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Stephenson County, IL


Micropolitan Statistical Area: Freeport, IL
Designated Market Area: Rockford, IL
USDA County Type (2015): Manufacturing
American Communities Project County Type (2023): Rural Middle America

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

 

Tracts in Stephenson County, IL

   



Click here to view demographic data for Stephenson County, IL

2022 population: 43,627   ( 4,084 from 2010 , 996 from 2020)
Land area: 564.2 square miles
Population density: 77.3 persons per square mile

2022 Census data
White:35,229 80.75% 13.3%
Black:4,2559.75% 0.7%
Indian:770.18% 13.2%
Asian:3610.83% 17.2%
2+ races:1,4843.40% 41.7%
Hispanic:2,2215.09% 58.0%
Total non-White:8,39819.25% 18.3%

2020-2022 ComponentsNumberRate
Births:1,022 11.5
Deaths:1,47116.5
Net Migration: -564-6.3
Net Immigration: 130.1
Change in White population:-5,383 -11.3
Change in Non-White pop.:1,299 2.7



Historical Presidential Election Results for Stephenson County, IL

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +1,438 R +151 D + 1.5%
D +1,287
2020 vs. 2012 R +2,009 R +3,119 R + 14.4%
D -1,110
2020 vs. 2008 R +2,612 R +4,906 R + 22.8%
D -2,294
2016 vs. 2008 R +1,174 R +4,755 R + 24.4%
D -3,581
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 65% Donald Trump* (R) 12,521 56.6% Joe Biden (D) 9,055 41.0% 535 [+] 2.4% 22,111 16 10 0.37%
2016 57% Donald Trump (R) 11,083 54.5% Hillary Clinton (D) 7,768 38.2% 1,492 [+] 7.3% 20,343 16 9 0.36%
2012 58% Mitt Romney (R) 10,512 49.8% Barack Obama* (D) 10,165 48.1% 451 [+] 2.1% 21,128 9 3 0.40%
2008 59% Barack Obama (D) 11,349 52.4% John McCain (R) 9,909 45.8% 399 [+] 1.8% 21,657 9 0 0.39%
2004 58% George W. Bush* (R) 12,212 57.3% John Kerry (D) 8,913 41.8% 195 [+] 0.9% 21,320 13 7 0.40%
2000 53% George W. Bush (R) 10,715 55.3% Albert Gore, Jr. (D) 8,062 41.6% 601 [+] 3.1% 19,378 13 7 0.41%
1996 50% Robert Dole (R) 8,871 48.9% Bill Clinton* (D) 7,145 39.4% 2,109 [+] 11.6% 18,125 12 8 0.42%
1992 60% George Bush* (R) 9,005 41.6% Bill Clinton (D) 7,899 36.5% 4,752 [+] 21.9% 21,656 7 4 0.43%
1988 53% George Bush (R) 11,342 59.9% Michael Dukakis (D) 7,460 39.4% 143 [+] 0.8% 18,945 9 6 0.42%
1984 59% Ronald Reagan* (R) 14,237 67.4% Walter Mondale (D) 6,723 31.8% 171 0.8% 21,131 11 9 0.44%
1980 57% Ronald Reagan (R) 10,779 52.9% Jimmy Carter* (D) 6,195 30.4% 3,414 [+] 16.7% 20,388 3 2 0.43%
1976 57% Gerald Ford* (R) 11,678 61.0% Jimmy Carter (D) 7,192 37.6% 267 [+] 1.4% 19,137 11 13 0.41%
1972 61% Richard Nixon* (R) 13,584 67.9% George McGovern (D) 6,404 32.0% 31 [+] 0.2% 20,019 9 7 0.42%
1968 66% Richard Nixon (R) 11,821 59.3% Hubert Humphrey (D) 7,040 35.3% 1,067 [+] 5.4% 19,928 12 16 0.43%
1964 68% Lyndon Johnson* (D) 10,854 54.0% Barry Goldwater (R) 9,252 46.0% 0 0.0% 20,106 5 8 0.43%
1960 77% Richard Nixon (R) 13,872 63.1% John Kennedy (D) 8,055 36.6% 68 0.3% 21,995 13 13 0.46%
1956 69% Dwight Eisenhower* (R) 14,245 69.1% Adlai Stevenson (D) 6,349 30.8% 20 0.1% 20,614 10 12 0.47%
1952 73% Dwight Eisenhower (R) 14,446 68.5% Adlai Stevenson (D) 6,605 31.3% 35 0.2% 21,086 14 13 0.47%
1948 65% Thomas Dewey (R) 10,564 58.3% Harry Truman* (D) 7,409 40.9% 149 [+] 0.8% 18,122 9 13 0.45%
1944 71% Thomas Dewey (R) 11,948 60.3% Franklin Roosevelt* (D) 7,755 39.1% 118 0.6% 19,821 12 14 0.49%
1940 84% Wendell Willkie (R) 14,040 60.9% Franklin Roosevelt* (D) 8,911 38.7% 94 0.4% 23,045 12 16 0.55%
1936 83% Franklin Roosevelt* (D) 10,567 49.5% Alf Landon (R) 9,943 46.6% 832 [+] 3.9% 21,342 7 10 0.54%
1932 80% Franklin Roosevelt (D) 10,728 53.1% Herbert Hoover* (R) 8,963 44.4% 507 [+] 2.5% 20,198 2 5 0.59%
1928 73% Herbert Hoover (R) 11,992 68.0% Al Smith (D) 5,579 31.6% 72 [+] 0.4% 17,643 11 10 0.57%
1924 69% Calvin Coolidge (R) 8,638 53.3% Robert LaFollette (Prog) 5,088 31.4% 2,490 [+] 15.4% 16,216 -6 -1 0.66%
1920 56% Warren Harding (R) 9,570 74.6% James Cox (D) 2,772 21.6% 479 [+] 3.7% 12,821 7 14 0.61%
1916 66% Charles Evans Hughes (R) 8,620 58.4% Woodrow Wilson* (D) 5,463 37.0% 681 [+] 4.6% 14,764 6 12 0.67%
1912 41% Woodrow Wilson (D) 3,850 42.5% Theodore Roosevelt (Prog) 3,476 38.4% 1,734 [+] 19.1% 9,060 -7 -8 0.79%
1908 44% William Taft (R) 4,605 50.9% William J. Bryan (D) 4,076 45.1% 360 [+] 4.0% 9,041 -4 -1 0.78%
1904 43% Theodore Roosevelt (R) 4,876 56.6% Alton Parker (D) 3,275 38.0% 460 [+] 5.3% 8,611 -2 0 0.80%
1900 45% William McKinley* (R) 4,677 52.5% William J. Bryan (D) 3,983 44.7% 250 [+] 2.8% 8,910 0 1 0.79%
* incumbent         PSV: percent of state vote



