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Rock Island County, IL


Metropolitan Statistical Area: Davenport-Moline-Rock Island, IA-IL
Designated Market Area: Davenport-Rock Island-Moline, IA-IL
American Communities Project County Type (2023): Middle Suburbs

Places in Rock Island County, IL     [Sort places by name]

 

Tracts in Rock Island County, IL

   



Click here to view demographic data for Rock Island County, IL

2022 population: 141,527   ( 6,019 from 2010 , 3,151 from 2020)
Land area: 427.5 square miles
Population density: 331.1 persons per square mile

2022 Census data
White:97,606 68.97% 12.7%
Black:16,13411.40% 25.0%
Indian:2870.20% 1.4%
Asian:3,8262.70% 57.6%
2+ races:3,9422.79% 35.6%
Hispanic:19,73213.94% 15.3%
Total non-White:43,92131.03% 22.7%

2020-2022 ComponentsNumberRate
Births:3,515 12.1
Deaths:4,21714.6
Net Migration: -2,954-10.2
Net Immigration: 4751.6
Change in White population:-14,158 -9.6
Change in Non-White pop.:8,139 5.5



Historical Presidential Election Results for Rock Island County, IL

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +1,605 D +2,788 D + 3.4%
D +4,393
2020 vs. 2012 R +3,669 R +6,135 R + 9.8%
D -2,466
2020 vs. 2008 R +3,239 R +8,758 R + 12.5%
D -5,519
2016 vs. 2008 R +1,634 R +11,546 R + 16.0%
D -9,912
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) 36,691 54.8% Donald Trump* (R) 28,603 42.7% 1,653 [+] 2.5% 66,947 2 -4 1.11%
2016 57% Hillary Clinton (D) 32,298 50.5% Donald Trump (R) 26,998 42.2% 4,698 [+] 7.3% 63,994 4 -4 1.14%
2012 57% Barack Obama* (D) 39,157 60.0% Mitt Romney (R) 24,934 38.2% 1,126 [+] 1.7% 65,217 -2 -9 1.24%
2008 60% Barack Obama (D) 42,210 61.5% John McCain (R) 25,364 37.0% 1,034 [+] 1.5% 68,608 0 -9 1.24%
2004 61% John Kerry (D) 39,880 57.0% George W. Bush* (R) 29,663 42.4% 429 [+] 0.6% 69,972 -2 -8 1.33%
2000 57% Albert Gore, Jr. (D) 37,957 58.3% George W. Bush (R) 25,194 38.7% 1,944 [+] 3.0% 65,095 -4 -9 1.37%
1996 54% Bill Clinton* (D) 34,822 57.1% Robert Dole (R) 20,626 33.8% 5,507 [+] 9.0% 60,955 -3 -7 1.41%
1992 65% Bill Clinton (D) 37,412 51.9% George Bush* (R) 23,212 32.2% 11,415 [+] 15.8% 72,039 -2 -5 1.43%
1988 60% Michael Dukakis (D) 40,174 59.2% George Bush (R) 27,412 40.4% 315 [+] 0.5% 67,901 -10 -13 1.49%
1984 65% Walter Mondale (D) 40,208 53.1% Ronald Reagan* (R) 35,121 46.4% 343 0.5% 75,672 -10 -12 1.57%
1980 60% Ronald Reagan (R) 34,788 48.5% Jimmy Carter* (D) 30,045 41.9% 6,942 [+] 9.7% 71,775 -1 -2 1.51%
1976 64% Jimmy Carter (D) 35,994 50.5% Gerald Ford* (R) 34,007 47.7% 1,260 [+] 1.8% 71,261 -2 0 1.51%
1972 63% Richard Nixon* (R) 37,548 53.4% George McGovern (D) 32,529 46.3% 253 [+] 0.4% 70,330 -6 -7 1.49%
1968 69% Hubert Humphrey (D) 34,506 49.2% Richard Nixon (R) 30,404 43.3% 5,230 [+] 7.5% 70,140 -4 0 1.52%
1964 67% Lyndon Johnson* (D) 41,759 63.8% Barry Goldwater (R) 23,714 36.2% 0 0.0% 65,473 -4 -2 1.39%
1960 71% John Kennedy (D) 33,812 50.9% Richard Nixon (R) 32,534 49.0% 108 0.2% 66,454 -1 -1 1.40%
1956 63% Dwight Eisenhower* (R) 31,342 51.7% Adlai Stevenson (D) 29,145 48.1% 118 0.2% 60,605 -8 -6 1.38%
1952 66% Dwight Eisenhower (R) 32,933 54.1% Adlai Stevenson (D) 27,879 45.8% 100 0.2% 60,912 -1 -1 1.36%
1948 54% Harry Truman* (D) 24,542 52.0% Thomas Dewey (R) 22,192 47.0% 477 [+] 1.0% 47,211 -2 2 1.19%
1944 66% Franklin Roosevelt* (D) 30,102 55.5% Thomas Dewey (R) 23,980 44.2% 180 0.3% 54,262 -4 -2 1.34%
1940 80% Franklin Roosevelt* (D) 35,240 57.7% Wendell Willkie (R) 25,629 41.9% 232 0.4% 61,101 -7 -3 1.45%
1936 78% Franklin Roosevelt* (D) 32,741 61.7% Alf Landon (R) 19,487 36.7% 799 [+] 1.5% 53,027 -3 0 1.34%
1932 73% Franklin Roosevelt (D) 24,676 53.0% Herbert Hoover* (R) 21,205 45.6% 668 [+] 1.4% 46,549 4 6 1.37%
1928 71% Herbert Hoover (R) 27,246 65.2% Al Smith (D) 14,334 34.3% 196 [+] 0.5% 41,776 8 7 1.34%
1924 63% Calvin Coolidge (R) 20,563 57.7% Robert LaFollette (Prog) 11,320 31.8% 3,764 [+] 10.6% 35,647 -1 4 1.44%
1920 55% Warren Harding (R) 21,908 71.3% James Cox (D) 5,208 17.0% 3,603 [+] 11.7% 30,719 4 11 1.47%
1916 61% Charles Evans Hughes (R) 16,169 53.2% Woodrow Wilson* (D) 10,914 35.9% 3,327 [+] 10.9% 30,410 1 7 1.39%
1912 35% Theodore Roosevelt (Prog) 6,506 42.6% Woodrow Wilson (D) 3,997 26.1% 4,786 [+] 31.3% 15,289 -6 -8 1.33%
1908 39% William Taft (R) 8,196 55.4% William J. Bryan (D) 4,739 32.1% 1,846 [+] 12.5% 14,781 1 4 1.28%
1904 38% Theodore Roosevelt (R) 8,152 61.7% Eugene Debs (Soc) 2,422 18.3% 2,629 [+] 19.9% 13,203 3 5 1.23%
1900 44% William McKinley* (R) 8,299 61.2% William J. Bryan (D) 4,786 35.3% 471 [+] 3.5% 13,556 8 10 1.20%
* incumbent         PSV: percent of state vote



