	$0
Other Committee Contributions:	$0
Other Committee Transfers:	$35,157
Indep. Expenditures Supporting:	$14,129
Indep. Expenditures Opposing:	$83,453
Net Independent Expenditures:	$-69,324
Net Spending:	$2,774,371

Roger Jepsen*
Total Disbursements:	$3,421,408
Total Receipts:	$3,423,029
Cash on Hand:	$8,007
Candidate Contributions:	$0
Candidate Loans:	$0
Individual Contributions:	$1,613,868
Party Contributions:	$0
Other Committee Contributions:	$0
Other Committee Transfers:	$25,655
Indep. Expenditures Supporting:	$198,461
Indep. Expenditures Opposing:	$6,807
Net Independent Expenditures:	$191,654
Net Spending:	$3,613,062

**Financial data shown here takes into account all elections for this office during this cycle, including primary, special and runoff elections, if any.
Source: https://www.fec.gov/data/elections/senate/IA/1984