2020 President, Stephenson County, IL
CandidateVotesPct
Joe Biden (D) 9,055 41.0%
Donald Trump* (R) 12,521 56.6%
Jo Jorgensen (Lbt) 328 1.5%
Other 207 0.9%
TOTAL 22,111
Turnout: 65% Diff (St): 16 Diff (US): 10


2016 President, Stephenson County, IL
CandidateVotesPct
Hillary Clinton (D) 7,768 38.2%
Donald Trump (R) 11,083 54.5%
Gary Johnson (Lbt) 936 4.6%
Jill Stein (Grn) 250 1.2%
Other 306 1.5%
TOTAL 20,343
Turnout: 57% Diff (St): 16 Diff (US): 9


2012 President, Stephenson County, IL
CandidateVotesPct
Barack Obama* (D) 10,165 48.1%
Mitt Romney (R) 10,512 49.8%
Gary Johnson (Lbt) 283 1.3%
Other 168 0.8%
TOTAL 21,128
Turnout: 58% Diff (St): 9 Diff (US): 3


2008 President, Stephenson County, IL
CandidateVotesPct
Barack Obama (D) 11,349 52.4%
John McCain (R) 9,909 45.8%
Ralph Nader (I) 155 0.7%
Bob Barr (Lbt) 84 0.4%
Other 160 0.7%
TOTAL 21,657
Turnout: 59% Diff (St): 9 Diff (US): 0


