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Johnson County, IL


Metropolitan Statistical Area: Carbondale-Marion, IL
Designated Market Area: Paducah-Cape Girardeau-Harrisburg, KY-MO-IL-TN
USDA County Type (2025): Government, Low Employment
American Communities Project County Type (2023): Working Class Country

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

 

Tracts in Johnson County, IL

   



Click here to view demographic data for Johnson County, IL

2024 population: 13,320   ( 13 from 2020)
Land area: 343.7 square miles
Population density: 38.8 persons per square mile

2024 Census data
White:10,776 80.90% 1.7%
Black:1,67112.55% 4.0%
Indian:380.29% 46.2%
Asian:370.28% 8.8%
2+ races:1571.18% 7.5%
Hispanic:6414.81% 19.1%
Total non-White:2,54419.10% 8.3%

2020-2024 ComponentsNumberRate
Births:456 8.6
Deaths:70113.2
Net Migration: 2314.3
Net Immigration: 390.7
Change in White population:-181 -1.4
Change in Non-White pop.:194 1.5



Historical Presidential Election Results for Johnson County, IL

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R -261 D +221 D + 0.7%
D -40
2024 vs. 2016 R +149 R +50 D + 1.7%
D +99
2020 vs. 2016 R +410 R +271 D + 1.0%
D +139
2024 vs. 2012 R +835 R +1,166 R + 15.7%
D -331
2016 vs. 2008 R +737 R +1,466 R + 25.3%
D -729
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
2024 56% Donald Trump (R) 4,798 78.6% Kamala Harris (D) 1,241 20.3% 64 [+] 1.0% 6,103 35 29 0.11%
2020 60% Donald Trump* (R) 5,059 78.4% Joe Biden (D) 1,281 19.9% 110 [+] 1.7% 6,450 38 32 0.11%
2016 58% Donald Trump (R) 4,649 76.4% Hillary Clinton (D) 1,142 18.8% 298 [+] 4.9% 6,089 38 30 0.11%
2012 55% Mitt Romney (R) 3,963 69.6% Barack Obama* (D) 1,572 27.6% 159 [+] 2.8% 5,694 29 22 0.11%
2008 58% John McCain (R) 3,912 66.1% Barack Obama (D) 1,871 31.6% 131 [+] 2.2% 5,914 29 21 0.11%
2004 57% George W. Bush* (R) 3,997 68.2% John Kerry (D) 1,813 30.9% 55 [+] 0.9% 5,865 24 17 0.11%
2000 51% George W. Bush (R) 3,285 61.3% Albert Gore, Jr. (D) 1,928 36.0% 149 [+] 2.8% 5,362 19 13 0.11%
1996 50% Robert Dole (R) 2,241 45.5% Bill Clinton* (D) 2,009 40.8% 680 [+] 13.8% 4,930 9 5 0.11%
1992 57% Bill Clinton (D) 2,299 42.6% George Bush* (R) 2,124 39.4% 968 [+] 18.0% 5,391 5 2 0.11%
1988 54% George Bush (R) 2,797 59.6% Michael Dukakis (D) 1,872 39.9% 23 [+] 0.5% 4,692 9 6 0.10%
1984 64% Ronald Reagan* (R) 3,424 67.4% Walter Mondale (D) 1,647 32.4% 12 0.2% 5,083 11 9 0.11%
1980 68% Ronald Reagan (R) 3,201 65.5% Jimmy Carter* (D) 1,586 32.4% 101 [+] 2.1% 4,888 16 15 0.10%
1976 74% Gerald Ford* (R) 2,417 52.2% Jimmy Carter (D) 2,182 47.1% 29 [+] 0.6% 4,628 2 4 0.10%
1972 73% Richard Nixon* (R) 2,826 68.5% George McGovern (D) 1,293 31.4% 4 [+] 0.1% 4,123 10 8 0.09%
1968 82% Richard Nixon (R) 2,406 60.5% Hubert Humphrey (D) 1,143 28.8% 426 [+] 10.7% 3,975 13 17 0.09%
1964 85% Barry Goldwater (R) 2,217 55.6% Lyndon Johnson* (D) 1,770 44.4% 0 0.0% 3,987 15 17 0.08%
1960 93% Richard Nixon (R) 2,778 66.2% John Kennedy (D) 1,413 33.7% 6 0.1% 4,197 16 17 0.09%
1956 83% Dwight Eisenhower* (R) 2,973 65.7% Adlai Stevenson (D) 1,549 34.2% 2 0.0% 4,524 6 8 0.10%
1952 83% Dwight Eisenhower (R) 3,327 67.3% Adlai Stevenson (D) 1,614 32.6% 6 0.1% 4,947 12 12 0.11%
1948 66% Thomas Dewey (R) 2,778 64.5% Harry Truman* (D) 1,510 35.0% 21 [+] 0.5% 4,309 15 19 0.11%
1944 69% Thomas Dewey (R) 3,298 68.2% Franklin Roosevelt* (D) 1,522 31.5% 13 0.3% 4,833 20 22 0.12%
1940 80% Wendell Willkie (R) 3,827 62.8% Franklin Roosevelt* (D) 2,254 37.0% 13 0.2% 6,094 14 18 0.14%
1936 87% Alf Landon (R) 3,537 58.5% Franklin Roosevelt* (D) 2,497 41.3% 16 [+] 0.3% 6,050 19 22 0.15%
1932 71% Herbert Hoover* (R) 2,424 49.9% Franklin Roosevelt (D) 2,387 49.1% 50 [+] 1.0% 4,861 8 10 0.14%
1928 61% Herbert Hoover (R) 2,892 70.7% Al Smith (D) 1,163 28.4% 36 [+] 0.9% 4,091 14 12 0.13%
1924 57% Calvin Coolidge (R) 2,468 60.6% John Davis (D) 1,408 34.6% 197 [+] 4.8% 4,073 2 7 0.16%
1920 55% Warren Harding (R) 2,972 70.9% James Cox (D) 1,137 27.1% 82 [+] 2.0% 4,191 3 11 0.20%
1916 65% Charles Evans Hughes (R) 3,273 62.6% Woodrow Wilson* (D) 1,822 34.8% 135 [+] 2.6% 5,230 10 16 0.24%
1912 34% William Taft* (R) 1,025 35.1% Woodrow Wilson (D) 952 32.6% 946 [+] 32.4% 2,923 13 12 0.26%
1908 35% William Taft (R) 1,913 62.3% William J. Bryan (D) 1,055 34.3% 104 [+] 3.4% 3,072 8 11 0.27%
1904 37% Theodore Roosevelt (R) 2,164 65.2% Alton Parker (D) 980 29.5% 177 [+] 5.3% 3,321 6 9 0.31%
1900 36% William McKinley* (R) 1,940 59.0% William J. Bryan (D) 1,271 38.7% 76 [+] 2.3% 3,287 6 7 0.29%
* incumbent         PSV: percent of state vote

