RightDataUSA

DeKalb County, IL


Metropolitan Statistical Area: Chicago-Naperville-Elgin, IL-IN-WI
Designated Market Area: Chicago, IL-IN
USDA County Type (2015): Government
American Communities Project County Type (2023): College Towns

Places in DeKalb County, IL     [Sort places by name]

 

Tracts in DeKalb County, IL

   



Click here to view demographic data for DeKalb County, IL

2022 population: 100,232   ( 4,928 from 2010 , 183 from 2020)
Land area: 631.3 square miles
Population density: 158.8 persons per square mile

2022 Census data
White:73,422 73.25% 12.4%
Black:8,7708.75% 33.3%
Indian:1720.17% 35.4%
Asian:2,6672.66% 10.3%
2+ races:1,9751.97% 36.3%
Hispanic:13,22613.20% 24.2%
Total non-White:26,81026.75% 25.7%

2020-2022 ComponentsNumberRate
Births:2,348 11.7
Deaths:1,9659.8
Net Migration: -1,025-5.1
Net Immigration: 4132.1
Change in White population:-10,403 -9.9
Change in Non-White pop.:5,475 5.2



Historical Presidential Election Results for DeKalb County, IL

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +2,814 D +1,363 D + 2.4%
D +4,177
2020 vs. 2012 R +2,971 D +465 D + 0.2%
D +3,436
2020 vs. 2008 R +3,639 R +4,780 R + 11.2%
D -1,141
2016 vs. 2008 R +825 R +6,143 R + 13.6%
D -5,318
How to interpret this table


Click on the Year to view county-level data for that election.

