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Mercer 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): Rural Middle America

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

 

Tracts in Mercer County, IL

   



Click here to view demographic data for Mercer County, IL

2022 population: 15,504   ( 930 from 2010 , 190 from 2020)
Land area: 561.2 square miles
Population density: 27.6 persons per square mile

2022 Census data
White:14,594 94.13% 8.3%
Black:1170.75% 154.3%
Indian:240.15% 60.0%
Asian:860.55% 65.4%
2+ races:1881.21% 95.8%
Hispanic:4953.19% 61.2%
Total non-White:9105.87% 74.3%

2020-2022 ComponentsNumberRate
Births:279 8.9
Deaths:48615.5
Net Migration: 170.5
Net Immigration: 20.1
Change in White population:-1,318 -8.0
Change in Non-White pop.:388 2.4



Historical Presidential Election Results for Mercer County, IL



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

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St)
Diff
(US)
PSV
2020 73% Donald Trump* (R) 5,418 60.8% Joe Biden (D) 3,280 36.8% 216 [+] 2.4% 8,914 20 14 0.15%
2016 68% Donald Trump (R) 4,807 56.4% Hillary Clinton (D) 3,071 36.0% 647 [+] 7.6% 8,525 18 10 0.15%
2012 68% Barack Obama* (D) 4,507 52.6% Mitt Romney (R) 3,876 45.2% 185 [+] 2.2% 8,568 5 -2 0.16%
2008 70% Barack Obama (D) 4,887 55.1% John McCain (R) 3,833 43.2% 150 [+] 1.7% 8,870 6 -2 0.16%
2004 70% John Kerry (D) 4,512 50.3% George W. Bush* (R) 4,405 49.1% 57 [+] 0.6% 8,974 5 -2 0.17%
2000 65% Albert Gore, Jr. (D) 4,400 52.9% George W. Bush (R) 3,688 44.3% 230 [+] 2.8% 8,318 2 -4 0.18%
1996 62% Bill Clinton* (D) 4,278 54.2% Robert Dole (R) 2,688 34.0% 931 [+] 11.8% 7,897 -3 -7 0.18%
1992 67% Bill Clinton (D) 3,990 46.7% George Bush* (R) 2,983 34.9% 1,567 [+] 18.3% 8,540 1 -2 0.17%
1988 62% Michael Dukakis (D) 4,204 53.0% George Bush (R) 3,683 46.4% 42 [+] 0.5% 7,929 -4 -7 0.17%
1984 68% Ronald Reagan* (R) 4,907 55.0% Walter Mondale (D) 3,982 44.6% 38 0.4% 8,927 -1 -4 0.19%
1980 69% Ronald Reagan (R) 5,144 56.2% Jimmy Carter* (D) 3,361 36.7% 651 [+] 7.1% 9,156 7 5 0.19%
1976 74% Gerald Ford* (R) 4,816 53.6% Jimmy Carter (D) 4,090 45.5% 76 [+] 0.8% 8,982 4 6 0.19%
1972 78% Richard Nixon* (R) 5,452 61.0% George McGovern (D) 3,477 38.9% 11 [+] 0.1% 8,940 2 0 0.19%
1968 83% Richard Nixon (R) 4,844 56.3% Hubert Humphrey (D) 3,143 36.5% 613 [+] 7.1% 8,600 9 13 0.19%
1964 83% Lyndon Johnson* (D) 4,410 51.1% Barry Goldwater (R) 4,220 48.9% 0 0.0% 8,630 8 10 0.18%
1960 88% Richard Nixon (R) 5,582 61.6% John Kennedy (D) 3,476 38.4% 3 0.0% 9,061 12 12 0.19%
1956 77% Dwight Eisenhower* (R) 5,732 65.8% Adlai Stevenson (D) 2,969 34.1% 7 0.1% 8,708 6 8 0.20%
1952 80% Dwight Eisenhower (R) 6,416 70.5% Adlai Stevenson (D) 2,679 29.4% 2 0.0% 9,097 16 15 0.20%
1948 74% Thomas Dewey (R) 5,267 62.6% Harry Truman* (D) 3,117 37.0% 36 [+] 0.4% 8,420 13 17 0.21%
1944 78% Thomas Dewey (R) 5,667 63.1% Franklin Roosevelt* (D) 3,277 36.5% 34 0.4% 8,978 15 17 0.22%
1940 88% Wendell Willkie (R) 6,336 62.1% Franklin Roosevelt* (D) 3,830 37.5% 38 0.4% 10,204 14 17 0.24%
1936 93% Alf Landon (R) 5,028 50.9% Franklin Roosevelt* (D) 4,751 48.1% 105 [+] 1.1% 9,884 11 14 0.25%
1932 86% Herbert Hoover* (R) 4,436 50.2% Franklin Roosevelt (D) 4,309 48.8% 90 [+] 1.0% 8,835 8 11 0.26%
1928 81% Herbert Hoover (R) 5,699 70.6% Al Smith (D) 2,316 28.7% 58 [+] 0.7% 8,073 14 12 0.26%
1924 78% Calvin Coolidge (R) 5,618 68.3% John Davis (D) 1,699 20.7% 908 [+] 11.0% 8,225 9 14 0.33%
1920 67% Warren Harding (R) 5,531 74.6% James Cox (D) 1,574 21.2% 311 [+] 4.2% 7,416 7 14 0.35%
1916 82% Charles Evans Hughes (R) 5,308 58.9% Woodrow Wilson* (D) 3,430 38.1% 270 [+] 3.0% 9,008 6 13 0.41%
1912 44% Theodore Roosevelt (Prog) 2,093 41.9% Woodrow Wilson (D) 1,602 32.1% 1,301 [+] 26.0% 4,996 -3 -4 0.44%
1908 46% William Taft (R) 2,871 57.5% William J. Bryan (D) 1,777 35.6% 344 [+] 6.9% 4,992 3 6 0.43%
1904 45% Theodore Roosevelt (R) 3,230 63.6% Alton Parker (D) 1,386 27.3% 459 [+] 9.0% 5,075 5 7 0.47%
1900 49% William McKinley* (R) 3,304 59.4% William J. Bryan (D) 2,110 37.9% 149 [+] 2.7% 5,563 7 8 0.49%
* incumbent         PSV: percent of state vote