2004 President, Stephenson County, IL
CandidateVotesPct
George W. Bush* (R) 12,212 57.3%
John Kerry (D) 8,913 41.8%
Other 195 0.9%
TOTAL 21,320
Turnout: 58% Diff (St): 13 Diff (US): 7


2000 President, Stephenson County, IL
CandidateVotesPct
George W. Bush (R) 10,715 55.3%
Albert Gore, Jr. (D) 8,062 41.6%
Ralph Nader (Grn) 476 2.5%
Pat Buchanan (Ref) 63 0.3%
Other 62 0.3%
TOTAL 19,378
Turnout: 53% Diff (St): 13 Diff (US): 7


1996 President, Stephenson County, IL
CandidateVotesPct
Bill Clinton* (D) 7,145 39.4%
Robert Dole (R) 8,871 48.9%
Ross Perot (Ref) 1,940 10.7%
Harry Browne (Lbt) 105 0.6%
Other 64 0.4%
TOTAL 18,125
Turnout: 50% Diff (St): 12 Diff (US): 8


1992 President, Stephenson County, IL
CandidateVotesPct
Bill Clinton (D) 7,899 36.5%
George Bush* (R) 9,005 41.6%
Ross Perot (I) 4,677 21.6%
Other 75 0.3%
TOTAL 21,656
Turnout: 60% Diff (St): 7 Diff (US): 4


1988 President, Stephenson County, IL
CandidateVotesPct
George Bush (R) 11,342 59.9%
Michael Dukakis (D) 7,460 39.4%
Ron Paul (Lbt) 74 0.4%
Other 69 0.4%
TOTAL 18,945
Turnout: 53% Diff (St): 9 Diff (US): 6


1984 President, Stephenson County, IL
CandidateVotesPct
Ronald Reagan* (R) 14,237 67.4%
Walter Mondale (D) 6,723 31.8%
Other 171 0.8%
TOTAL 21,131
Turnout: 59% Diff (St): 11 Diff (US): 9


1980 President, Stephenson County, IL
CandidateVotesPct
Ronald Reagan (R) 10,779 52.9%
Jimmy Carter* (D) 6,195 30.4%
John Anderson (I) 3,145 15.4%
Edward Clark (Lbt) 234 1.1%
Other 35 0.2%
TOTAL 20,388
Turnout: 57% Diff (St): 3 Diff (US): 2


1976 President, Stephenson County, IL
CandidateVotesPct
Jimmy Carter (D) 7,192 37.6%
Gerald Ford* (R) 11,678 61.0%
Eugene McCarthy (I) 213 1.1%
Other 54 0.3%
TOTAL 19,137
Turnout: 57% Diff (St): 11 Diff (US): 13


1972 President, Stephenson County, IL
CandidateVotesPct
Richard Nixon* (R) 13,584 67.9%
George McGovern (D) 6,404 32.0%
Other 31 0.2%
TOTAL 20,019
Turnout: 61% Diff (St): 9 Diff (US): 7


1968 President, Stephenson County, IL
CandidateVotesPct
Richard Nixon (R) 11,821 59.3%
Hubert Humphrey (D) 7,040 35.3%
George Wallace (AIP) 1,050 5.3%
Other 17 0.1%
TOTAL 19,928
Turnout: 66% Diff (St): 12 Diff (US): 16


1964 President, Stephenson County, IL
CandidateVotesPct
Lyndon Johnson* (D) 10,854 54.0%
Barry Goldwater (R) 9,252 46.0%
TOTAL 20,106
Turnout: 68% Diff (St): 5 Diff (US): 8


1960 President, Stephenson County, IL
CandidateVotesPct
John Kennedy (D) 8,055 36.6%
Richard Nixon (R) 13,872 63.1%
Other 68 0.3%
TOTAL 21,995
Turnout: 77% Diff (St): 13 Diff (US): 13


1956 President, Stephenson County, IL
CandidateVotesPct
Dwight Eisenhower* (R) 14,245 69.1%
Adlai Stevenson (D) 6,349 30.8%
Other 20 0.1%
TOTAL 20,614
Turnout: 69% Diff (St): 10 Diff (US): 12


