Jo Daviess County, Illinois
AkashicJo Daviess County, ILTrumpR+16.8
2024 precinct map of Jo Daviess CountyPrecinct-level 2024 presidential results for Jo Daviess 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 | 57.5% | 7,136 |
|---|---|---|
| Kamala HarrisDemocratic | 40.7% | 5,051 |
| Robert F Kennedy Jr.Independent | 1.6% | 198 |
Harris +50Trump +50
28 precincts · 12,414 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 | 40.7%Harris5,051 | 57.5%Trump7,136 | 1.6%Kennedy198 | 12,414 | ||
| R | 40.8%Biden5,109 | 57.2%Trump7,166 | 1.0%Jorgensen125 | 12,525 | ||
| R | 39.4%Clinton4,462 | 54.0%Trump6,121 | 4.4%Johnson500 | 11,334 | ||
| D | 49.6%Obama5,667 | 48.4%Romney5,534 | 1.5%JOHNSON166 | 11,429 | ||
| D | 54.5%Obama6,403 | 44.0%McCain5,170 | 1.5%Nader177 | 11,750 | ||
| R | 45.8%Kerry5,311 | 53.3%Bush6,174 | 0.9%Badnarik99 | 11,584 | ||
| R | 44.4%Gore4,585 | 51.4%Bush5,304 | 3.0%Nader314 | 10,322 | ||
| D | 44.8%Clinton4,171 | 42.1%Dole3,915 | 12.2%Perot1,131 | 9,306 | ||
| R | 38.7%Clinton4,044 | 40.6%Bush4,249 | 20.1%Perot2,102 | 10,454 | ||
| R | 45.3%Dukakis4,141 | 53.9%Bush4,923 | 0.8%Paul73 | 9,137 | ||
| R | 36.0%Mondale3,348 | 63.2%Reagan5,877 | 0.8%Bergland77 | 9,302 | ||
| R | 29.9%Carter2,678 | 57.8%Reagan5,186 | 12.3%Anderson1,107 | 8,971 | ||
| R | 41.3%Carter3,979 | 56.9%Ford5,478 | 1.8%McCarthy171 | 9,628 | ||
| R | 36.5%McGovern3,318 | 63.4%Nixon5,763 | 0.2%Schmitz16 | 9,097 | ||
| R | 34.3%Humphrey3,228 | 59.1%Nixon5,563 | 6.6%Wallace617 | 9,408 | ||
| D | 51.1%Johnson4,818 | 48.9%Goldwater4,607 | 0.0% | 9,425 | ||
| R | 41.2%Kennedy4,293 | 58.7%Nixon6,111 | 0.1%Byrd13 | 10,417 | ||
| R | 30.0%Stevenson2,906 | 69.8%Eisenhower6,762 | 0.2%Andrews18 | 9,686 | ||
| R | 28.6%Stevenson2,858 | 71.3%Eisenhower7,132 | 0.1%Hallinan13 | 10,003 | ||
| R | 37.6%Truman3,220 | 61.8%Dewey5,299 | 0.6%Thurmond51 | 8,570 | ||
| R | 33.7%Roosevelt3,298 | 66.0%Dewey6,465 | 0.3%Thomas34 | 9,797 | ||
| R | 34.5%Roosevelt3,864 | 65.1%Willkie7,285 | 0.4%Thomas43 | 11,192 | ||
| R | 46.4%Roosevelt5,079 | 51.3%Landon5,619 | 2.3%Lemke252 | 10,950 | ||
| D | 54.0%Roosevelt5,497 | 44.4%Hoover4,520 | 1.6%Thomas160 | 10,177 | ||
| R | 37.5%Smith3,856 | 61.6%Hoover6,333 | 0.9%Thomas94 | 10,283 | ||
| R | 15.3%Davis1,477 | 50.4%Coolidge4,864 | 34.4%La Follette3,318 | 9,659 | ||
| R | 20.1%Cox1,604 | 76.3%Harding6,098 | 3.7%Debs295 | 7,997 | ||
| R | 36.4%Wilson3,505 | 60.0%Hughes5,775 | 3.6%Benson342 | 9,622 | ||
| D | 40.8%Wilson2,226 | 22.6%Taft1,233 | 36.6%Roosevelt2,001 | 5,460 | ||
| R | 40.3%Bryan2,310 | 54.6%Taft3,132 | 5.2%Debs297 | 5,739 | ||
| R | 29.8%Parker1,598 | 63.1%Roosevelt3,388 | 7.1%Debs382 | 5,368 | ||
| R | 41.4%Bryan2,543 | 56.1%McKinley3,444 | 2.5%Woolley156 | 6,143 | ||
| R | 38.8%Bryan2,391 | 58.4%McKinley3,594 | 2.8%Palmer173 | 6,158 | ||
| D | 48.7%Cleveland2,793 | 46.7%Harrison2,680 | 4.7%Weaver267 | 5,740 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +2.0% |
| 1896 | −19.5% |
| 1900 | −14.7% |
| 1904 | −33.3% |
| 1908 | −14.3% |
| 1912 | +18.2% |
| 1916 | −23.6% |
| 1920 | −56.2% |
| 1924 | −35.1% |
| 1928 | −24.1% |
| 1932 | +9.6% |
| 1936 | −4.9% |
| 1940 | −30.6% |
| 1944 | −32.3% |
| 1948 | −24.3% |
| 1952 | −42.7% |
| 1956 | −39.8% |
| 1960 | −17.5% |
| 1964 | +2.2% |
| 1968 | −24.8% |
| 1972 | −26.9% |
| 1976 | −15.6% |
| 1980 | −28.0% |
| 1984 | −27.2% |
| 1988 | −8.6% |
| 1992 | −2.0% |
| 1996 | +2.8% |
| 2000 | −7.0% |
| 2004 | −7.4% |
| 2008 | +10.5% |
| 2012 | +1.2% |
| 2016 | −14.6% |
| 2020 | −16.4% |
| 2024 | −16.8% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 17,124 |
| 2018 | 17,096 |
| 2020 | 17,191 |
| 2022 | 16,801 |
| 2024 | 16,644 |
Source: U.S. Election Assistance Commission (EAVS)
Jo Daviess County, Illinois's northwestern corner, has shifted steadily toward Republican margins over the past two decades, posting R+16.8 in 2024 despite a modest population of roughly 22,000 spread across river towns and farmland.
Across the recorded series it reached a Democratic high of 18.2 points in 1912 and a Republican high of 56.2 points in 1920. The 2024 margin was 16.8 points.
A population of 21,851, a 92% non-Hispanic-white share, and a median household income of $73,993 describe the county. The county's voting pattern over the last decade is most similar to that of Houston County and Sandusky County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Jo Daviess County, Illinois. Akashic. https://akashic.app/county/17085/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Jo Daviess County, Illinois vote in 2024?
In 2024, Jo Daviess County, Illinois voted Republican by 16.8 points (R+16.8), carried by the Republican candidate. Out of 12,414 votes cast, 5,051 went Democratic and 7,136 went Republican.
When did Jo Daviess County, Illinois last vote Democratic?
The most recent presidential election in which Jo Daviess County, Illinois voted Democratic was 2012.
How many people live in Jo Daviess County, Illinois?
Jo Daviess County, Illinois has a population of 21,851 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jo Daviess County, Illinois?
Median household income in Jo Daviess County, Illinois is $73,993 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Jo Daviess County, Illinois?
Akashic tracks 38 presidential elections in Jo Daviess County, Illinois from 1876 to 2024. Of those, 7 went Democratic and 27 went Republican.