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2020 61% Joe Biden (D) 24,643 51.4% Donald Trump* (R) 21,905 45.6% 1,441 [+] 3.0% 47,989 5 -1 0.79%
2016 55% Hillary Clinton (D) 20,466 46.9% Donald Trump (R) 19,091 43.8% 4,043 [+] 9.3% 43,600 5 -2 0.78%
2012 51% Barack Obama* (D) 21,207 51.4% Mitt Romney (R) 18,934 45.9% 1,100 [+] 2.7% 41,241 5 -1 0.79%
2008 57% Barack Obama (D) 25,784 57.3% John McCain (R) 18,266 40.6% 924 [+] 2.1% 44,974 4 -5 0.81%
2004 55% George W. Bush* (R) 21,095 51.7% John Kerry (D) 19,263 47.3% 410 [+] 1.0% 40,768 7 1 0.77%
2000 49% George W. Bush (R) 17,139 51.6% Albert Gore, Jr. (D) 14,798 44.5% 1,296 [+] 3.9% 33,233 9 4 0.70%
1996 44% Bill Clinton* (D) 12,715 44.6% Robert Dole (R) 12,380 43.4% 3,432 [+] 12.0% 28,527 7 3 0.66%
1992 55% Bill Clinton (D) 13,744 40.1% George Bush* (R) 12,655 37.0% 7,833 [+] 22.9% 34,232 3 0 0.68%
1988 48% George Bush (R) 17,182 58.9% Michael Dukakis (D) 11,811 40.5% 197 [+] 0.7% 29,190 8 5 0.64%
1984 53% Ronald Reagan* (R) 20,294 64.5% Walter Mondale (D) 10,942 34.8% 229 0.7% 31,465 8 6 0.65%
1980 53% Ronald Reagan (R) 16,370 53.9% Jimmy Carter* (D) 8,913 29.4% 5,082 [+] 16.7% 30,365 4 3 0.64%
1976 58% Gerald Ford* (R) 18,193 59.2% Jimmy Carter (D) 11,535 37.5% 1,000 [+] 3.3% 30,728 9 11 0.65%
1972 60% Richard Nixon* (R) 18,910 60.3% George McGovern (D) 12,375 39.4% 99 [+] 0.3% 31,384 1 0 0.66%
1968 51% Richard Nixon (R) 14,535 63.2% Hubert Humphrey (D) 6,974 30.3% 1,490 [+] 6.5% 22,999 16 20 0.50%
1964 55% Barry Goldwater (R) 11,791 53.5% Lyndon Johnson* (D) 10,257 46.5% 1 0.0% 22,049 13 15 0.47%
1960 65% Richard Nixon (R) 15,586 69.6% John Kennedy (D) 6,783 30.3% 19 0.1% 22,388 20 20 0.47%
1956 58% Dwight Eisenhower* (R) 15,078 75.7% Adlai Stevenson (D) 4,826 24.2% 25 0.1% 19,929 16 18 0.45%
1952 64% Dwight Eisenhower (R) 14,807 74.2% Adlai Stevenson (D) 5,110 25.6% 30 0.2% 19,947 19 19 0.45%
1948 58% Thomas Dewey (R) 11,380 68.7% Harry Truman* (D) 5,082 30.7% 105 [+] 0.6% 16,567 19 24 0.42%
1944 68% Thomas Dewey (R) 12,157 66.8% Franklin Roosevelt* (D) 6,004 33.0% 49 0.3% 18,210 19 21 0.45%
1940 79% Wendell Willkie (R) 12,577 63.9% Franklin Roosevelt* (D) 6,989 35.5% 102 0.5% 19,668 15 19 0.47%
1936 80% Alf Landon (R) 9,826 53.8% Franklin Roosevelt* (D) 7,899 43.2% 550 [+] 3.0% 18,275 14 17 0.46%
1932 74% Herbert Hoover* (R) 9,356 56.4% Franklin Roosevelt (D) 6,923 41.7% 315 [+] 1.9% 16,594 14 17 0.49%
1928 74% Herbert Hoover (R) 11,501 74.2% Al Smith (D) 3,940 25.4% 62 [+] 0.4% 15,503 17 16 0.50%
1924 66% Calvin Coolidge (R) 10,500 76.4% Robert LaFollette (Prog) 1,654 12.0% 1,590 [+] 11.6% 13,744 18 22 0.56%
1920 61% Warren Harding (R) 10,374 83.9% James Cox (D) 1,700 13.8% 287 [+] 2.3% 12,361 16 24 0.59%
1916 67% Charles Evans Hughes (R) 9,764 71.3% Woodrow Wilson* (D) 3,386 24.7% 547 [+] 4.0% 13,697 19 25 0.62%
1912 35% Theodore Roosevelt (Prog) 3,643 49.8% William Taft* (R) 1,776 24.3% 1,895 [+] 25.9% 7,314 2 1 0.64%
1908 40% William Taft (R) 5,866 72.5% William J. Bryan (D) 1,732 21.4% 493 [+] 6.1% 8,091 18 21 0.70%
1904 39% Theodore Roosevelt (R) 5,957 77.4% Alton Parker (D) 1,137 14.8% 599 [+] 7.8% 7,693 19 21 0.71%
1900 42% William McKinley* (R) 5,923 73.0% William J. Bryan (D) 1,881 23.2% 306 [+] 3.8% 8,110 20 21 0.72%
* incumbent         PSV: percent of state vote



2020 President, DeKalb County, IL
CandidateVotesPct
Joe Biden (D) 24,643 51.4%
Donald Trump* (R) 21,905 45.6%
Jo Jorgensen (Lbt) 783 1.6%
Other 658 1.4%
TOTAL 47,989
Turnout: 61% Diff (St): 5 Diff (US): -1


2016 President, DeKalb County, IL
CandidateVotesPct
Hillary Clinton (D) 20,466 46.9%
Donald Trump (R) 19,091 43.8%
Gary Johnson (Lbt) 2,482 5.7%
Jill Stein (Grn) 751 1.7%
Other 810 1.9%
TOTAL 43,600
Turnout: 55% Diff (St): 5 Diff (US): -2


