RightDataUSA

Grundy County, IL


Metropolitan Statistical Area: Chicago-Naperville-Elgin, IL-IN-WI
Designated Market Area: Chicago, IL-IN
American Communities Project County Type (2023): Exurbs

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

 

Tracts in Grundy County, IL

   



Click here to view demographic data for Grundy County, IL

2022 population: 53,041   ( 2,978 from 2010 , 497 from 2020)
Land area: 418.1 square miles
Population density: 126.9 persons per square mile

2022 Census data
White:44,342 83.60% 0.4%
Black:1,1902.24% 106.2%
Indian:900.17% 32.4%
Asian:5200.98% 57.6%
2+ races:6561.24% 48.8%
Hispanic:6,24311.77% 52.4%
Total non-White:8,69916.40% 57.1%

2020-2022 ComponentsNumberRate
Births:1,117 10.6
Deaths:1,20411.5
Net Migration: 5325.1
Net Immigration: 550.5
Change in White population:-184 -0.4
Change in Non-White pop.:3,162 6.3



Historical Presidential Election Results for Grundy 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 67% Donald Trump* (R) 16,523 61.8% Joe Biden (D) 9,626 36.0% 607 [+] 2.3% 26,756 21 15 0.44%
2016 61% Donald Trump (R) 13,454 57.9% Hillary Clinton (D) 8,065 34.7% 1,718 [+] 7.4% 23,237 20 12 0.42%
2012 58% Mitt Romney (R) 11,343 53.2% Barack Obama* (D) 9,451 44.3% 519 [+] 2.4% 21,313 13 6 0.41%
2008 64% Barack Obama (D) 11,063 49.8% John McCain (R) 10,687 48.1% 482 [+] 2.2% 22,232 11 2 0.40%
2004 64% George W. Bush* (R) 11,198 56.5% John Kerry (D) 8,463 42.7% 170 [+] 0.9% 19,831 12 6 0.38%
2000 60% George W. Bush (R) 8,709 52.5% Albert Gore, Jr. (D) 7,516 45.3% 359 [+] 2.2% 16,584 10 5 0.35%
1996 58% Bill Clinton* (D) 6,759 45.4% Robert Dole (R) 6,177 41.5% 1,966 [+] 13.2% 14,902 5 1 0.35%
1992 67% George Bush* (R) 6,346 39.0% Bill Clinton (D) 6,122 37.6% 3,797 [+] 23.3% 16,265 5 2 0.32%
1988 63% George Bush (R) 8,743 60.9% Michael Dukakis (D) 5,525 38.5% 93 [+] 0.6% 14,361 10 7 0.31%
1984 65% Ronald Reagan* (R) 9,595 67.0% Walter Mondale (D) 4,671 32.6% 59 0.4% 14,325 11 8 0.30%
1980 62% Ronald Reagan (R) 8,397 63.6% Jimmy Carter* (D) 3,970 30.1% 837 [+] 6.3% 13,204 14 13 0.28%
1976 69% Gerald Ford* (R) 7,581 57.4% Jimmy Carter (D) 5,534 41.9% 86 [+] 0.7% 13,201 7 9 0.28%
1972 69% Richard Nixon* (R) 8,725 70.7% George McGovern (D) 3,584 29.0% 32 [+] 0.3% 12,341 12 10 0.26%
1968 71% Richard Nixon (R) 6,607 59.5% Hubert Humphrey (D) 3,407 30.7% 1,091 [+] 9.8% 11,105 12 16 0.24%
1964 74% Barry Goldwater (R) 5,522 51.3% Lyndon Johnson* (D) 5,246 48.7% 0 0.0% 10,768 11 13 0.23%
1960 83% Richard Nixon (R) 6,948 61.9% John Kennedy (D) 4,276 38.1% 4 0.0% 11,228 12 12 0.24%
1956 74% Dwight Eisenhower* (R) 7,640 74.5% Adlai Stevenson (D) 2,618 25.5% 3 0.0% 10,261 15 17 0.23%
1952 80% Dwight Eisenhower (R) 7,347 70.1% Adlai Stevenson (D) 3,118 29.8% 13 0.1% 10,478 15 15 0.23%
1948 74% Thomas Dewey (R) 5,954 64.4% Harry Truman* (D) 3,255 35.2% 31 [+] 0.3% 9,240 15 19 0.23%
1944 80% Thomas Dewey (R) 6,310 63.9% Franklin Roosevelt* (D) 3,544 35.9% 22 0.2% 9,876 16 18 0.24%
1940 89% Wendell Willkie (R) 6,593 61.4% Franklin Roosevelt* (D) 4,105 38.2% 43 0.4% 10,741 13 17 0.25%
1936 89% Alf Landon (R) 5,360 52.6% Franklin Roosevelt* (D) 4,481 44.0% 344 [+] 3.4% 10,185 13 16 0.26%
1932 81% Franklin Roosevelt (D) 4,755 51.0% Herbert Hoover* (R) 4,491 48.2% 69 [+] 0.7% 9,315 6 9 0.27%
1928 76% Herbert Hoover (R) 5,126 61.5% Al Smith (D) 3,174 38.1% 29 [+] 0.3% 8,329 5 3 0.27%
1924 62% Calvin Coolidge (R) 4,337 64.0% Robert LaFollette (Prog) 1,681 24.8% 762 [+] 11.2% 6,780 5 10 0.27%
1920 53% Warren Harding (R) 4,647 80.1% James Cox (D) 803 13.8% 355 [+] 6.1% 5,805 12 20 0.28%
1916 60% Charles Evans Hughes (R) 4,811 66.4% Woodrow Wilson* (D) 2,241 30.9% 197 [+] 2.7% 7,249 14 20 0.33%
1912 29% William Taft* (R) 1,380 36.0% Woodrow Wilson (D) 1,172 30.6% 1,279 [+] 33.4% 3,831 14 13 0.33%
1908 37% William Taft (R) 3,127 63.1% William J. Bryan (D) 1,359 27.4% 471 [+] 9.5% 4,957 9 11 0.43%
1904 37% Theodore Roosevelt (R) 3,448 69.7% Alton Parker (D) 841 17.0% 656 [+] 13.3% 4,945 11 13 0.46%
1900 43% William McKinley* (R) 3,735 65.5% William J. Bryan (D) 1,687 29.6% 280 [+] 4.9% 5,702 13 14 0.50%
* incumbent         PSV: percent of state vote