2020 President, Mercer County, IL
CandidateVotesPct
Joe Biden (D) 3,280 36.8%
Donald Trump* (R) 5,418 60.8%
Jo Jorgensen (Lbt) 134 1.5%
Other 82 0.9%
TOTAL 8,914
Turnout: 73% Diff (St): 20 Diff (US): 14


2016 President, Mercer County, IL
CandidateVotesPct
Hillary Clinton (D) 3,071 36.0%
Donald Trump (R) 4,807 56.4%
Gary Johnson (Lbt) 475 5.6%
Jill Stein (Grn) 82 1.0%
Other 90 1.1%
TOTAL 8,525
Turnout: 68% Diff (St): 18 Diff (US): 10


2012 President, Mercer County, IL
CandidateVotesPct
Barack Obama* (D) 4,507 52.6%
Mitt Romney (R) 3,876 45.2%
Gary Johnson (Lbt) 108 1.3%
Other 77 0.9%
TOTAL 8,568
Turnout: 68% Diff (St): 5 Diff (US): -2


2008 President, Mercer County, IL
CandidateVotesPct
Barack Obama (D) 4,887 55.1%
John McCain (R) 3,833 43.2%
Ralph Nader (I) 58 0.7%
Bob Barr (Lbt) 26 0.3%
Other 66 0.7%
TOTAL 8,870
Turnout: 70% Diff (St): 6 Diff (US): -2


2004 President, Mercer County, IL
CandidateVotesPct
George W. Bush* (R) 4,405 49.1%
John Kerry (D) 4,512 50.3%
Other 57 0.6%
TOTAL 8,974
Turnout: 70% Diff (St): 5 Diff (US): -2