2012 President, DeKalb County, IL
CandidateVotesPct
Barack Obama* (D) 21,207 51.4%
Mitt Romney (R) 18,934 45.9%
Gary Johnson (Lbt) 636 1.5%
Other 464 1.1%
TOTAL 41,241
Turnout: 51% Diff (St): 5 Diff (US): -1


2008 President, DeKalb County, IL
CandidateVotesPct
Barack Obama (D) 25,784 57.3%
John McCain (R) 18,266 40.6%
Ralph Nader (I) 298 0.7%
Bob Barr (Lbt) 270 0.6%
Other 356 0.8%
TOTAL 44,974
Turnout: 57% Diff (St): 4 Diff (US): -5


2004 President, DeKalb County, IL
CandidateVotesPct
George W. Bush* (R) 21,095 51.7%
John Kerry (D) 19,263 47.3%
Other 410 1.0%
TOTAL 40,768
Turnout: 55% Diff (St): 7 Diff (US): 1


2000 President, DeKalb County, IL
CandidateVotesPct
George W. Bush (R) 17,139 51.6%
Albert Gore, Jr. (D) 14,798 44.5%
Ralph Nader (Grn) 1,032 3.1%
Pat Buchanan (Ref) 128 0.4%
Other 136 0.4%
TOTAL 33,233
Turnout: 49% Diff (St): 9 Diff (US): 4


1996 President, DeKalb County, IL
CandidateVotesPct
Bill Clinton* (D) 12,715 44.6%
Robert Dole (R) 12,380 43.4%
Ross Perot (Ref) 3,009 10.5%
Harry Browne (Lbt) 301 1.1%
Other 122 0.4%
TOTAL 28,527
Turnout: 44% Diff (St): 7 Diff (US): 3


1992 President, DeKalb County, IL
CandidateVotesPct
Bill Clinton (D) 13,744 40.1%
George Bush* (R) 12,655 37.0%
Ross Perot (I) 7,680 22.4%
Other 153 0.4%
TOTAL 34,232
Turnout: 55% Diff (St): 3 Diff (US): 0


1988 President, DeKalb County, IL
CandidateVotesPct
George Bush (R) 17,182 58.9%
Michael Dukakis (D) 11,811 40.5%
Ron Paul (Lbt) 122 0.4%
Other 75 0.3%
TOTAL 29,190
Turnout: 48% Diff (St): 8 Diff (US): 5


1984 President, DeKalb County, IL
CandidateVotesPct
Ronald Reagan* (R) 20,294 64.5%
Walter Mondale (D) 10,942 34.8%
Other 229 0.7%
TOTAL 31,465
Turnout: 53% Diff (St): 8 Diff (US): 6


1980 President, DeKalb County, IL
CandidateVotesPct
Ronald Reagan (R) 16,370 53.9%
Jimmy Carter* (D) 8,913 29.4%
John Anderson (I) 4,526 14.9%
Edward Clark (Lbt) 357 1.2%
Other 199 0.7%
TOTAL 30,365
Turnout: 53% Diff (St): 4 Diff (US): 3


1976 President, DeKalb County, IL
CandidateVotesPct
Jimmy Carter (D) 11,535 37.5%
Gerald Ford* (R) 18,193 59.2%
Eugene McCarthy (I) 740 2.4%
Other 260 0.8%
TOTAL 30,728
Turnout: 58% Diff (St): 9 Diff (US): 11


1972 President, DeKalb County, IL
CandidateVotesPct
Richard Nixon* (R) 18,910 60.3%
George McGovern (D) 12,375 39.4%
Other 99 0.3%
TOTAL 31,384
Turnout: 60% Diff (St): 1 Diff (US): 0


1968 President, DeKalb County, IL
CandidateVotesPct
Richard Nixon (R) 14,535 63.2%
Hubert Humphrey (D) 6,974 30.3%
George Wallace (AIP) 1,238 5.4%
Other 252 1.1%
TOTAL 22,999
Turnout: 51% Diff (St): 16 Diff (US): 20