Historical Statewide Election Results for Johnson County, IL

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 44% Kathy Salvi (R) 3,690 76.7% Tammy Duckworth* (D) 1,052 21.9% 71 [+] 1.5% 4,813 35 0.12%
2022 G 45% Darren Bailey (R) 3,878 80.1% J.B. Pritzker* (D) 868 17.9% 95 [+] 2.0% 4,841 38 0.12%
2020 S2 59% Mark Curran (R) 4,626 73.0% Richard Durbin* (D) 1,559 24.6% 148 [+] 2.3% 6,333 34 0.11%
2018 G 49% Bruce Rauner* (R) 3,013 58.0% J.B. Pritzker (D) 1,427 27.5% 756 [+] 14.5% 5,196 19 0.11%
2016 S3 56% Mark Kirk* (R) 3,572 60.2% Tammy Duckworth (D) 2,056 34.6% 309 [+] 5.2% 5,937 20 0.11%
2014 S2 44% Jim Oberweis (R) 2,924 64.3% Richard Durbin* (D) 1,418 31.2% 205 [+] 4.5% 4,547 22 0.13%
2014 G 44% Bruce Rauner (R) 3,170 69.5% Pat Quinn* (D) 1,099 24.1% 295 [+] 6.5% 4,564 19 0.13%
2010 S3 45% Mark Kirk (R) 3,094 67.8% Alexi Giannoulias (D) 1,157 25.4% 313 [+] 6.9% 4,564 20 0.12%
2010 G 46% Bill Brady (R) 3,021 64.7% Pat Quinn* (D) 1,309 28.1% 336 [+] 7.2% 4,666 19 0.13%
2008 S2 56% Steve Sauerberg (R) 2,693 47.2% Richard Durbin* (D) 2,667 46.8% 340 [+] 6.0% 5,700 19 0.11%
2006 G 43% Judy Baar Topinka (R) 2,090 47.4% Rod Blagojevich* (D) 1,695 38.5% 623 [+] 14.1% 4,408 8 0.13%
2004 S3 54% Barack Obama (D) 2,781 49.9% Alan Keyes (R) 2,617 46.9% 178 [+] 3.2% 5,576 20 0.11%
2002 S2 44% Jim Durkin (R) 2,369 51.5% Richard Durbin* (D) 2,145 46.6% 89 [+] 1.9% 4,603 13 0.13%
2002 G 46% Jim Ryan (R) 2,717 56.6% Rod Blagojevich (D) 2,005 41.7% 82 [+] 1.7% 4,804 11 0.14%
1998 S3 45% Peter Fitzgerald (R) 3,040 66.5% Carol Moseley-Braun* (D) 1,411 30.9% 121 [+] 2.6% 4,572 16 0.13%
1998 G 48% Glenn Poshard (D) 3,345 68.9% George Ryan (R) 1,480 30.5% 27 [+] 0.6% 4,852 -21 0.14%
1996 S2 48% Al Salvi (R) 2,451 51.1% Richard Durbin (D) 2,132 44.5% 210 [+] 4.4% 4,793 10 0.11%
1994 G 43% Jim Edgar* (R) 3,119 74.5% Dawn Clark Netsch (D) 977 23.3% 92 [+] 2.2% 4,188 11 0.13%
1992 S3 55% Richard Williamson (R) 2,780 53.7% Carol Moseley-Braun (D) 2,234 43.1% 166 [+] 3.2% 5,180 11 0.10%
1990 S2 47% Paul Simon* (D) 2,867 67.5% Lynn Martin (R) 1,380 32.5% 0 0.0% 4,247 -2 0.13%