2020 President, Rock Island County, IL
CandidateVotesPct
Joe Biden (D) 36,691 54.8%
Donald Trump* (R) 28,603 42.7%
Jo Jorgensen (Lbt) 959 1.4%
Other 694 1.0%
TOTAL 66,947
Turnout: 61% Diff (St): 2 Diff (US): -4


2016 President, Rock Island County, IL
CandidateVotesPct
Hillary Clinton (D) 32,298 50.5%
Donald Trump (R) 26,998 42.2%
Gary Johnson (Lbt) 3,015 4.7%
Jill Stein (Grn) 733 1.1%
Other 950 1.5%
TOTAL 63,994
Turnout: 57% Diff (St): 4 Diff (US): -4


2012 President, Rock Island County, IL
CandidateVotesPct
Barack Obama* (D) 39,157 60.0%
Mitt Romney (R) 24,934 38.2%
Gary Johnson (Lbt) 651 1.0%
Other 475 0.7%
TOTAL 65,217
Turnout: 57% Diff (St): -2 Diff (US): -9


2008 President, Rock Island County, IL
CandidateVotesPct
Barack Obama (D) 42,210 61.5%
John McCain (R) 25,364 37.0%
Ralph Nader (I) 395 0.6%
Bob Barr (Lbt) 223 0.3%
Other 416 0.6%
TOTAL 68,608
Turnout: 60% Diff (St): 0 Diff (US): -9