1964 President, DeKalb County, IL
CandidateVotesPct
Lyndon Johnson* (D) 10,257 46.5%
Barry Goldwater (R) 11,791 53.5%
Other 1 0.0%
TOTAL 22,049
Turnout: 55% Diff (St): 13 Diff (US): 15


1960 President, DeKalb County, IL
CandidateVotesPct
John Kennedy (D) 6,783 30.3%
Richard Nixon (R) 15,586 69.6%
Other 19 0.1%
TOTAL 22,388
Turnout: 65% Diff (St): 20 Diff (US): 20


1956 President, DeKalb County, IL
CandidateVotesPct
Dwight Eisenhower* (R) 15,078 75.7%
Adlai Stevenson (D) 4,826 24.2%
Other 25 0.1%
TOTAL 19,929
Turnout: 58% Diff (St): 16 Diff (US): 18


1952 President, DeKalb County, IL
CandidateVotesPct
Dwight Eisenhower (R) 14,807 74.2%
Adlai Stevenson (D) 5,110 25.6%
Other 30 0.2%
TOTAL 19,947
Turnout: 64% Diff (St): 19 Diff (US): 19


1948 President, DeKalb County, IL
CandidateVotesPct
Harry Truman* (D) 5,082 30.7%
Thomas Dewey (R) 11,380 68.7%
Other 105 0.6%
TOTAL 16,567
Turnout: 58% Diff (St): 19 Diff (US): 24


1944 President, DeKalb County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 6,004 33.0%
Thomas Dewey (R) 12,157 66.8%
Other 49 0.3%
TOTAL 18,210
Turnout: 68% Diff (St): 19 Diff (US): 21


1940 President, DeKalb County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 6,989 35.5%
Wendell Willkie (R) 12,577 63.9%
Other 102 0.5%
TOTAL 19,668
Turnout: 79% Diff (St): 15 Diff (US): 19


1936 President, DeKalb County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 7,899 43.2%
Alf Landon (R) 9,826 53.8%
William Lemke (Union) 490 2.7%
Norman Thomas (Soc) 20 0.1%
Other 40 0.2%
TOTAL 18,275
Turnout: 80% Diff (St): 14 Diff (US): 17


1932 President, DeKalb County, IL
CandidateVotesPct
Franklin Roosevelt (D) 6,923 41.7%
Herbert Hoover* (R) 9,356 56.4%
Norman Thomas (Soc) 273 1.6%
Other 42 0.3%
TOTAL 16,594
Turnout: 74% Diff (St): 14 Diff (US): 17


1928 President, DeKalb County, IL
CandidateVotesPct
Herbert Hoover (R) 11,501 74.2%
Al Smith (D) 3,940 25.4%
Norman Thomas (Soc) 45 0.3%
Other 17 0.1%
TOTAL 15,503
Turnout: 74% Diff (St): 17 Diff (US): 16


1924 President, DeKalb County, IL
CandidateVotesPct
Calvin Coolidge (R) 10,500 76.4%
John Davis (D) 1,540 11.2%
Robert LaFollette (Prog) 1,654 12.0%
Other 50 0.4%
TOTAL 13,744
Turnout: 66% Diff (St): 18 Diff (US): 22


1920 President, DeKalb County, IL
CandidateVotesPct
Warren Harding (R) 10,374 83.9%
James Cox (D) 1,700 13.8%
Eugene Debs (Soc) 163 1.3%
Parley Christiansen (FL) 43 0.3%
Aaron Watkins (Proh) 74 0.6%
Other 7 0.1%
TOTAL 12,361
Turnout: 61% Diff (St): 16 Diff (US): 24


1916 President, DeKalb County, IL
CandidateVotesPct
Woodrow Wilson* (D) 3,386 24.7%
Charles Evans Hughes (R) 9,764 71.3%
Allan Benson (Soc) 316 2.3%
James Hanly (Proh) 231 1.7%
TOTAL 13,697
Turnout: 67% Diff (St): 19 Diff (US): 25