2020 President, Grundy County, IL
CandidateVotesPct
Joe Biden (D) 9,626 36.0%
Donald Trump* (R) 16,523 61.8%
Jo Jorgensen (Lbt) 356 1.3%
Other 251 0.9%
TOTAL 26,756
Turnout: 67% Diff (St): 21 Diff (US): 15


2016 President, Grundy County, IL
CandidateVotesPct
Hillary Clinton (D) 8,065 34.7%
Donald Trump (R) 13,454 57.9%
Gary Johnson (Lbt) 1,140 4.9%
Jill Stein (Grn) 323 1.4%
Other 255 1.1%
TOTAL 23,237
Turnout: 61% Diff (St): 20 Diff (US): 12


2012 President, Grundy County, IL
CandidateVotesPct
Barack Obama* (D) 9,451 44.3%
Mitt Romney (R) 11,343 53.2%
Gary Johnson (Lbt) 322 1.5%
Other 197 0.9%
TOTAL 21,313
Turnout: 58% Diff (St): 13 Diff (US): 6


2008 President, Grundy County, IL
CandidateVotesPct
Barack Obama (D) 11,063 49.8%
John McCain (R) 10,687 48.1%
Ralph Nader (I) 177 0.8%
Bob Barr (Lbt) 138 0.6%
Other 167 0.8%
TOTAL 22,232
Turnout: 64% Diff (St): 11 Diff (US): 2


2004 President, Grundy County, IL
CandidateVotesPct
George W. Bush* (R) 11,198 56.5%
John Kerry (D) 8,463 42.7%
Other 170 0.9%
TOTAL 19,831
Turnout: 64% Diff (St): 12 Diff (US): 6