2004 President, Rock Island County, IL
CandidateVotesPct
George W. Bush* (R) 29,663 42.4%
John Kerry (D) 39,880 57.0%
Other 429 0.6%
TOTAL 69,972
Turnout: 61% Diff (St): -2 Diff (US): -8


2000 President, Rock Island County, IL
CandidateVotesPct
George W. Bush (R) 25,194 38.7%
Albert Gore, Jr. (D) 37,957 58.3%
Ralph Nader (Grn) 1,364 2.1%
Pat Buchanan (Ref) 394 0.6%
Other 186 0.3%
TOTAL 65,095
Turnout: 57% Diff (St): -4 Diff (US): -9


1996 President, Rock Island County, IL
CandidateVotesPct
Bill Clinton* (D) 34,822 57.1%
Robert Dole (R) 20,626 33.8%
Ross Perot (Ref) 5,135 8.4%
Harry Browne (Lbt) 237 0.4%
Other 135 0.2%
TOTAL 60,955
Turnout: 54% Diff (St): -3 Diff (US): -7


1992 President, Rock Island County, IL
CandidateVotesPct
Bill Clinton (D) 37,412 51.9%
George Bush* (R) 23,212 32.2%
Ross Perot (I) 10,416 14.5%
Other 999 1.4%
TOTAL 72,039
Turnout: 65% Diff (St): -2 Diff (US): -5


1988 President, Rock Island County, IL
CandidateVotesPct
George Bush (R) 27,412 40.4%
Michael Dukakis (D) 40,174 59.2%
Ron Paul (Lbt) 155 0.2%
Other 160 0.2%
TOTAL 67,901
Turnout: 60% Diff (St): -10 Diff (US): -13


1984 President, Rock Island County, IL
CandidateVotesPct
Ronald Reagan* (R) 35,121 46.4%
Walter Mondale (D) 40,208 53.1%
Other 343 0.5%
TOTAL 75,672
Turnout: 65% Diff (St): -10 Diff (US): -12


1980 President, Rock Island County, IL
CandidateVotesPct
Ronald Reagan (R) 34,788 48.5%
Jimmy Carter* (D) 30,045 41.9%
John Anderson (I) 5,818 8.1%
Edward Clark (Lbt) 618 0.9%
Other 506 0.7%
TOTAL 71,775
Turnout: 60% Diff (St): -1 Diff (US): -2


1976 President, Rock Island County, IL
CandidateVotesPct
Jimmy Carter (D) 35,994 50.5%
Gerald Ford* (R) 34,007 47.7%
Eugene McCarthy (I) 751 1.1%
Other 509 0.7%
TOTAL 71,261
Turnout: 64% Diff (St): -2 Diff (US): 0


1972 President, Rock Island County, IL
CandidateVotesPct
Richard Nixon* (R) 37,548 53.4%
George McGovern (D) 32,529 46.3%
Other 253 0.4%
TOTAL 70,330
Turnout: 63% Diff (St): -6 Diff (US): -7


1968 President, Rock Island County, IL
CandidateVotesPct
Richard Nixon (R) 30,404 43.3%
Hubert Humphrey (D) 34,506 49.2%
George Wallace (AIP) 5,054 7.2%
Other 176 0.3%
TOTAL 70,140
Turnout: 69% Diff (St): -4 Diff (US): 0


1964 President, Rock Island County, IL
CandidateVotesPct
Lyndon Johnson* (D) 41,759 63.8%
Barry Goldwater (R) 23,714 36.2%
TOTAL 65,473
Turnout: 67% Diff (St): -4 Diff (US): -2


1960 President, Rock Island County, IL
CandidateVotesPct
John Kennedy (D) 33,812 50.9%
Richard Nixon (R) 32,534 49.0%
Other 108 0.2%
TOTAL 66,454
Turnout: 71% Diff (St): -1 Diff (US): -1