2000 President, Mercer County, IL
CandidateVotesPct
George W. Bush (R) 3,688 44.3%
Albert Gore, Jr. (D) 4,400 52.9%
Ralph Nader (Grn) 156 1.9%
Pat Buchanan (Ref) 56 0.7%
Other 18 0.2%
TOTAL 8,318
Turnout: 65% Diff (St): 2 Diff (US): -4


1996 President, Mercer County, IL
CandidateVotesPct
Bill Clinton* (D) 4,278 54.2%
Robert Dole (R) 2,688 34.0%
Ross Perot (Ref) 889 11.3%
Harry Browne (Lbt) 26 0.3%
Other 16 0.2%
TOTAL 7,897
Turnout: 62% Diff (St): -3 Diff (US): -7


1992 President, Mercer County, IL
CandidateVotesPct
Bill Clinton (D) 3,990 46.7%
George Bush* (R) 2,983 34.9%
Ross Perot (I) 1,535 18.0%
Other 32 0.4%
TOTAL 8,540
Turnout: 67% Diff (St): 1 Diff (US): -2


1988 President, Mercer County, IL
CandidateVotesPct
George Bush (R) 3,683 46.4%
Michael Dukakis (D) 4,204 53.0%
Ron Paul (Lbt) 18 0.2%
Other 24 0.3%
TOTAL 7,929
Turnout: 62% Diff (St): -4 Diff (US): -7


1984 President, Mercer County, IL
CandidateVotesPct
Ronald Reagan* (R) 4,907 55.0%
Walter Mondale (D) 3,982 44.6%
Other 38 0.4%
TOTAL 8,927
Turnout: 68% Diff (St): -1 Diff (US): -4


1980 President, Mercer County, IL
CandidateVotesPct
Ronald Reagan (R) 5,144 56.2%
Jimmy Carter* (D) 3,361 36.7%
John Anderson (I) 540 5.9%
Edward Clark (Lbt) 100 1.1%
Other 11 0.1%
TOTAL 9,156
Turnout: 69% Diff (St): 7 Diff (US): 5


1976 President, Mercer County, IL
CandidateVotesPct
Jimmy Carter (D) 4,090 45.5%
Gerald Ford* (R) 4,816 53.6%
Eugene McCarthy (I) 63 0.7%
Other 13 0.1%
TOTAL 8,982
Turnout: 74% Diff (St): 4 Diff (US): 6


1972 President, Mercer County, IL
CandidateVotesPct
Richard Nixon* (R) 5,452 61.0%
George McGovern (D) 3,477 38.9%
Other 11 0.1%
TOTAL 8,940
Turnout: 78% Diff (St): 2 Diff (US): 0


1968 President, Mercer County, IL
CandidateVotesPct
Richard Nixon (R) 4,844 56.3%
Hubert Humphrey (D) 3,143 36.5%
George Wallace (AIP) 607 7.1%
Other 6 0.1%
TOTAL 8,600
Turnout: 83% Diff (St): 9 Diff (US): 13


1964 President, Mercer County, IL
CandidateVotesPct
Lyndon Johnson* (D) 4,410 51.1%
Barry Goldwater (R) 4,220 48.9%
TOTAL 8,630
Turnout: 83% Diff (St): 8 Diff (US): 10


1960 President, Mercer County, IL
CandidateVotesPct
John Kennedy (D) 3,476 38.4%
Richard Nixon (R) 5,582 61.6%
Other 3 0.0%
TOTAL 9,061
Turnout: 88% Diff (St): 12 Diff (US): 12


1956 President, Mercer County, IL
CandidateVotesPct
Dwight Eisenhower* (R) 5,732 65.8%
Adlai Stevenson (D) 2,969 34.1%
Other 7 0.1%
TOTAL 8,708
Turnout: 77% Diff (St): 6 Diff (US): 8


1952 President, Mercer County, IL
CandidateVotesPct
Dwight Eisenhower (R) 6,416 70.5%
Adlai Stevenson (D) 2,679 29.4%
Other 2 0.0%
TOTAL 9,097
Turnout: 80% Diff (St): 16 Diff (US): 15