2000 President, Grundy County, IL
CandidateVotesPct
George W. Bush (R) 8,709 52.5%
Albert Gore, Jr. (D) 7,516 45.3%
Ralph Nader (Grn) 257 1.5%
Pat Buchanan (Ref) 67 0.4%
Other 35 0.2%
TOTAL 16,584
Turnout: 60% Diff (St): 10 Diff (US): 5


1996 President, Grundy County, IL
CandidateVotesPct
Bill Clinton* (D) 6,759 45.4%
Robert Dole (R) 6,177 41.5%
Ross Perot (Ref) 1,860 12.5%
Harry Browne (Lbt) 63 0.4%
Other 43 0.3%
TOTAL 14,902
Turnout: 58% Diff (St): 5 Diff (US): 1


1992 President, Grundy County, IL
CandidateVotesPct
Bill Clinton (D) 6,122 37.6%
George Bush* (R) 6,346 39.0%
Ross Perot (I) 3,724 22.9%
Other 73 0.4%
TOTAL 16,265
Turnout: 67% Diff (St): 5 Diff (US): 2


1988 President, Grundy County, IL
CandidateVotesPct
George Bush (R) 8,743 60.9%
Michael Dukakis (D) 5,525 38.5%
Ron Paul (Lbt) 41 0.3%
Other 52 0.4%
TOTAL 14,361
Turnout: 63% Diff (St): 10 Diff (US): 7


1984 President, Grundy County, IL
CandidateVotesPct
Ronald Reagan* (R) 9,595 67.0%
Walter Mondale (D) 4,671 32.6%
Other 59 0.4%
TOTAL 14,325
Turnout: 65% Diff (St): 11 Diff (US): 8


1980 President, Grundy County, IL
CandidateVotesPct
Ronald Reagan (R) 8,397 63.6%
Jimmy Carter* (D) 3,970 30.1%
John Anderson (I) 701 5.3%
Edward Clark (Lbt) 110 0.8%
Other 26 0.2%
TOTAL 13,204
Turnout: 62% Diff (St): 14 Diff (US): 13


1976 President, Grundy County, IL
CandidateVotesPct
Jimmy Carter (D) 5,534 41.9%
Gerald Ford* (R) 7,581 57.4%
Eugene McCarthy (I) 59 0.4%
Other 27 0.2%
TOTAL 13,201
Turnout: 69% Diff (St): 7 Diff (US): 9


1972 President, Grundy County, IL
CandidateVotesPct
Richard Nixon* (R) 8,725 70.7%
George McGovern (D) 3,584 29.0%
Other 32 0.3%
TOTAL 12,341
Turnout: 69% Diff (St): 12 Diff (US): 10


1968 President, Grundy County, IL
CandidateVotesPct
Richard Nixon (R) 6,607 59.5%
Hubert Humphrey (D) 3,407 30.7%
George Wallace (AIP) 1,085 9.8%
Other 6 0.1%
TOTAL 11,105
Turnout: 71% Diff (St): 12 Diff (US): 16


1960 President, Grundy County, IL
CandidateVotesPct
John Kennedy (D) 4,276 38.1%
Richard Nixon (R) 6,948 61.9%
Other 4 0.0%
TOTAL 11,228
Turnout: 83% Diff (St): 12 Diff (US): 12


1956 President, Grundy County, IL
CandidateVotesPct
Dwight Eisenhower* (R) 7,640 74.5%
Adlai Stevenson (D) 2,618 25.5%
Other 3 0.0%
TOTAL 10,261
Turnout: 74% Diff (St): 15 Diff (US): 17


1952 President, Grundy County, IL
CandidateVotesPct
Dwight Eisenhower (R) 7,347 70.1%
Adlai Stevenson (D) 3,118 29.8%
Other 13 0.1%
TOTAL 10,478
Turnout: 80% Diff (St): 15 Diff (US): 15