1912 President, DeKalb County, IL
CandidateVotesPct
Woodrow Wilson (D) 1,568 21.4%
Theodore Roosevelt (Prog) 3,643 49.8%
William Taft* (R) 1,776 24.3%
Eugene Debs (Soc) 205 2.8%
Eugene Chafin (Proh) 109 1.5%
Other 13 0.2%
TOTAL 7,314
Turnout: 35% Diff (St): 2 Diff (US): 1


1908 President, DeKalb County, IL
CandidateVotesPct
William Taft (R) 5,866 72.5%
William J. Bryan (D) 1,732 21.4%
Eugene Debs (Soc) 97 1.2%
Eugene Chafin (Proh) 341 4.2%
Thomas Hisgen (I) 42 0.5%
Other 13 0.2%
TOTAL 8,091
Turnout: 40% Diff (St): 18 Diff (US): 21


1904 President, DeKalb County, IL
CandidateVotesPct
Theodore Roosevelt (R) 5,957 77.4%
Alton Parker (D) 1,137 14.8%
Eugene Debs (Soc) 191 2.5%
Silas Swallow (Proh) 355 4.6%
Thomas Watson (Pop) 24 0.3%
Other 29 0.4%
TOTAL 7,693
Turnout: 39% Diff (St): 19 Diff (US): 21


1900 President, DeKalb County, IL
CandidateVotesPct
William McKinley* (R) 5,923 73.0%
William J. Bryan (D) 1,881 23.2%
John Woolley (Proh) 266 3.3%
Eugene Debs (Soc) 14 0.2%
Other 26 0.3%
TOTAL 8,110
Turnout: 42% Diff (St): 20 Diff (US): 21
* incumbent

Historical Statewide Election Results for DeKalb County, IL

Click on the Year to view county-level data for that election.