1948 President, Mercer County, IL
CandidateVotesPct
Harry Truman* (D) 3,117 37.0%
Thomas Dewey (R) 5,267 62.6%
Other 36 0.4%
TOTAL 8,420
Turnout: 74% Diff (St): 13 Diff (US): 17


1944 President, Mercer County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 3,277 36.5%
Thomas Dewey (R) 5,667 63.1%
Other 34 0.4%
TOTAL 8,978
Turnout: 78% Diff (St): 15 Diff (US): 17


1940 President, Mercer County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 3,830 37.5%
Wendell Willkie (R) 6,336 62.1%
Other 38 0.4%
TOTAL 10,204
Turnout: 88% Diff (St): 14 Diff (US): 17


1936 President, Mercer County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 4,751 48.1%
Alf Landon (R) 5,028 50.9%
William Lemke (Union) 84 0.8%
Norman Thomas (Soc) 4 0.0%
Other 17 0.2%
TOTAL 9,884
Turnout: 93% Diff (St): 11 Diff (US): 14


1932 President, Mercer County, IL
CandidateVotesPct
Franklin Roosevelt (D) 4,309 48.8%
Herbert Hoover* (R) 4,436 50.2%
Norman Thomas (Soc) 45 0.5%
Other 45 0.5%
TOTAL 8,835
Turnout: 86% Diff (St): 8 Diff (US): 11


1928 President, Mercer County, IL
CandidateVotesPct
Herbert Hoover (R) 5,699 70.6%
Al Smith (D) 2,316 28.7%
Norman Thomas (Soc) 51 0.6%
Other 7 0.1%
TOTAL 8,073
Turnout: 81% Diff (St): 14 Diff (US): 12


1924 President, Mercer County, IL
CandidateVotesPct
Calvin Coolidge (R) 5,618 68.3%
John Davis (D) 1,699 20.7%
Robert LaFollette (Prog) 890 10.8%
Other 18 0.2%
TOTAL 8,225
Turnout: 78% Diff (St): 9 Diff (US): 14


1920 President, Mercer County, IL
CandidateVotesPct
Warren Harding (R) 5,531 74.6%
James Cox (D) 1,574 21.2%
Eugene Debs (Soc) 90 1.2%
Parley Christiansen (FL) 102 1.4%
Aaron Watkins (Proh) 116 1.6%
Other 3 0.0%
TOTAL 7,416
Turnout: 67% Diff (St): 7 Diff (US): 14


1916 President, Mercer County, IL
CandidateVotesPct
Woodrow Wilson* (D) 3,430 38.1%
Charles Evans Hughes (R) 5,308 58.9%
Allan Benson (Soc) 69 0.8%
James Hanly (Proh) 199 2.2%
Other 2 0.0%
TOTAL 9,008
Turnout: 82% Diff (St): 6 Diff (US): 13


1912 President, Mercer County, IL
CandidateVotesPct
Woodrow Wilson (D) 1,602 32.1%
Theodore Roosevelt (Prog) 2,093 41.9%
William Taft* (R) 959 19.2%
Eugene Debs (Soc) 222 4.4%
Eugene Chafin (Proh) 111 2.2%
Other 9 0.2%
TOTAL 4,996
Turnout: 44% Diff (St): -3 Diff (US): -4


1908 President, Mercer County, IL
CandidateVotesPct
William Taft (R) 2,871 57.5%
William J. Bryan (D) 1,777 35.6%
Eugene Debs (Soc) 85 1.7%
Eugene Chafin (Proh) 231 4.6%
Thomas Hisgen (I) 14 0.3%
Other 14 0.3%
TOTAL 4,992
Turnout: 46% Diff (St): 3 Diff (US): 6


1904 President, Mercer County, IL
CandidateVotesPct
Theodore Roosevelt (R) 3,230 63.6%
Alton Parker (D) 1,386 27.3%
Eugene Debs (Soc) 144 2.8%
Silas Swallow (Proh) 249 4.9%
Thomas Watson (Pop) 46 0.9%
Other 20 0.4%
TOTAL 5,075
Turnout: 45% Diff (St): 5 Diff (US): 7