1948 President, Grundy County, IL
CandidateVotesPct
Harry Truman* (D) 3,255 35.2%
Thomas Dewey (R) 5,954 64.4%
Other 31 0.3%
TOTAL 9,240
Turnout: 74% Diff (St): 15 Diff (US): 19


1944 President, Grundy County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 3,544 35.9%
Thomas Dewey (R) 6,310 63.9%
Other 22 0.2%
TOTAL 9,876
Turnout: 80% Diff (St): 16 Diff (US): 18


1940 President, Grundy County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 4,105 38.2%
Wendell Willkie (R) 6,593 61.4%
Other 43 0.4%
TOTAL 10,741
Turnout: 89% Diff (St): 13 Diff (US): 17


1936 President, Grundy County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 4,481 44.0%
Alf Landon (R) 5,360 52.6%
William Lemke (Union) 330 3.2%
Norman Thomas (Soc) 7 0.1%
Other 7 0.1%
TOTAL 10,185
Turnout: 89% Diff (St): 13 Diff (US): 16


1932 President, Grundy County, IL
CandidateVotesPct
Franklin Roosevelt (D) 4,755 51.0%
Herbert Hoover* (R) 4,491 48.2%
Norman Thomas (Soc) 64 0.7%
Other 5 0.1%
TOTAL 9,315
Turnout: 81% Diff (St): 6 Diff (US): 9


1928 President, Grundy County, IL
CandidateVotesPct
Herbert Hoover (R) 5,126 61.5%
Al Smith (D) 3,174 38.1%
Norman Thomas (Soc) 23 0.3%
Other 6 0.1%
TOTAL 8,329
Turnout: 76% Diff (St): 5 Diff (US): 3


1924 President, Grundy County, IL
CandidateVotesPct
Calvin Coolidge (R) 4,337 64.0%
John Davis (D) 742 10.9%
Robert LaFollette (Prog) 1,681 24.8%
Other 20 0.3%
TOTAL 6,780
Turnout: 62% Diff (St): 5 Diff (US): 10


1920 President, Grundy County, IL
CandidateVotesPct
Warren Harding (R) 4,647 80.1%
James Cox (D) 803 13.8%
Eugene Debs (Soc) 82 1.4%
Parley Christiansen (FL) 225 3.9%
Aaron Watkins (Proh) 46 0.8%
Other 2 0.0%
TOTAL 5,805
Turnout: 53% Diff (St): 12 Diff (US): 20


1916 President, Grundy County, IL
CandidateVotesPct
Woodrow Wilson* (D) 2,241 30.9%
Charles Evans Hughes (R) 4,811 66.4%
Allan Benson (Soc) 101 1.4%
James Hanly (Proh) 94 1.3%
Other 2 0.0%
TOTAL 7,249
Turnout: 60% Diff (St): 14 Diff (US): 20


1912 President, Grundy County, IL
CandidateVotesPct
Woodrow Wilson (D) 1,172 30.6%
Theodore Roosevelt (Prog) 1,019 26.6%
William Taft* (R) 1,380 36.0%
Eugene Debs (Soc) 180 4.7%
Eugene Chafin (Proh) 74 1.9%
Other 6 0.2%
TOTAL 3,831
Turnout: 29% Diff (St): 14 Diff (US): 13


1908 President, Grundy County, IL
CandidateVotesPct
William Taft (R) 3,127 63.1%
William J. Bryan (D) 1,359 27.4%
Eugene Debs (Soc) 207 4.2%
Eugene Chafin (Proh) 190 3.8%
Thomas Hisgen (I) 58 1.2%
Other 16 0.3%
TOTAL 4,957
Turnout: 37% Diff (St): 9 Diff (US): 11


1904 President, Grundy County, IL
CandidateVotesPct
Theodore Roosevelt (R) 3,448 69.7%
Alton Parker (D) 841 17.0%
Eugene Debs (Soc) 384 7.8%
Silas Swallow (Proh) 167 3.4%
Thomas Watson (Pop) 67 1.4%
Other 38 0.8%
TOTAL 4,945
Turnout: 37% Diff (St): 11 Diff (US): 13