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 44% Tammy Duckworth* (D) 17,688 51.3% Kathy Salvi (R) 16,063 46.6% 747 [+] 2.2% 34,498 5 0.84%
2022 G 44% J.B. Pritzker* (D) 17,047 49.5% Darren Bailey (R) 16,119 46.8% 1,266 [+] 3.7% 34,432 4 0.84%
2020 S2 60% Richard Durbin* (D) 23,423 49.3% Mark Curran (R) 21,198 44.6% 2,855 [+] 6.0% 47,476 6 0.80%
2018 G 46% J.B. Pritzker (D) 17,016 46.9% Bruce Rauner* (R) 16,181 44.6% 3,106 [+] 8.6% 36,303 6 0.80%
2016 S3 54% Tammy Duckworth (D) 20,025 46.8% Mark Kirk* (R) 19,355 45.2% 3,404 [+] 8.0% 42,784 5 0.78%
2014 S2 35% Jim Oberweis (R) 14,096 50.1% Richard Durbin* (D) 12,551 44.6% 1,467 [+] 5.2% 28,114 7 0.78%
2014 G 35% Bruce Rauner (R) 16,246 57.7% Pat Quinn* (D) 10,944 38.8% 986 [+] 3.5% 28,176 7 0.78%
2010 S3 35% Mark Kirk (R) 15,389 54.2% Alexi Giannoulias (D) 10,633 37.4% 2,393 [+] 8.4% 28,415 6 0.77%
2010 G 35% Bill Brady (R) 14,949 52.0% Pat Quinn* (D) 10,852 37.8% 2,934 [+] 10.2% 28,735 6 0.77%
2008 S2 55% Richard Durbin* (D) 27,467 63.0% Steve Sauerberg (R) 13,918 31.9% 2,217 [+] 5.1% 43,602 3 0.82%
2006 G 33% Judy Baar Topinka (R) 11,870 46.5% Rod Blagojevich* (D) 8,755 34.3% 4,883 [+] 19.1% 25,508 7 0.73%
2004 S3 54% Barack Obama (D) 26,077 65.7% Alan Keyes (R) 11,954 30.1% 1,663 [+] 4.2% 39,694 3 0.77%
2002 S2 34% Richard Durbin* (D) 13,040 53.6% Jim Durkin (R) 10,718 44.1% 571 [+] 2.3% 24,329 6 0.70%
2002 G 34% Jim Ryan (R) 13,100 53.6% Rod Blagojevich (D) 10,249 41.9% 1,106 [+] 4.5% 24,455 8 0.69%
1998 S3 32% Peter Fitzgerald (R) 12,562 59.1% Carol Moseley-Braun* (D) 8,065 37.9% 646 [+] 3.0% 21,273 9 0.63%
1998 G 32% George Ryan (R) 13,313 63.1% Glenn Poshard (D) 7,331 34.8% 452 [+] 2.1% 21,096 12 0.63%
1996 S2 43% Al Salvi (R) 13,884 49.5% Richard Durbin (D) 12,676 45.2% 1,485 [+] 5.3% 28,045 9 0.66%
1994 G 29% Jim Edgar* (R) 13,354 71.4% Dawn Clark Netsch (D) 4,942 26.4% 408 [+] 2.2% 18,704 8 0.60%
1992 S3 54% Carol Moseley-Braun (D) 16,133 48.0% Richard Williamson (R) 15,596 46.4% 1,873 [+] 5.6% 33,602 3 0.68%
1990 S2 34% Paul Simon* (D) 11,903 57.6% Lynn Martin (R) 8,763 42.4% 0 0.0% 20,666 7 0.64%
1990 G 34% Jim Edgar (R) 12,279 59.4% Neil Hartigan (D) 8,120 39.3% 268 [+] 1.3% 20,667 9 0.63%
1986 S3 33% Alan Dixon* (D) 11,226 56.7% Judy Koehler (R) 8,301 41.9% 277 [+] 1.4% 19,804 8 0.63%
1986 G 33% James Thompson* (R) 13,197 66.3% Adlai Stevenson III (Illinois Solidarity) 5,857 29.4% 837 [+] 4.2% 19,891 14 0.63%
1984 S2 53% Charles Percy* (R) 17,586 56.2% Paul Simon (D) 12,972 41.5% 732 [+] 2.3% 31,290 8 0.65%
1982 G 37% James Thompson* (R) 13,255 62.3% Adlai Stevenson III (D) 7,663 36.0% 360 [+] 1.7% 21,278 13 0.58%
1980 S3 53% David O'Neal (R) 14,909 49.4% Alan Dixon (D) 14,492 48.0% 805 [+] 2.7% 30,206 7 0.66%
1978 S2 33% Charles Percy* (R) 11,839 67.2% Alex Seith (D) 5,512 31.3% 254 [+] 1.4% 17,605 14 0.55%
1978 G 33% James Thompson* (R) 13,436 75.1% Michael Bakalis (D) 4,229 23.6% 233 [+] 1.3% 17,898 16 0.57%
1976 G 57% James Thompson (R) 24,420 80.1% Michael Howlitt (D) 5,776 19.0% 278 [+] 0.9% 30,474 15 0.66%
1974 S3 29% Adlai Stevenson III* (D) 7,927 51.9% George Burditt (R) 7,106 46.5% 242 [+] 1.6% 15,275 9 0.52%
1972 S2 60% Charles Percy* (R) 24,094 77.2% Roman Pucinski (D) 6,948 22.3% 166 [+] 0.5% 31,208 15 0.68%
1972 G 60% Daniel Walker (D) 16,452 52.5% Richard Ogilvie* (R) 14,792 47.2% 88 [+] 0.3% 31,332 -2 0.67%
1970 S3 34% Ralph Smith* (R) 9,100 54.7% Adlai Stevenson III (D) 7,445 44.8% 80 [+] 0.5% 16,625 13 0.46%
1968 S3 50% Everett Dirksen* (R) 15,436 69.0% William Clark (D) 6,724 30.0% 220 [+] 1.0% 22,380 16 0.50%
1968 G 50% Richard Ogilvie (R) 14,939 66.3% Samuel Shapiro* (D) 7,326 32.5% 277 [+] 1.2% 22,542 15 0.50%
1966 S2 42% Charles Percy (R) 12,726 71.3% Paul Douglas* (D) 5,053 28.3% 58 [+] 0.3% 17,837 16 0.47%
1964 G 55% Charles Percy (R) 13,753 62.9% Otto Kerner* (D) 8,113 37.1% 0 0.0% 21,866 15 0.47%
1962 S3 41% Everett Dirksen* (R) 10,915 72.2% Sidney Yates (D) 4,205 27.8% 0 0.0% 15,120 19 0.41%
1960 S2 64% Samuel Witwer (R) 13,991 63.7% Paul Douglas* (D) 7,961 36.2% 12 [+] 0.1% 21,964 19 0.47%
1960 G 64% William Stratton* (R) 13,108 59.4% Otto Kerner (D) 8,952 40.5% 18 [+] 0.1% 22,078 15 0.47%
*: incumbent               +: ran on additional party lines               Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election           RO: runoff election           PSV: percent of state vote