1900 President, Mercer County, IL
CandidateVotesPct
William McKinley* (R) 3,304 59.4%
William J. Bryan (D) 2,110 37.9%
John Woolley (Proh) 124 2.2%
Eugene Debs (Soc) 13 0.2%
Other 12 0.2%
TOTAL 5,563
Turnout: 49% Diff (St): 7 Diff (US): 8
* incumbent

Historical Statewide Election Results for Mercer County, IL

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 55% Kathy Salvi (R) 3,945 58.6% Tammy Duckworth* (D) 2,559 38.0% 228 [+] 3.4% 6,732 17 0.16%
2022 G 56% Darren Bailey (R) 4,238 62.5% J.B. Pritzker* (D) 2,297 33.9% 250 [+] 3.7% 6,785 20 0.17%
2020 S2 72% Mark Curran (R) 5,068 58.0% Richard Durbin* (D) 3,420 39.1% 256 [+] 2.9% 8,744 19 0.15%
2018 G 56% Bruce Rauner* (R) 3,658 52.9% J.B. Pritzker (D) 2,546 36.8% 712 [+] 10.3% 6,916 14 0.15%
2016 S3 67% Mark Kirk* (R) 4,465 53.6% Tammy Duckworth (D) 3,391 40.7% 481 [+] 5.8% 8,337 14 0.15%
2014 S2 52% Jim Oberweis (R) 3,165 48.6% Richard Durbin* (D) 3,036 46.6% 311 [+] 4.8% 6,512 6 0.18%
2014 G 52% Bruce Rauner (R) 3,823 58.3% Pat Quinn* (D) 2,377 36.3% 354 [+] 5.4% 6,554 8 0.18%
2010 S3 52% Mark Kirk (R) 3,806 57.4% Alexi Giannoulias (D) 2,321 35.0% 508 [+] 7.7% 6,635 9 0.18%
2010 G 53% Bill Brady (R) 3,710 55.5% Pat Quinn* (D) 2,403 35.9% 575 [+] 8.6% 6,688 10 0.18%
2008 S2 66% Richard Durbin* (D) 5,233 62.5% Steve Sauerberg (R) 2,773 33.1% 371 [+] 4.4% 8,377 5 0.16%
2006 G 49% Rod Blagojevich* (D) 3,206 51.4% Judy Baar Topinka (R) 2,668 42.8% 358 [+] 5.7% 6,232 4 0.18%
2004 S3 68% Barack Obama (D) 5,729 66.3% Alan Keyes (R) 2,685 31.1% 231 [+] 2.7% 8,645 4 0.17%
2002 S2 53% Richard Durbin* (D) 3,872 57.4% Jim Durkin (R) 2,737 40.6% 138 [+] 2.0% 6,747 3 0.19%
2002 G 54% Jim Ryan (R) 3,498 51.2% Rod Blagojevich (D) 3,131 45.8% 201 [+] 2.9% 6,830 6 0.19%
1998 S3 54% Peter Fitzgerald (R) 4,115 60.2% Carol Moseley-Braun* (D) 2,522 36.9% 198 [+] 2.9% 6,835 10 0.20%
1998 G 54% George Ryan (R) 3,872 56.2% Glenn Poshard (D) 2,948 42.8% 67 [+] 1.0% 6,887 5 0.21%
1996 S2 60% Richard Durbin (D) 4,019 52.4% Al Salvi (R) 3,417 44.6% 227 [+] 3.0% 7,663 4 0.18%
1994 G 50% Jim Edgar* (R) 4,550 71.7% Dawn Clark Netsch (D) 1,695 26.7% 99 [+] 1.6% 6,344 8 0.20%
1992 S3 66% Richard Williamson (R) 4,045 48.5% Carol Moseley-Braun (D) 4,033 48.4% 259 [+] 3.1% 8,337 5 0.17%