1952 President, Stephenson County, IL
CandidateVotesPct
Dwight Eisenhower (R) 14,446 68.5%
Adlai Stevenson (D) 6,605 31.3%
Other 35 0.2%
TOTAL 21,086
Turnout: 73% Diff (St): 14 Diff (US): 13


1948 President, Stephenson County, IL
CandidateVotesPct
Harry Truman* (D) 7,409 40.9%
Thomas Dewey (R) 10,564 58.3%
Other 149 0.8%
TOTAL 18,122
Turnout: 65% Diff (St): 9 Diff (US): 13


1944 President, Stephenson County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 7,755 39.1%
Thomas Dewey (R) 11,948 60.3%
Other 118 0.6%
TOTAL 19,821
Turnout: 71% Diff (St): 12 Diff (US): 14


1940 President, Stephenson County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 8,911 38.7%
Wendell Willkie (R) 14,040 60.9%
Other 94 0.4%
TOTAL 23,045
Turnout: 84% Diff (St): 12 Diff (US): 16


1936 President, Stephenson County, IL
CandidateVotesPct
Franklin Roosevelt* (D) 10,567 49.5%
Alf Landon (R) 9,943 46.6%
William Lemke (Union) 729 3.4%
Norman Thomas (Soc) 43 0.2%
Other 60 0.3%
TOTAL 21,342
Turnout: 83% Diff (St): 7 Diff (US): 10


1932 President, Stephenson County, IL
CandidateVotesPct
Franklin Roosevelt (D) 10,728 53.1%
Herbert Hoover* (R) 8,963 44.4%
Norman Thomas (Soc) 349 1.7%
Other 158 0.8%
TOTAL 20,198
Turnout: 80% Diff (St): 2 Diff (US): 5


1928 President, Stephenson County, IL
CandidateVotesPct
Herbert Hoover (R) 11,992 68.0%
Al Smith (D) 5,579 31.6%
Norman Thomas (Soc) 62 0.4%
Other 10 0.1%
TOTAL 17,643
Turnout: 73% Diff (St): 11 Diff (US): 10


1924 President, Stephenson County, IL
CandidateVotesPct
Calvin Coolidge (R) 8,638 53.3%
John Davis (D) 2,452 15.1%
Robert LaFollette (Prog) 5,088 31.4%
Other 38 0.2%
TOTAL 16,216
Turnout: 69% Diff (St): -6 Diff (US): -1


1920 President, Stephenson County, IL
CandidateVotesPct
Warren Harding (R) 9,570 74.6%
James Cox (D) 2,772 21.6%
Eugene Debs (Soc) 272 2.1%
Parley Christiansen (FL) 99 0.8%
Aaron Watkins (Proh) 106 0.8%
Other 2 0.0%
TOTAL 12,821
Turnout: 56% Diff (St): 7 Diff (US): 14


1916 President, Stephenson County, IL
CandidateVotesPct
Woodrow Wilson* (D) 5,463 37.0%
Charles Evans Hughes (R) 8,620 58.4%
Allan Benson (Soc) 433 2.9%
James Hanly (Proh) 228 1.5%
Other 20 0.1%
TOTAL 14,764
Turnout: 66% Diff (St): 6 Diff (US): 12


1912 President, Stephenson County, IL
CandidateVotesPct
Woodrow Wilson (D) 3,850 42.5%
Theodore Roosevelt (Prog) 3,476 38.4%
William Taft* (R) 1,367 15.1%
Eugene Debs (Soc) 215 2.4%
Eugene Chafin (Proh) 148 1.6%
Other 4 0.0%
TOTAL 9,060
Turnout: 41% Diff (St): -7 Diff (US): -8


1908 President, Stephenson County, IL
CandidateVotesPct
William Taft (R) 4,605 50.9%
William J. Bryan (D) 4,076 45.1%
Eugene Debs (Soc) 84 0.9%
Eugene Chafin (Proh) 254 2.8%
Thomas Hisgen (I) 10 0.1%
Other 12 0.1%
TOTAL 9,041
Turnout: 44% Diff (St): -4 Diff (US): -1