Historical U.S. House Election Results for DeKalb County, IL

Click on the District to view county-level data for that election (where available).

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 IL11Catalina Lauf (R) 2,246 61.0% Bill Foster* (D) 1,437 39.0% 0 0.0% 3,683
2022-11-08 IL14Lauren Underwood* (D) 15,904 54.5% Scott Gryder (R) 13,304 45.5% 0 0.0% 29,208
2022-11-08 IL16Darin LaHood* (R) 1,022 67.9% Elizabeth Haderlein (D) 484 32.1% 0 0.0% 1,506
County Total for 2022-11-08:   34,397
2020-11-03 IL14Jim Oberweis (R) 9,902 50.7% Lauren Underwood* (D) 9,615 49.3% 0 0.0% 19,517
2020-11-03 IL16Dani Brzozowski (D) 14,061 50.8% Adam Kinzinger* (R) 13,643 49.2% 2 0.0% 27,706
County Total for 2020-11-03:   47,223
2018-11-06 IL14Lauren Underwood (D) 7,699 51.6% Randy Hultgren* (R) 7,215 48.4% 0 0.0% 14,914
2018-11-06 IL16Sara Dady (D) 12,040 56.4% Adam Kinzinger* (R) 9,306 43.6% 0 0.0% 21,346
County Total for 2018-11-06:   36,260
2016-11-08 IL14Randy Hultgren* (R) 10,301 61.1% Jim Walz (D) 6,555 38.9% 0 0.0% 16,856
2016-11-08 IL16Adam Kinzinger* (R) 19,120 99.9% 27 0.1% 19,147
County Total for 2016-11-08:   36,003
2014-11-04 IL14Randy Hultgren* (R) 7,341 63.7% Dennis Anderson (D) 4,178 36.3% 0 0.0% 11,519
2014-11-04 IL16Adam Kinzinger* (R) 9,494 59.2% Randall Olson (D) 6,546 40.8% 0 0.0% 16,040
County Total for 2014-11-04:   27,559
2012-11-06 IL14Randy Hultgren* (R) 9,252 58.2% Dennis Anderson (D) 6,635 41.8% 0 0.0% 15,887
2012-11-06 IL16Wanda Rohl (D) 12,009 50.8% Adam Kinzinger* (R) 11,646 49.2% 0 0.0% 23,655
County Total for 2012-11-06:   39,542
2010-11-02 IL14Bill Foster* (D) 11,141 50.1% Randy Hultgren (R) 10,125 45.5% 965 4.3% 22,231
2010-11-02 IL16Donald Manzullo* (R) 4,442 69.3% George Gaulrapp (D) 1,585 24.7% 382 6.0% 6,409
County Total for 2010-11-02:   28,640
2008-11-04 IL14Bill Foster* (D) 21,671 62.7% Jim Oberweis (R) 12,887 37.3% 0 0.0% 34,558
2008-11-04 IL16Donald Manzullo* (R) 5,622 64.5% Robert Abboud (D) 2,697 30.9% 401 4.6% 8,720
County Total for 2008-11-04:   43,278
2008-03-08 sp IL14Bill Foster (D) 5,946 56.1% Jim Oberweis (R) 4,649 43.9% 0 0.0% 10,595
County Total for 2008-03-08:   10,595
2006-11-07 IL14Dennis Hastert* (R) 11,785 57.7% John Laesch (D) 8,650 42.3% 0 0.0% 20,435
2006-11-07 IL16Donald Manzullo* (R) 3,647 68.1% Richard Auman (D) 1,650 30.8% 60 1.1% 5,357
County Total for 2006-11-07:   25,792
2004-11-02 IL14Dennis Hastert* (R) 20,179 63.8% Ruben Zamora (D) 11,470 36.2% 0 0.0% 31,649
2004-11-02 IL16Donald Manzullo* (R) 5,511 69.9% John Kutsch (D) 2,374 30.1% 0 0.0% 7,885
County Total for 2004-11-02:   39,534
2002-11-05 IL14Dennis Hastert* (R) 13,742 71.5% Laurence Quick (D) 5,489 28.5% 0 0.0% 19,231
2002-11-05 IL16Donald Manzullo* (R) 3,538 71.5% John Kutsch (D) 1,412 28.5% 0 0.0% 4,950
County Total for 2002-11-05:   24,181
2000-11-07 IL14Dennis Hastert* (R) 23,587 73.3% Vern Deljonson (D) 8,605 26.7% 0 0.0% 32,192
County Total for 2000-11-07:   32,192
1998-11-03 IL14Dennis Hastert* (R) 14,768 69.7% Robert Cozzi (D) 6,406 30.3% 0 0.0% 21,174
County Total for 1998-11-03:   21,174
1996-11-05 IL14Dennis Hastert* (R) 17,118 61.7% Doug Mains (D) 10,632 38.3% 0 0.0% 27,750
County Total for 1996-11-05:   27,750
1994-11-08 IL14Dennis Hastert* (R) 14,162 77.5% Steve Denari (D) 4,120 22.5% 0 0.0% 18,282
County Total for 1994-11-08:   18,282
1992-11-03 IL14Dennis Hastert* (R) 20,886 64.6% Jonathan Reich (D) 11,456 35.4% 0 0.0% 32,342
County Total for 1992-11-03:   32,342
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for DeKalb County, IL