1956 President, Rock Island County, IL
CandidateVotesPct
Dwight Eisenhower* (R) 31,342 51.7%
Adlai Stevenson (D) 29,145 48.1%
Other 118 0.2%
TOTAL 60,605
Turnout: 63% Diff (St): -8 Diff (US): -6


1952 President, Rock Island County, IL
CandidateVotesPct
Dwight Eisenhower (R) 32,933 54.1%
Adlai Stevenson (D) 27,879 45.8%
Other 100 0.2%
TOTAL 60,912
Turnout: 66% Diff (St): -1 Diff (US): -1


1948 President, Rock Island County, IL
CandidateVotesPct
Harry Truman* (D) 24,542 52.0%
Thomas Dewey (R) 22,192 47.0%
Other 477 1.0%
TOTAL 47,211
Turnout: 54% Diff (St): -2 Diff (US): 2


1944 President, Rock Island County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 30,102 55.5%
Thomas Dewey (R) 23,980 44.2%
Other 180 0.3%
TOTAL 54,262
Turnout: 66% Diff (St): -4 Diff (US): -2


1940 President, Rock Island County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 35,240 57.7%
Wendell Willkie (R) 25,629 41.9%
Other 232 0.4%
TOTAL 61,101
Turnout: 80% Diff (St): -7 Diff (US): -3


1936 President, Rock Island County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 32,741 61.7%
Alf Landon (R) 19,487 36.7%
William Lemke (Union) 680 1.3%
Norman Thomas (Soc) 70 0.1%
Other 49 0.1%
TOTAL 53,027
Turnout: 78% Diff (St): -3 Diff (US): 0


1932 President, Rock Island County, IL
CandidateVotesPct
Franklin Roosevelt (D) 24,676 53.0%
Herbert Hoover* (R) 21,205 45.6%
Norman Thomas (Soc) 456 1.0%
Other 212 0.5%
TOTAL 46,549
Turnout: 73% Diff (St): 4 Diff (US): 6


1928 President, Rock Island County, IL
CandidateVotesPct
Herbert Hoover (R) 27,246 65.2%
Al Smith (D) 14,334 34.3%
Norman Thomas (Soc) 132 0.3%
Other 64 0.2%
TOTAL 41,776
Turnout: 71% Diff (St): 8 Diff (US): 7


1924 President, Rock Island County, IL
CandidateVotesPct
Calvin Coolidge (R) 20,563 57.7%
John Davis (D) 3,631 10.2%
Robert LaFollette (Prog) 11,320 31.8%
Other 133 0.4%
TOTAL 35,647
Turnout: 63% Diff (St): -1 Diff (US): 4


1920 President, Rock Island County, IL
CandidateVotesPct
Warren Harding (R) 21,908 71.3%
James Cox (D) 5,208 17.0%
Eugene Debs (Soc) 2,221 7.2%
Parley Christiansen (FL) 1,123 3.7%
Aaron Watkins (Proh) 190 0.6%
Other 69 0.2%
TOTAL 30,719
Turnout: 55% Diff (St): 4 Diff (US): 11


1916 President, Rock Island County, IL
CandidateVotesPct
Woodrow Wilson* (D) 10,914 35.9%
Charles Evans Hughes (R) 16,169 53.2%
Allan Benson (Soc) 2,855 9.4%
James Hanly (Proh) 384 1.3%
Other 88 0.3%
TOTAL 30,410
Turnout: 61% Diff (St): 1 Diff (US): 7


1912 President, Rock Island County, IL
CandidateVotesPct
Woodrow Wilson (D) 3,997 26.1%
Theodore Roosevelt (Prog) 6,506 42.6%
William Taft* (R) 2,394 15.7%
Eugene Debs (Soc) 2,128 13.9%
Eugene Chafin (Proh) 135 0.9%
Other 129 0.8%
TOTAL 15,289
Turnout: 35% Diff (St): -6 Diff (US): -8


1908 President, Rock Island County, IL
CandidateVotesPct
William Taft (R) 8,196 55.4%
William J. Bryan (D) 4,739 32.1%
Eugene Debs (Soc) 1,072 7.3%
Eugene Chafin (Proh) 344 2.3%
Thomas Hisgen (I) 339 2.3%
Other 91 0.6%
TOTAL 14,781
Turnout: 39% Diff (St): 1 Diff (US): 4