1900 President, Grundy County, IL
CandidateVotesPct
William McKinley* (R) 3,735 65.5%
William J. Bryan (D) 1,687 29.6%
John Woolley (Proh) 156 2.7%
Eugene Debs (Soc) 88 1.5%
Other 36 0.6%
TOTAL 5,702
Turnout: 43% Diff (St): 13 Diff (US): 14
* incumbent

Historical Statewide Election Results for Grundy County, IL

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 49% Kathy Salvi (R) 11,266 58.2% Tammy Duckworth* (D) 7,685 39.7% 419 [+] 2.2% 19,370 17 0.47%
2022 G 49% Darren Bailey (R) 11,733 60.5% J.B. Pritzker* (D) 6,966 35.9% 710 [+] 3.7% 19,409 18 0.47%
2020 S2 66% Mark Curran (R) 15,005 57.1% Richard Durbin* (D) 9,766 37.1% 1,528 [+] 5.8% 26,299 18 0.44%
2018 G 50% Bruce Rauner* (R) 10,184 52.6% J.B. Pritzker (D) 7,319 37.8% 1,846 [+] 9.5% 19,349 14 0.43%
2016 S3 60% Mark Kirk* (R) 11,624 50.9% Tammy Duckworth (D) 9,475 41.5% 1,721 [+] 7.5% 22,820 11 0.42%
2014 S2 44% Jim Oberweis (R) 8,655 52.5% Richard Durbin* (D) 6,982 42.3% 856 [+] 5.2% 16,493 10 0.46%
2014 G 44% Bruce Rauner (R) 9,760 59.0% Pat Quinn* (D) 6,073 36.7% 696 [+] 4.2% 16,529 9 0.46%
2010 S3 45% Mark Kirk (R) 9,418 56.9% Alexi Giannoulias (D) 5,814 35.1% 1,322 [+] 8.0% 16,554 9 0.45%
2010 G 46% Bill Brady (R) 9,132 54.9% Pat Quinn* (D) 5,813 34.9% 1,701 [+] 10.2% 16,646 9 0.45%
2008 S2 63% Richard Durbin* (D) 12,835 59.1% Steve Sauerberg (R) 7,867 36.2% 1,003 [+] 4.6% 21,705 8 0.41%
2006 G 43% Judy Baar Topinka (R) 6,139 43.5% Rod Blagojevich* (D) 5,958 42.2% 2,022 [+] 14.3% 14,119 4 0.40%
2004 S3 62% Barack Obama (D) 12,285 63.8% Alan Keyes (R) 6,308 32.8% 665 [+] 3.5% 19,258 6 0.37%
2002 S2 46% Richard Durbin* (D) 7,408 55.5% Jim Durkin (R) 5,700 42.7% 239 [+] 1.8% 13,347 5 0.38%
2002 G 46% Jim Ryan (R) 7,422 54.9% Rod Blagojevich (D) 5,638 41.7% 470 [+] 3.5% 13,530 10 0.38%
1998 S3 45% Peter Fitzgerald (R) 7,220 59.8% Carol Moseley-Braun* (D) 4,517 37.4% 329 [+] 2.7% 12,066 9 0.36%
1998 G 46% George Ryan (R) 7,027 57.9% Glenn Poshard (D) 4,965 40.9% 152 [+] 1.3% 12,144 7 0.36%
1996 S2 57% Al Salvi (R) 7,530 51.5% Richard Durbin (D) 6,578 45.0% 501 [+] 3.4% 14,609 11 0.34%
1994 G 45% Jim Edgar* (R) 8,802 77.4% Dawn Clark Netsch (D) 2,365 20.8% 210 [+] 1.8% 11,377 13 0.37%
1992 S3 66% Richard Williamson (R) 8,406 52.9% Carol Moseley-Braun (D) 6,759 42.5% 733 [+] 4.6% 15,898 10 0.32%