Party registration is not used in this state, however as of 2022 registrations in DeKalb County, IL were estimated to be 28% Republican and 30% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2022 61,517 0 0.0% 0 0.0% 61,517 100.0% n/a n/a 78%
2020 65,009 0 0.0% 0 0.0% 65,009 100.0% n/a n/a 83%
2018 59,296 0 0.0% 0 0.0% 59,296 100.0% n/a n/a 75%
2016 60,746 0 0.0% 0 0.0% 60,746 100.0% n/a n/a 76%
2012 57,915 0 0.0% 0 0.0% 57,915 100.0% n/a n/a 71%
2010 57,102 0 0.0% 0 0.0% 57,102 100.0% n/a n/a 70%
2008 60,718 0 0.0% 0 0.0% 60,718 100.0% n/a n/a 77%
2006 54,766 0 0.0% 0 0.0% 54,766 100.0% n/a n/a 72%
2004 55,380 0 0.0% 0 0.0% 55,380 100.0% n/a n/a 75%
2000 49,267 0 0.0% 0 0.0% 49,267 100.0% n/a n/a 72%
1994 34,958 0 0.0% 0 0.0% 34,958 100.0% n/a n/a 55%
1986 36,695 0 0.0% 0 0.0% 36,695 100.0% n/a n/a 62%
VAPOP% is the estimated percentage of voting age population that is registered.
Registration data may include "inactive" voters.   Data for each year pertains to the November elections.