1904 President, Rock Island County, IL
CandidateVotesPct
Theodore Roosevelt (R) 8,152 61.7%
Alton Parker (D) 2,156 16.3%
Eugene Debs (Soc) 2,422 18.3%
Silas Swallow (Proh) 265 2.0%
Thomas Watson (Pop) 59 0.4%
Other 149 1.1%
TOTAL 13,203
Turnout: 38% Diff (St): 3 Diff (US): 5


1900 President, Rock Island County, IL
CandidateVotesPct
William McKinley* (R) 8,299 61.2%
William J. Bryan (D) 4,786 35.3%
John Woolley (Proh) 186 1.4%
Eugene Debs (Soc) 228 1.7%
Other 57 0.4%
TOTAL 13,556
Turnout: 44% Diff (St): 8 Diff (US): 10
* incumbent

Historical Statewide Election Results for Rock Island 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) 26,469 55.2% Kathy Salvi (R) 20,548 42.8% 955 [+] 2.0% 47,972 1 1.17%
2022 G 44% J.B. Pritzker* (D) 25,663 53.2% Darren Bailey (R) 21,130 43.8% 1,410 [+] 2.9% 48,203 1 1.17%
2020 S2 60% Richard Durbin* (D) 36,493 55.2% Mark Curran (R) 27,705 41.9% 1,965 [+] 3.0% 66,163 3 1.11%
2018 G 45% J.B. Pritzker (D) 25,774 50.8% Bruce Rauner* (R) 21,434 42.3% 3,491 [+] 6.9% 50,699 3 1.11%
2016 S3 56% Tammy Duckworth (D) 32,952 52.4% Mark Kirk* (R) 26,767 42.6% 3,184 [+] 5.1% 62,903 3 1.15%
2014 S2 40% Richard Durbin* (D) 24,143 53.6% Jim Oberweis (R) 19,406 43.1% 1,461 [+] 3.2% 45,010 0 1.25%
2014 G 40% Bruce Rauner (R) 22,680 50.5% Pat Quinn* (D) 20,495 45.6% 1,765 [+] 3.9% 44,940 0 1.24%
2010 S3 40% Mark Kirk (R) 23,249 50.3% Alexi Giannoulias (D) 20,445 44.3% 2,509 [+] 5.4% 46,203 2 1.25%
2010 G 41% Bill Brady (R) 22,904 49.4% Pat Quinn* (D) 20,514 44.2% 2,945 [+] 6.4% 46,363 3 1.24%
2008 S2 58% Richard Durbin* (D) 44,418 66.5% Steve Sauerberg (R) 20,172 30.2% 2,240 [+] 3.4% 66,830 2 1.25%
2006 G 40% Rod Blagojevich* (D) 26,201 56.7% Judy Baar Topinka (R) 17,168 37.1% 2,860 [+] 6.2% 46,229 -2 1.33%
2004 S3 61% Barack Obama (D) 49,096 71.1% Alan Keyes (R) 18,620 27.0% 1,356 [+] 2.0% 69,072 0 1.34%
2002 S2 38% Richard Durbin* (D) 26,998 63.1% Jim Durkin (R) 15,096 35.3% 663 [+] 1.6% 42,757 -3 1.23%
2002 G 37% Rod Blagojevich (D) 23,193 54.3% Jim Ryan (R) 18,382 43.1% 1,104 [+] 2.6% 42,679 -2 1.21%
1998 S3 42% Peter Fitzgerald (R) 25,998 55.1% Carol Moseley-Braun* (D) 19,615 41.6% 1,590 [+] 3.4% 47,203 5 1.39%
1998 G 42% George Ryan (R) 24,733 52.1% Glenn Poshard (D) 22,051 46.5% 651 [+] 1.4% 47,435 1 1.41%
1996 S2 53% Richard Durbin (D) 34,604 57.7% Al Salvi (R) 23,431 39.0% 1,969 [+] 3.3% 60,004 -2 1.41%
1994 G 37% Jim Edgar* (R) 26,901 64.4% Dawn Clark Netsch (D) 14,238 34.1% 651 [+] 1.6% 41,790 0 1.35%