1990 S2 53% Paul Simon* (D) 7,207 58.3% Lynn Martin (R) 5,147 41.7% 0 0.0% 12,354 7 0.38%
1990 G 53% Jim Edgar (R) 6,844 55.1% Neil Hartigan (D) 5,452 43.9% 135 [+] 1.1% 12,431 4 0.38%
1986 S3 50% Alan Dixon* (D) 7,024 62.9% Judy Koehler (R) 4,075 36.5% 75 [+] 0.7% 11,174 3 0.36%
1986 G 50% James Thompson* (R) 7,098 63.0% Adlai Stevenson III (Illinois Solidarity) 3,465 30.8% 702 [+] 6.2% 11,265 10 0.36%
1984 S2 64% Charles Percy* (R) 8,004 56.2% Paul Simon (D) 5,908 41.5% 322 [+] 2.3% 14,234 8 0.30%
1982 G 55% James Thompson* (R) 7,157 60.4% Adlai Stevenson III (D) 4,547 38.4% 152 [+] 1.3% 11,856 11 0.32%
1980 S3 61% David O'Neal (R) 6,983 53.6% Alan Dixon (D) 5,949 45.6% 103 [+] 0.8% 13,035 11 0.28%
1978 S2 53% Charles Percy* (R) 5,674 54.6% Alex Seith (D) 4,650 44.7% 76 [+] 0.7% 10,400 1 0.33%
1978 G 53% James Thompson* (R) 7,236 69.6% Michael Bakalis (D) 3,116 30.0% 50 [+] 0.5% 10,402 11 0.33%
1976 G 69% James Thompson (R) 10,097 77.1% Michael Howlitt (D) 2,993 22.8% 13 [+] 0.1% 13,103 12 0.28%
1974 S3 54% Adlai Stevenson III* (D) 5,416 53.7% George Burditt (R) 4,640 46.0% 23 [+] 0.2% 10,079 9 0.35%
1972 S2 67% Charles Percy* (R) 8,328 69.0% Roman Pucinski (D) 3,727 30.9% 16 [+] 0.1% 12,071 7 0.26%
1972 G 69% Richard Ogilvie* (R) 6,700 54.5% Daniel Walker (D) 5,595 45.5% 9 [+] 0.1% 12,304 5 0.26%
1970 S3 64% Adlai Stevenson III (D) 5,160 49.9% Ralph Smith* (R) 5,159 49.9% 24 [+] 0.2% 10,343 8 0.29%
1968 S3 68% Everett Dirksen* (R) 7,010 66.0% William Clark (D) 3,603 33.9% 10 [+] 0.1% 10,623 13 0.24%
1968 G 70% Richard Ogilvie (R) 6,651 61.3% Samuel Shapiro* (D) 4,182 38.6% 9 [+] 0.1% 10,842 10 0.24%
1966 S2 59% Charles Percy (R) 5,940 66.6% Paul Douglas* (D) 2,942 33.0% 32 [+] 0.4% 8,914 12 0.23%
1964 G 74% Charles Percy (R) 6,260 58.6% Otto Kerner* (D) 4,422 41.4% 0 0.0% 10,682 11 0.23%
1962 S3 57% Everett Dirksen* (R) 5,343 66.6% Sidney Yates (D) 2,678 33.4% 0 0.0% 8,021 14 0.22%
1960 S2 80% Samuel Witwer (R) 6,294 58.3% Paul Douglas* (D) 4,503 41.7% 3 [+] 0.0% 10,800 13 0.23%
1960 G 82% William Stratton* (R) 6,758 61.2% Otto Kerner (D) 4,282 38.8% 4 [+] 0.0% 11,044 17 0.24%
*: 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 Grundy County, IL

