Adams County, Illinois
AkashicAdams County, ILTrumpR+47.4
2024 precinct map of Adams CountyPrecinct-level 2024 presidential results for Adams County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 72.9% | 23,161 |
|---|---|---|
| Kamala HarrisDemocratic | 25.5% | 8,111 |
| Robert F Kennedy Jr.Independent | 1.5% | 472 |
Harris +50Trump +50
74 precincts · 31,766 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 25.5%Harris8,111 | 72.9%Trump23,161 | 1.5%Kennedy472 | 31,766 | ||
| R | 25.7%Biden8,633 | 72.2%Trump24,220 | 1.4%Jorgensen483 | 33,527 | ||
| R | 23.8%Clinton7,676 | 70.5%Trump22,790 | 3.6%Johnson1,168 | 32,310 | ||
| R | 31.4%Obama9,648 | 66.5%Romney20,416 | 1.2%JOHNSON377 | 30,697 | ||
| R | 38.3%Obama11,794 | 60.7%McCain18,711 | 1.0%Nader318 | 30,823 | ||
| R | 33.4%Kerry10,511 | 66.2%Bush20,834 | 0.4%Badnarik132 | 31,477 | ||
| R | 40.5%Gore12,197 | 57.6%Bush17,331 | 1.2%Nader371 | 30,109 | ||
| R | 39.9%Clinton11,336 | 48.7%Dole13,836 | 10.8%Perot3,069 | 28,411 | ||
| R | 37.2%Clinton11,748 | 42.8%Bush13,529 | 19.5%Perot6,157 | 31,579 | ||
| R | 46.3%Dukakis13,768 | 53.3%Bush15,831 | 0.4%Paul111 | 29,710 | ||
| R | 33.7%Mondale10,336 | 66.0%Reagan20,225 | 0.3%Bergland88 | 30,649 | ||
| R | 33.2%Carter10,606 | 62.2%Reagan19,842 | 4.6%Anderson1,469 | 31,917 | ||
| R | 39.1%Carter11,926 | 59.7%Ford18,189 | 1.2%McCarthy370 | 30,485 | ||
| R | 30.3%McGovern9,055 | 69.5%Nixon20,731 | 0.2%Schmitz60 | 29,846 | ||
| R | 35.9%Humphrey11,521 | 54.3%Nixon17,444 | 9.8%Wallace3,143 | 32,108 | ||
| D | 56.7%Johnson18,321 | 43.3%Goldwater13,993 | 0.0% | 32,314 | ||
| R | 44.2%Kennedy14,827 | 55.7%Nixon18,674 | 0.1%Byrd28 | 33,529 | ||
| R | 36.8%Stevenson11,402 | 63.1%Eisenhower19,569 | 0.1%Andrews32 | 31,003 | ||
| R | 40.3%Stevenson13,301 | 59.6%Eisenhower19,652 | 0.1%Hallinan21 | 32,974 | ||
| D | 50.8%Truman14,960 | 48.7%Dewey14,329 | 0.5%Thurmond152 | 29,441 | ||
| R | 46.6%Roosevelt13,733 | 52.9%Dewey15,564 | 0.5%Thomas142 | 29,439 | ||
| R | 47.8%Roosevelt17,361 | 50.9%Willkie18,480 | 1.4%Thomas492 | 36,333 | ||
| D | 56.3%Roosevelt18,857 | 39.2%Landon13,114 | 4.5%Lemke1,502 | 33,473 | ||
| D | 66.6%Roosevelt21,098 | 32.0%Hoover10,134 | 1.4%Thomas437 | 31,669 | ||
| R | 45.4%Smith13,215 | 53.6%Hoover15,590 | 1.0%Thomas288 | 29,093 | ||
| R | 35.4%Davis8,628 | 40.9%Coolidge9,985 | 23.7%La Follette5,791 | 24,404 | ||
| R | 32.1%Cox7,222 | 57.1%Harding12,852 | 10.9%Debs2,447 | 22,521 | ||
| D | 53.3%Wilson14,268 | 44.3%Hughes11,858 | 2.4%Benson652 | 26,778 | ||
| D | 48.7%Wilson6,952 | 19.2%Taft2,733 | 32.1%Roosevelt4,578 | 14,263 | ||
| D | 50.8%Bryan8,294 | 44.3%Taft7,233 | 4.8%Debs787 | 16,314 | ||
| R | 41.5%Parker6,149 | 49.1%Roosevelt7,277 | 9.5%Debs1,408 | 14,834 | ||
| D | 51.4%Bryan8,844 | 46.8%McKinley8,047 | 1.8%Woolley301 | 17,192 | ||
| R | 47.7%Bryan8,025 | 50.3%McKinley8,447 | 2.0%Palmer336 | 16,808 | ||
| D | 53.5%Cleveland7,746 | 42.0%Harrison6,081 | 4.5%Weaver657 | 14,484 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +11.5% |
| 1896 | −2.5% |
| 1900 | +4.6% |
| 1904 | −7.6% |
| 1908 | +6.5% |
| 1912 | +29.6% |
| 1916 | +9.0% |
| 1920 | −25.0% |
| 1924 | −5.6% |
| 1928 | −8.2% |
| 1932 | +34.6% |
| 1936 | +17.2% |
| 1940 | −3.1% |
| 1944 | −6.2% |
| 1948 | +2.1% |
| 1952 | −19.3% |
| 1956 | −26.3% |
| 1960 | −11.5% |
| 1964 | +13.4% |
| 1968 | −18.4% |
| 1972 | −39.1% |
| 1976 | −20.5% |
| 1980 | −28.9% |
| 1984 | −32.3% |
| 1988 | −6.9% |
| 1992 | −5.6% |
| 1996 | −8.8% |
| 2000 | −17.1% |
| 2004 | −32.8% |
| 2008 | −22.4% |
| 2012 | −35.1% |
| 2016 | −46.8% |
| 2020 | −46.5% |
| 2024 | −47.4% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 52,201 |
| 2018 | 47,811 |
| 2020 | 48,805 |
| 2022 | 43,037 |
| 2024 | 49,421 |
Source: U.S. Election Assistance Commission (EAVS)
Adams County, anchored by Quincy on the Mississippi River, has shifted steadily rightward over two decades — its 2024 presidential margin of R+47.4 places it among the state's most lopsided counties despite a mid-sized urban core.
Across the recorded series it reached a Democratic high of 34.6 points in 1932 and a Republican high of 47.4 points in 2024. Between 2020 and 2024 the county moved 0.9 points toward the Republican candidate; the 2024 margin was 47.4 points.
A population of 64,754, a 90% non-Hispanic-white share, and a median household income of $66,220 describe the county. The county's voting pattern over the last decade is most similar to that of Neosho County and Webster County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Adams County, Illinois. Akashic. https://akashic.app/county/17001/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Adams County
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Frequently asked questions
How did Adams County, Illinois vote in 2024?
In 2024, Adams County, Illinois voted Republican by 47.4 points (R+47.4), carried by the Republican candidate. Out of 31,766 votes cast, 8,111 went Democratic and 23,161 went Republican.
When did Adams County, Illinois last vote Democratic?
The most recent presidential election in which Adams County, Illinois voted Democratic was 1964.
How many people live in Adams County, Illinois?
Adams County, Illinois has a population of 64,754 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Adams County, Illinois?
Median household income in Adams County, Illinois is $66,220 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Adams County, Illinois?
Akashic tracks 38 presidential elections in Adams County, Illinois from 1876 to 2024. Of those, 9 went Democratic and 25 went Republican.