1904 President, Stephenson County, IL
CandidateVotesPct
Theodore Roosevelt (R) 4,876 56.6%
Alton Parker (D) 3,275 38.0%
Eugene Debs (Soc) 193 2.2%
Silas Swallow (Proh) 237 2.8%
Thomas Watson (Pop) 13 0.2%
Other 17 0.2%
TOTAL 8,611
Turnout: 43% Diff (St): -2 Diff (US): 0


1900 President, Stephenson County, IL
CandidateVotesPct
William McKinley* (R) 4,677 52.5%
William J. Bryan (D) 3,983 44.7%
John Woolley (Proh) 234 2.6%
Eugene Debs (Soc) 10 0.1%
Other 6 0.1%
TOTAL 8,910
Turnout: 45% Diff (St): 0 Diff (US): 1
* incumbent

Historical Statewide Election Results for Stephenson 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) 9,393 56.4% Tammy Duckworth* (D) 6,914 41.5% 337 [+] 2.0% 16,644 15 0.41%
2022 G 49% Darren Bailey (R) 9,897 59.1% J.B. Pritzker* (D) 6,303 37.6% 543 [+] 3.2% 16,743 17 0.41%
2020 S2 64% Mark Curran (R) 11,954 54.8% Richard Durbin* (D) 9,043 41.5% 801 [+] 3.7% 21,798 16 0.37%
2018 G 46% Bruce Rauner* (R) 8,560 52.9% J.B. Pritzker (D) 5,760 35.6% 1,874 [+] 11.6% 16,194 14 0.36%
2016 S3 56% Mark Kirk* (R) 11,453 57.0% Tammy Duckworth (D) 7,411 36.9% 1,240 [+] 6.2% 20,104 17 0.37%
2014 S2 40% Jim Oberweis (R) 8,080 55.8% Richard Durbin* (D) 5,728 39.5% 680 [+] 4.7% 14,488 13 0.40%
2014 G 41% Bruce Rauner (R) 9,338 63.8% Pat Quinn* (D) 4,558 31.1% 750 [+] 5.1% 14,646 13 0.40%
2010 S3 39% Mark Kirk (R) 8,711 59.9% Alexi Giannoulias (D) 4,174 28.7% 1,666 [+] 11.4% 14,551 12 0.39%
2010 G 40% Bill Brady (R) 9,293 63.3% Pat Quinn* (D) 4,209 28.6% 1,190 [+] 8.1% 14,692 17 0.39%
2008 S2 56% Richard Durbin* (D) 12,033 58.6% Steve Sauerberg (R) 7,703 37.5% 790 [+] 3.8% 20,526 9 0.39%
2006 G 36% Judy Baar Topinka (R) 5,773 43.4% Rod Blagojevich* (D) 5,163 38.8% 2,374 [+] 17.8% 13,310 4 0.38%
2004 S3 56% Barack Obama (D) 12,244 59.1% Alan Keyes (R) 7,882 38.0% 589 [+] 2.8% 20,715 11 0.40%
2002 S2 38% Jim Durkin (R) 6,914 50.0% Richard Durbin* (D) 6,656 48.1% 254 [+] 1.8% 13,824 12 0.40%
2002 G 38% Jim Ryan (R) 8,047 57.5% Rod Blagojevich (D) 5,358 38.3% 601 [+] 4.3% 14,006 12 0.40%
1998 S3 36% Peter Fitzgerald (R) 9,117 68.9% Carol Moseley-Braun* (D) 3,730 28.2% 390 [+] 2.9% 13,237 19 0.39%
1998 G 36% George Ryan (R) 8,251 62.6% Glenn Poshard (D) 4,697 35.6% 231 [+] 1.8% 13,179 12 0.39%
1996 S2 49% Al Salvi (R) 10,183 56.9% Richard Durbin (D) 6,826 38.2% 874 [+] 4.9% 17,883 16 0.42%
1994 G 38% Jim Edgar* (R) 10,372 76.5% Dawn Clark Netsch (D) 2,773 20.5% 413 [+] 3.0% 13,558 13 0.44%
1992 S3 59% Richard Williamson (R) 10,936 52.0% Carol Moseley-Braun (D) 8,820 42.0% 1,260 [+] 6.0% 21,016 9 0.43%
1990 S2 41% Paul Simon* (D) 8,586 59.1% Lynn Martin (R) 5,954 40.9% 0 0.0% 14,540 6 0.45%
1990 G 40% Jim Edgar (R) 8,654 60.1% Neil Hartigan (D) 5,616 39.0% 122 [+] 0.8% 14,392 9 0.44%
1986 S3 41% Alan Dixon* (D) 8,564 58.3% Judy Koehler (R) 5,974 40.6% 164 [+] 1.1% 14,702 7 0.47%
1986 G 42% James Thompson* (R) 8,662 58.5% Adlai Stevenson III (Illinois Solidarity) 5,262 35.6% 876 [+] 5.9% 14,800 6 0.47%
1984 S2 59% Charles Percy* (R) 12,613 60.1% Paul Simon (D) 7,912 37.7% 453 [+] 2.2% 20,978 12 0.44%
1982 G 43% James Thompson* (R) 8,754 57.7% Adlai Stevenson III (D) 6,157 40.6% 251 [+] 1.7% 15,162 8 0.41%
1980 S3 56% David O'Neal (R) 9,973 49.8% Alan Dixon (D) 9,782 48.9% 257 [+] 1.3% 20,012 7 0.44%
1978 S2 35% Charles Percy* (R) 7,042 60.6% Alex Seith (D) 4,467 38.5% 108 [+] 0.9% 11,617 7 0.36%
1978 G 34% James Thompson* (R) 8,026 69.6% Michael Bakalis (D) 3,438 29.8% 62 [+] 0.5% 11,526 11 0.37%