1990 S2 54% Paul Simon* (D) 4,567 66.3% Lynn Martin (R) 2,323 33.7% 0 0.0% 6,890 -1 0.21%
1990 G 55% Jim Edgar (R) 3,689 53.1% Neil Hartigan (D) 3,159 45.5% 101 [+] 1.5% 6,949 2 0.21%
1986 S3 51% Alan Dixon* (D) 4,312 64.7% Judy Koehler (R) 2,292 34.4% 56 [+] 0.8% 6,660 1 0.21%
1986 G 52% James Thompson* (R) 3,253 48.7% Adlai Stevenson III (Illinois Solidarity) 2,842 42.5% 587 [+] 8.8% 6,682 -4 0.21%
1984 S2 68% Charles Percy* (R) 4,600 51.8% Paul Simon (D) 4,184 47.1% 103 [+] 1.2% 8,887 4 0.19%
1982 G 55% James Thompson* (R) 3,818 52.0% Adlai Stevenson III (D) 3,408 46.4% 113 [+] 1.5% 7,339 3 0.20%
1980 S3 68% Alan Dixon (D) 4,521 50.1% David O'Neal (R) 4,441 49.2% 61 [+] 0.7% 9,023 7 0.20%
1978 S2 53% Charles Percy* (R) 3,611 54.8% Alex Seith (D) 2,955 44.8% 23 [+] 0.3% 6,589 1 0.21%
1978 G 53% James Thompson* (R) 3,996 60.4% Michael Bakalis (D) 2,600 39.3% 19 [+] 0.3% 6,615 1 0.21%
1976 G 73% James Thompson (R) 6,527 73.5% Michael Howlitt (D) 2,350 26.4% 8 [+] 0.1% 8,885 9 0.19%
1974 S3 52% Adlai Stevenson III* (D) 3,457 56.3% George Burditt (R) 2,682 43.7% 3 [+] 0.0% 6,142 6 0.21%
1972 S2 76% Charles Percy* (R) 5,607 63.8% Roman Pucinski (D) 3,173 36.1% 3 [+] 0.0% 8,783 2 0.19%
1972 G 78% Daniel Walker (D) 4,973 55.5% Richard Ogilvie* (R) 3,982 44.5% 2 [+] 0.0% 8,957 -5 0.19%
1970 S3 67% Ralph Smith* (R) 3,521 50.1% Adlai Stevenson III (D) 3,503 49.8% 5 [+] 0.1% 7,029 8 0.20%
1968 S3 80% Everett Dirksen* (R) 5,618 67.9% William Clark (D) 2,651 32.0% 7 [+] 0.1% 8,276 15 0.19%
1968 G 80% Richard Ogilvie (R) 5,062 60.6% Samuel Shapiro* (D) 3,276 39.2% 9 [+] 0.1% 8,347 9 0.19%
1966 S2 75% Charles Percy (R) 4,665 60.2% Paul Douglas* (D) 3,063 39.6% 16 [+] 0.2% 7,744 5 0.20%
1964 G 82% Charles Percy (R) 4,700 55.2% Otto Kerner* (D) 3,820 44.8% 0 0.0% 8,520 7 0.18%
1962 S3 78% Everett Dirksen* (R) 5,089 63.0% Sidney Yates (D) 2,983 37.0% 0 0.0% 8,072 10 0.22%
1960 S2 86% Samuel Witwer (R) 4,952 56.2% Paul Douglas* (D) 3,854 43.8% 1 [+] 0.0% 8,807 11 0.19%
1960 G 86% William Stratton* (R) 4,941 55.6% Otto Kerner (D) 3,937 44.3% 3 [+] 0.0% 8,881 11 0.19%
*: 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 Mercer County, IL