1990 G 47% Jim Edgar (R) 2,170 50.4% Neil Hartigan (D) 2,112 49.0% 25 [+] 0.6% 4,307 0 0.13%
1986 S3 49% Alan Dixon* (D) 2,184 53.3% Judy Koehler (R) 1,876 45.7% 41 [+] 1.0% 4,101 12 0.13%
1986 G 51% James Thompson* (R) 2,455 57.8% Adlai Stevenson III (Illinois Solidarity) 1,588 37.4% 207 [+] 4.9% 4,250 5 0.14%
1984 S2 64% Charles Percy* (R) 2,691 52.9% Paul Simon (D) 2,367 46.5% 31 [+] 0.6% 5,089 5 0.11%
1982 G 54% James Thompson* (R) 2,529 61.2% Adlai Stevenson III (D) 1,569 38.0% 33 [+] 0.8% 4,131 12 0.11%
1980 S3 63% David O'Neal (R) 2,458 54.3% Alan Dixon (D) 2,054 45.4% 12 [+] 0.3% 4,524 12 0.10%
1978 S2 57% Alex Seith (D) 1,897 50.6% Charles Percy* (R) 1,852 49.4% 3 [+] 0.1% 3,752 -4 0.12%
1978 G 59% James Thompson* (R) 2,257 58.2% Michael Bakalis (D) 1,614 41.6% 5 [+] 0.1% 3,876 -1 0.12%
1976 G 73% James Thompson (R) 3,073 67.6% Michael Howlitt (D) 1,467 32.3% 6 [+] 0.1% 4,546 3 0.10%
1974 S3 58% George Burditt (R) 1,787 52.2% Adlai Stevenson III* (D) 1,623 47.4% 11 [+] 0.3% 3,421 15 0.12%
1972 S2 70% Charles Percy* (R) 2,633 66.6% Roman Pucinski (D) 1,318 33.3% 2 [+] 0.1% 3,953 4 0.09%
1972 G 74% Richard Ogilvie* (R) 2,385 57.0% Daniel Walker (D) 1,791 42.8% 5 [+] 0.1% 4,181 8 0.09%
1970 S3 72% Ralph Smith* (R) 2,231 62.7% Adlai Stevenson III (D) 1,330 37.3% 0 0.0% 3,561 20 0.10%
1968 S3 78% Everett Dirksen* (R) 2,552 67.9% William Clark (D) 1,199 31.9% 6 [+] 0.2% 3,757 15 0.08%
1968 G 80% Richard Ogilvie (R) 2,510 64.7% Samuel Shapiro* (D) 1,365 35.2% 5 [+] 0.1% 3,880 13 0.09%
1966 S2 74% Charles Percy (R) 2,250 64.2% Paul Douglas* (D) 1,256 35.8% 0 0.0% 3,506 9 0.09%
1964 G 86% Charles Percy (R) 2,382 59.4% Otto Kerner* (D) 1,628 40.6% 0 0.0% 4,010 11 0.09%
1962 S3 83% Everett Dirksen* (R) 2,323 60.7% Sidney Yates (D) 1,501 39.3% 0 0.0% 3,824 8 0.10%
1960 S2 86% Samuel Witwer (R) 2,266 58.2% Paul Douglas* (D) 1,626 41.7% 4 [+] 0.1% 3,896 13 0.08%
1960 G 91% William Stratton* (R) 2,445 59.6% Otto Kerner (D) 1,651 40.3% 4 [+] 0.1% 4,100 15 0.09%
*: 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 Johnson County, IL