1976 G 56% James Thompson (R) 14,893 80.0% Michael Howlitt (D) 3,671 19.7% 56 [+] 0.3% 18,620 15 0.40%
1974 S3 32% Adlai Stevenson III* (D) 5,712 53.7% George Burditt (R) 4,861 45.7% 63 [+] 0.6% 10,636 8 0.36%
1972 S2 58% Charles Percy* (R) 14,116 73.6% Roman Pucinski (D) 5,047 26.3% 16 [+] 0.1% 19,179 11 0.42%
1972 G 61% Richard Ogilvie* (R) 10,061 50.3% Daniel Walker (D) 9,912 49.6% 16 [+] 0.1% 19,989 1 0.43%
1970 S3 47% Ralph Smith* (R) 7,465 51.8% Adlai Stevenson III (D) 6,931 48.1% 15 [+] 0.1% 14,411 10 0.40%
1968 S3 64% Everett Dirksen* (R) 12,927 66.9% William Clark (D) 6,385 33.0% 14 [+] 0.1% 19,326 14 0.43%
1968 G 65% Richard Ogilvie (R) 12,434 64.0% Samuel Shapiro* (D) 6,961 35.8% 24 [+] 0.1% 19,419 13 0.43%
1966 S2 50% Charles Percy (R) 9,774 65.3% Paul Douglas* (D) 5,201 34.7% 0 0.0% 14,975 10 0.39%
1964 G 68% Charles Percy (R) 10,734 53.9% Otto Kerner* (D) 9,194 46.1% 0 0.0% 19,928 6 0.43%
1962 S3 48% Everett Dirksen* (R) 9,141 66.1% Sidney Yates (D) 4,683 33.9% 0 0.0% 13,824 13 0.37%
1960 S2 74% Samuel Witwer (R) 11,698 54.9% Paul Douglas* (D) 9,561 44.9% 50 [+] 0.2% 21,309 10 0.46%
1960 G 75% William Stratton* (R) 12,469 58.3% Otto Kerner (D) 8,882 41.5% 50 [+] 0.2% 21,401 14 0.46%
*: 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 Stephenson 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) 3,688 73.7% Elizabeth Haderlein (D) 1,313 26.3% 0 0.0% 5,001
2022-11-08 IL17Esther King (R) 6,427 55.7% Eric Sorenson (D) 5,106 44.3% 0 0.0% 11,533
County Total for 2022-11-08:   16,534
2020-11-03 IL17Esther King (R) 12,261 56.0% Cheri Bustos* (D) 9,646 44.0% 0 0.0% 21,907
County Total for 2020-11-03:   21,907
2018-11-06 IL17Cheri Bustos* (D) 8,658 52.9% Bill Fawell (R) 7,696 47.1% 0 0.0% 16,354
County Total for 2018-11-06:   16,354
2016-11-08 IL17Cheri Bustos* (D) 10,341 51.9% Patrick Harlan (R) 9,602 48.1% 0 0.0% 19,943
County Total for 2016-11-08:   19,943
2014-11-04 IL17Cheri Bustos* (D) 7,633 52.4% Bobby Schilling (R) 6,929 47.6% 0 0.0% 14,562
County Total for 2014-11-04:   14,562
2012-11-06 IL17Bobby Schilling* (R) 11,260 55.1% Cheri Bustos (D) 9,189 44.9% 1 0.0% 20,450
County Total for 2012-11-06:   20,450
2010-11-02 IL16Donald Manzullo* (R) 8,987 60.7% George Gaulrapp (D) 5,250 35.5% 567 3.8% 14,804
County Total for 2010-11-02:   14,804
2008-11-04 IL16Donald Manzullo* (R) 13,804 65.6% Robert Abboud (D) 6,787 32.3% 447 2.1% 21,038
County Total for 2008-11-04:   21,038
2006-11-07 IL16Donald Manzullo* (R) 8,592 64.2% Richard Auman (D) 3,834 28.7% 956 7.1% 13,382
County Total for 2006-11-07:   13,382
2004-11-02 IL16Donald Manzullo* (R) 15,675 75.0% John Kutsch (D) 5,236 25.0% 0 0.0% 20,911
County Total for 2004-11-02:   20,911
2002-11-05 IL16Donald Manzullo* (R) 10,450 74.5% John Kutsch (D) 3,573 25.5% 0 0.0% 14,023
County Total for 2002-11-05:   14,023
2000-11-07 IL16Donald Manzullo* (R) 12,650 66.4% Charles Hendrickson (D) 6,377 33.5% 15 0.1% 19,042
County Total for 2000-11-07:   19,042
1998-11-03 IL16Donald Manzullo* (R) 10,976 100.0% 0 0.0% 10,976
County Total for 1998-11-03:   10,976
1996-11-05 IL16Donald Manzullo* (R) 10,803 60.3% Catherine Lee (D) 7,117 39.7% 0 0.0% 17,920
County Total for 1996-11-05:   17,920
1994-11-08 IL16Donald Manzullo* (R) 9,652 71.3% Pete Sullivan (D) 3,894 28.7% 0 0.0% 13,546
County Total for 1994-11-08:   13,546
1992-11-03 IL16Donald Manzullo (R) 11,985 56.2% John Cox* (D) 9,331 43.8% 0 0.0% 21,316
County Total for 1992-11-03:   21,316
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Stephenson County, IL