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 IL16Darin LaHood* (R) 12,118 63.5% Elizabeth Haderlein (D) 6,961 36.5% 0 0.0% 19,079
County Total for 2022-11-08:   19,079
2020-11-03 IL16Adam Kinzinger* (R) 18,108 69.5% Dani Brzozowski (D) 7,942 30.5% 0 0.0% 26,050
County Total for 2020-11-03:   26,050
2018-11-06 IL16Adam Kinzinger* (R) 12,406 64.2% Sara Dady (D) 6,904 35.8% 0 0.0% 19,310
County Total for 2018-11-06:   19,310
2016-11-08 IL16Adam Kinzinger* (R) 19,640 100.0% 4 0.0% 19,644
County Total for 2016-11-08:   19,644
2014-11-04 IL16Adam Kinzinger* (R) 10,908 66.8% Randall Olson (D) 5,412 33.2% 0 0.0% 16,320
County Total for 2014-11-04:   16,320
2012-11-06 IL16Adam Kinzinger* (R) 12,851 61.9% Wanda Rohl (D) 7,898 38.1% 0 0.0% 20,749
County Total for 2012-11-06:   20,749
2010-11-02 IL11Adam Kinzinger (R) 9,630 57.9% Debbie Halvorson* (D) 6,996 42.1% 0 0.0% 16,626
County Total for 2010-11-02:   16,626
2008-11-04 IL11Debbie Halvorson (D) 11,841 55.7% Marty Ozinga (R) 7,830 36.8% 1,605 7.5% 21,276
County Total for 2008-11-04:   21,276
2006-11-07 IL11Jerry Weller* (R) 8,450 58.9% John Pavich (D) 5,892 41.1% 0 0.0% 14,342
County Total for 2006-11-07:   14,342
2004-11-02 IL11Jerry Weller* (R) 12,147 62.6% Tari Renner (D) 7,255 37.4% 0 0.0% 19,402
County Total for 2004-11-02:   19,402
2002-11-05 IL11Jerry Weller* (R) 9,335 69.1% Keith Van Duyne (D) 4,171 30.9% 0 0.0% 13,506
County Total for 2002-11-05:   13,506
2000-11-07 IL11Jerry Weller* (R) 11,426 69.7% James Stevenson (D) 4,958 30.3% 0 0.0% 16,384
County Total for 2000-11-07:   16,384
1998-11-03 IL11Jerry Weller* (R) 8,823 72.3% Gary Mueller (D) 3,378 27.7% 0 0.0% 12,201
County Total for 1998-11-03:   12,201
1996-11-05 IL11Jerry Weller* (R) 8,610 61.0% Clem Balanoff (D) 5,505 39.0% 0 0.0% 14,115
County Total for 1996-11-05:   14,115
1994-11-08 IL11Jerry Weller (R) 8,401 73.7% Frank Giglio (D) 3,005 26.3% 0 0.0% 11,406
County Total for 1994-11-08:   11,406
1992-11-03 IL11Robert Herbolsheimer (R) 8,003 51.2% George Sangmeister* (D) 7,639 48.8% 0 0.0% 15,642
County Total for 1992-11-03:   15,642
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Grundy County, IL

Party registration is not used in this state, however as of 2022 registrations in Grundy County, IL were estimated to be 29% Republican and 23% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2022 34,048 0 0.0% 0 0.0% 34,048 100.0% n/a n/a 86%
2020 33,656 0 0.0% 0 0.0% 33,656 100.0% n/a n/a 85%
2018 33,042 0 0.0% 0 0.0% 33,042 100.0% n/a n/a 84%
2016 32,663 0 0.0% 0 0.0% 32,663 100.0% n/a n/a 85%
2012 30,820 0 0.0% 0 0.0% 30,820 100.0% n/a n/a 83%
2010 29,708 0 0.0% 0 0.0% 29,708 100.0% n/a n/a 82%
2008 30,234 0 0.0% 0 0.0% 30,234 100.0% n/a n/a 87%
2006 28,508 0 0.0% 0 0.0% 28,508 100.0% n/a n/a 87%
2004 28,571 0 0.0% 0 0.0% 28,571 100.0% n/a n/a 92%
2000 24,020 0 0.0% 0 0.0% 24,020 100.0% n/a n/a 87%
1994 20,075 0 0.0% 0 0.0% 20,075 100.0% n/a n/a 80%
1986 17,410 0 0.0% 0 0.0% 17,410 100.0% n/a n/a 77%
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.