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 IL12Mike Bost* (R) 4,930 81.7% Brian Roberts (D) 1,104 18.3% 0 0.0% 6,034
County Total for 2024-11-05:   6,034
2022-11-08 IL12Mike Bost* (R) 4,010 83.1% Chip Markel (D) 815 16.9% 0 0.0% 4,825
County Total for 2022-11-08:   4,825
2020-11-03 IL15Mary Miller (R) 4,968 79.6% Erika Weaver (D) 1,270 20.4% 0 0.0% 6,238
County Total for 2020-11-03:   6,238
2018-11-06 IL15John Shimkus* (R) 3,948 76.3% Kevin Gaither (D) 1,223 23.7% 0 0.0% 5,171
County Total for 2018-11-06:   5,171
2016-11-08 IL15John Shimkus* (R) 5,199 100.0% 0 0.0% 5,199
County Total for 2016-11-08:   5,199
2014-11-04 IL15John Shimkus* (R) 3,563 78.7% Eric Thorsland (D) 962 21.3% 0 0.0% 4,525
County Total for 2014-11-04:   4,525
2012-11-06 IL15John Shimkus* (R) 4,127 74.7% Angela Michael (D) 1,401 25.3% 0 0.0% 5,528
County Total for 2012-11-06:   5,528
2010-11-02 IL19John Shimkus* (R) 3,432 75.3% Tim Bagwell (D) 1,124 24.7% 0 0.0% 4,556
County Total for 2010-11-02:   4,556
2008-11-04 IL19John Shimkus* (R) 3,894 68.4% Daniel Davis (D) 1,621 28.5% 178 3.1% 5,693
County Total for 2008-11-04:   5,693
2006-11-07 IL19John Shimkus* (R) 2,854 64.7% Danny Stover (D) 1,558 35.3% 0 0.0% 4,412
County Total for 2006-11-07:   4,412
2004-11-02 IL19John Shimkus* (R) 3,918 70.9% Tim Bagwell (D) 1,607 29.1% 0 0.0% 5,525
County Total for 2004-11-02:   5,525
2002-11-05 IL19David Phelps* (D) 2,881 58.3% John Shimkus* (R) 2,058 41.7% 0 0.0% 4,939
County Total for 2002-11-05:   4,939
2000-11-07 IL19David Phelps* (D) 3,206 61.2% Jim Eatherly (R) 2,034 38.8% 0 0.0% 5,240
County Total for 2000-11-07:   5,240
1998-11-03 IL19David Phelps (D) 2,733 56.6% Brent Winters (R) 2,094 43.4% 0 0.0% 4,827
County Total for 1998-11-03:   4,827
1996-11-05 IL19Glenn Poshard* (D) 3,072 63.6% Brent Winters (R) 1,665 34.5% 93 1.9% 4,830
County Total for 1996-11-05:   4,830
1994-11-08 IL19Glenn Poshard* (D) 2,403 56.3% Brent Winters (R) 1,862 43.7% 0 0.0% 4,265
County Total for 1994-11-08:   4,265
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Johnson County, IL

Party registration is not used in this state, however as of 2022 registrations in Johnson County, IL were estimated to be 55% Republican and 14% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2024 8,218 0 0.0% 0 0.0% 8,218 100.0% n/a n/a 76%
2022 8,118 0 0.0% 0 0.0% 8,118 100.0% n/a n/a 75%
2020 8,576 0 0.0% 0 0.0% 8,576 100.0% n/a n/a 79%
2018 8,925 0 0.0% 0 0.0% 8,925 100.0% n/a n/a 83%
2016 8,661 0 0.0% 0 0.0% 8,661 100.0% n/a n/a 82%
2012 8,172 0 0.0% 0 0.0% 8,172 100.0% n/a n/a 79%
2010 8,083 0 0.0% 0 0.0% 8,083 100.0% n/a n/a 80%
2008 7,984 0 0.0% 0 0.0% 7,984 100.0% n/a n/a 78%
2006 7,512 0 0.0% 0 0.0% 7,512 100.0% n/a n/a 73%
2004 7,463 0 0.0% 0 0.0% 7,463 100.0% n/a n/a 72%
2000 8,215 0 0.0% 0 0.0% 8,215 100.0% n/a n/a 78%
1994 6,982 0 0.0% 0 0.0% 6,982 100.0% n/a n/a 72%
1986 6,777 0 0.0% 0 0.0% 6,777 100.0% n/a n/a 81%
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.