Party registration is not used in this state, however as of 2022 registrations in Stephenson County, IL were estimated to be 40% Republican and 24% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2022 28,385 0 0.0% 0 0.0% 28,385 100.0% n/a n/a 83%
2020 33,376 0 0.0% 0 0.0% 33,376 100.0% n/a n/a 97%
2018 34,400 0 0.0% 0 0.0% 34,400 100.0% n/a n/a 99%
2016 34,181 0 0.0% 0 0.0% 34,181 100.0% n/a n/a 97%
2012 33,328 0 0.0% 0 0.0% 33,328 100.0% n/a n/a 92%
2010 34,930 0 0.0% 0 0.0% 34,930 100.0% n/a n/a 95%
2008 34,535 0 0.0% 0 0.0% 34,535 100.0% n/a n/a 94%
2006 32,043 0 0.0% 0 0.0% 32,043 100.0% n/a n/a 87%
2004 32,772 0 0.0% 0 0.0% 32,772 100.0% n/a n/a 89%
2000 30,059 0 0.0% 0 0.0% 30,059 100.0% n/a n/a 82%
1994 25,122 0 0.0% 0 0.0% 25,122 100.0% n/a n/a 70%
1986 26,401 0 0.0% 0 0.0% 26,401 100.0% n/a n/a 74%
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.