1992 S3 63% Carol Moseley-Braun (D) 37,465 53.1% Richard Williamson (R) 30,072 42.7% 2,967 [+] 4.2% 70,504 0 1.43%
1990 S2 40% Paul Simon* (D) 30,579 68.9% Lynn Martin (R) 13,824 31.1% 0 0.0% 44,403 -4 1.37%
1990 G 40% Neil Hartigan (D) 23,572 53.0% Jim Edgar (R) 20,413 45.9% 476 [+] 1.1% 44,461 -5 1.36%
1986 S3 39% Alan Dixon* (D) 30,220 68.1% Judy Koehler (R) 13,687 30.8% 471 [+] 1.1% 44,378 -3 1.42%
1986 G 39% Adlai Stevenson III (Illinois Solidarity) 21,506 48.3% James Thompson* (R) 18,023 40.5% 4,969 [+] 11.2% 44,498 -12 1.42%
1984 S2 65% Paul Simon (D) 41,470 55.4% Charles Percy* (R) 32,524 43.4% 865 [+] 1.2% 74,859 -5 1.56%
1982 G 47% Adlai Stevenson III (D) 30,217 54.4% James Thompson* (R) 24,212 43.6% 1,166 [+] 2.1% 55,595 -6 1.51%
1980 S3 56% Alan Dixon (D) 38,372 57.2% David O'Neal (R) 27,915 41.6% 820 [+] 1.2% 67,107 -1 1.47%
1978 S2 37% Charles Percy* (R) 22,641 54.6% Alex Seith (D) 18,370 44.3% 483 [+] 1.2% 41,494 1 1.30%
1978 G 37% James Thompson* (R) 23,618 56.9% Michael Bakalis (D) 17,439 42.0% 449 [+] 1.1% 41,506 -2 1.32%
1976 G 62% James Thompson (R) 45,970 66.3% Michael Howlitt (D) 22,846 32.9% 540 [+] 0.8% 69,356 2 1.50%
1974 S3 39% Adlai Stevenson III* (D) 28,282 65.2% George Burditt (R) 14,903 34.4% 170 [+] 0.4% 43,355 -3 1.49%
1972 S2 62% Charles Percy* (R) 42,225 61.3% Roman Pucinski (D) 26,393 38.3% 235 [+] 0.3% 68,853 -1 1.49%
1972 G 63% Daniel Walker (D) 42,470 60.7% Richard Ogilvie* (R) 27,350 39.1% 131 [+] 0.2% 69,951 -10 1.50%
1970 S3 47% Adlai Stevenson III (D) 29,777 60.6% Ralph Smith* (R) 19,191 39.1% 169 [+] 0.3% 49,137 -3 1.37%
1968 S3 67% Everett Dirksen* (R) 37,044 55.0% William Clark (D) 29,945 44.5% 330 [+] 0.5% 67,319 2 1.51%
1968 G 68% Richard Ogilvie (R) 34,160 50.0% Samuel Shapiro* (D) 33,893 49.6% 316 [+] 0.5% 68,369 -1 1.52%
1966 S2 50% Charles Percy (R) 25,550 51.3% Paul Douglas* (D) 24,258 48.7% 0 0.0% 49,808 -4 1.30%
1964 G 66% Otto Kerner* (D) 37,695 58.4% Charles Percy (R) 26,841 41.6% 0 0.0% 64,536 -6 1.39%
1962 S3 47% Everett Dirksen* (R) 23,849 53.8% Sidney Yates (D) 20,451 46.2% 0 0.0% 44,300 1 1.19%
1960 S2 70% Paul Douglas* (D) 36,647 56.5% Samuel Witwer (R) 28,154 43.4% 69 [+] 0.1% 64,870 -2 1.40%
1960 G 70% Otto Kerner (D) 39,061 59.7% William Stratton* (R) 26,267 40.1% 113 [+] 0.2% 65,441 -4 1.40%
*: 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 Rock Island County, IL