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 IL15Mary Miller* (R) 2,193 65.5% Paul Lange (D) 1,156 34.5% 0 0.0% 3,349
2022-11-08 IL17Esther King (R) 2,032 60.5% Eric Sorenson (D) 1,326 39.5% 0 0.0% 3,358
County Total for 2022-11-08:   6,707
2020-11-03 IL17Esther King (R) 4,976 56.9% Cheri Bustos* (D) 3,765 43.1% 0 0.0% 8,741
County Total for 2020-11-03:   8,741
2018-11-06 IL17Cheri Bustos* (D) 3,967 56.6% Bill Fawell (R) 3,037 43.4% 0 0.0% 7,004
County Total for 2018-11-06:   7,004
2016-11-08 IL17Cheri Bustos* (D) 4,587 54.4% Patrick Harlan (R) 3,852 45.6% 0 0.0% 8,439
County Total for 2016-11-08:   8,439
2014-11-04 IL17Bobby Schilling (R) 3,319 50.5% Cheri Bustos* (D) 3,251 49.5% 0 0.0% 6,570
County Total for 2014-11-04:   6,570
2012-11-06 IL17Bobby Schilling* (R) 4,521 53.4% Cheri Bustos (D) 3,949 46.6% 0 0.0% 8,470
County Total for 2012-11-06:   8,470
2010-11-02 IL17Bobby Schilling (R) 3,670 54.1% Phil Hare* (D) 2,804 41.3% 314 4.6% 6,788
County Total for 2010-11-02:   6,788
2008-11-04 IL17Phil Hare* (D) 6,715 99.2% 55 0.8% 6,770
County Total for 2008-11-04:   6,770
2006-11-07 IL17Phil Hare (D) 3,557 56.8% Andrea Zinga (R) 2,708 43.2% 0 0.0% 6,265
County Total for 2006-11-07:   6,265
2004-11-02 IL17Lane Evans* (D) 5,065 56.2% Andrea Zinga (R) 3,953 43.8% 0 0.0% 9,018
County Total for 2004-11-02:   9,018
2002-11-05 IL17Lane Evans* (D) 4,027 57.8% Peter Calderone (R) 2,937 42.2% 0 0.0% 6,964
County Total for 2002-11-05:   6,964
2000-11-07 IL17Lane Evans* (D) 4,702 56.2% Mark Baker (R) 3,663 43.8% 0 0.0% 8,365
County Total for 2000-11-07:   8,365
1998-11-03 IL17Lane Evans* (D) 3,754 54.0% Mark Baker (R) 3,199 46.0% 0 0.0% 6,953
County Total for 1998-11-03:   6,953
1996-11-05 IL17Lane Evans* (D) 4,006 51.6% Mark Baker (R) 3,707 47.8% 49 0.6% 7,762
County Total for 1996-11-05:   7,762
1994-11-08 IL17Jim Anderson (R) 3,620 56.0% Lane Evans* (D) 2,849 44.0% 0 0.0% 6,469
County Total for 1994-11-08:   6,469
1992-11-03 IL17Lane Evans* (D) 4,834 57.0% Ken Schloemer (R) 3,648 43.0% 0 0.0% 8,482
County Total for 1992-11-03:   8,482
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Mercer County, IL

Party registration is not used in this state, however as of 2022 registrations in Mercer County, IL were estimated to be 30% Republican and 25% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2022 12,950 0 0.0% 0 0.0% 12,950 100.0% n/a n/a 106%
2020 12,694 0 0.0% 0 0.0% 12,694 100.0% n/a n/a 104%
2018 12,127 0 0.0% 0 0.0% 12,127 100.0% n/a n/a 99%
2016 12,026 0 0.0% 0 0.0% 12,026 100.0% n/a n/a 97%
2012 12,020 0 0.0% 0 0.0% 12,020 100.0% n/a n/a 95%
2010 14,295 0 0.0% 0 0.0% 14,295 100.0% n/a n/a 112%
2008 14,087 0 0.0% 0 0.0% 14,087 100.0% n/a n/a 111%
2006 14,145 0 0.0% 0 0.0% 14,145 100.0% n/a n/a 111%
2004 14,325 0 0.0% 0 0.0% 14,325 100.0% n/a n/a 112%
2000 12,783 0 0.0% 0 0.0% 12,783 100.0% n/a n/a 100%
1994 10,636 0 0.0% 0 0.0% 10,636 100.0% n/a n/a 84%
1986 11,365 0 0.0% 0 0.0% 11,365 100.0% n/a n/a 88%
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.