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 IL17Eric Sorenson (D) 26,518 55.3% Esther King (R) 21,408 44.7% 0 0.0% 47,926
County Total for 2022-11-08:   47,926
2020-11-03 IL17Cheri Bustos* (D) 37,651 56.7% Esther King (R) 28,694 43.2% 6 0.0% 66,351
County Total for 2020-11-03:   66,351
2018-11-06 IL17Cheri Bustos* (D) 32,765 64.6% Bill Fawell (R) 17,992 35.4% 0 0.0% 50,757
County Total for 2018-11-06:   50,757
2016-11-08 IL17Cheri Bustos* (D) 39,209 62.0% Patrick Harlan (R) 24,053 38.0% 0 0.0% 63,262
County Total for 2016-11-08:   63,262
2014-11-04 IL17Cheri Bustos* (D) 24,385 54.2% Bobby Schilling (R) 20,641 45.8% 1 0.0% 45,027
County Total for 2014-11-04:   45,027
2012-11-06 IL17Cheri Bustos (D) 35,418 55.2% Bobby Schilling* (R) 28,789 44.8% 0 0.0% 64,207
County Total for 2012-11-06:   64,207
2010-11-02 IL17Bobby Schilling (R) 23,054 49.4% Phil Hare* (D) 22,060 47.3% 1,541 3.3% 46,655
County Total for 2010-11-02:   46,655
2008-11-04 IL17Phil Hare* (D) 53,051 99.4% 347 0.6% 53,398
County Total for 2008-11-04:   53,398
2006-11-07 IL17Phil Hare (D) 29,249 62.8% Andrea Zinga (R) 17,353 37.2% 0 0.0% 46,602
County Total for 2006-11-07:   46,602
2004-11-02 IL17Lane Evans* (D) 44,334 63.7% Andrea Zinga (R) 25,211 36.3% 0 0.0% 69,545
County Total for 2004-11-02:   69,545
2002-11-05 IL17Lane Evans* (D) 27,564 64.0% Peter Calderone (R) 15,491 36.0% 0 0.0% 43,055
County Total for 2002-11-05:   43,055
2000-11-07 IL17Lane Evans* (D) 36,604 62.1% Mark Baker (R) 22,310 37.9% 0 0.0% 58,914
County Total for 2000-11-07:   58,914
1998-11-03 IL17Lane Evans* (D) 28,862 60.3% Mark Baker (R) 19,001 39.7% 0 0.0% 47,863
County Total for 1998-11-03:   47,863
1996-11-05 IL17Lane Evans* (D) 34,880 58.2% Mark Baker (R) 24,644 41.1% 447 0.7% 59,971
County Total for 1996-11-05:   59,971
1994-11-08 IL17Lane Evans* (D) 23,910 57.2% Jim Anderson (R) 17,863 42.8% 0 0.0% 41,773
County Total for 1994-11-08:   41,773
1992-11-03 IL17Lane Evans* (D) 44,094 62.8% Ken Schloemer (R) 26,123 37.2% 0 0.0% 70,217
County Total for 1992-11-03:   70,217
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Rock Island County, IL

Party registration is not used in this state, however as of 2022 registrations in Rock Island County, IL were estimated to be 19% Republican and 37% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2022 84,051 0 0.0% 0 0.0% 84,051 100.0% n/a n/a 76%
2020 90,615 0 0.0% 0 0.0% 90,615 100.0% n/a n/a 82%
2018 88,577 0 0.0% 0 0.0% 88,577 100.0% n/a n/a 80%
2016 99,058 0 0.0% 0 0.0% 99,058 100.0% n/a n/a 89%
2012 91,636 0 0.0% 0 0.0% 91,636 100.0% n/a n/a 81%
2010 125,875 0 0.0% 0 0.0% 125,875 100.0% n/a n/a 110%
2008 114,645 0 0.0% 0 0.0% 114,645 100.0% n/a n/a 100%
2006 117,626 0 0.0% 0 0.0% 117,626 100.0% n/a n/a 103%
2004 104,030 0 0.0% 0 0.0% 104,030 100.0% n/a n/a 91%
2000 103,667 0 0.0% 0 0.0% 103,667 100.0% n/a n/a 91%
1994 85,257 0 0.0% 0 0.0% 85,257 100.0% n/a n/a 76%
1986 96,879 0 0.0% 0 0.0% 96,879 100.0% n/a n/a 85%
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.