Mercer County, Pennsylvania
AkashicMercer County, PATrumpR+30.2
2024 precinct map of Mercer CountyPrecinct-level 2024 presidential results for Mercer 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 | 64.6% | 37,761 |
|---|---|---|
| Kamala HarrisDemocratic | 34.5% | 20,145 |
| Chase OliverLibertarian | 0.5% | 312 |
Harris +50Trump +50
91 precincts · 58,410 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 | 34.5%Harris20,145 | 64.6%Trump37,761 | 0.5%Oliver312 | 58,410 | ||
| R | 36.4%Biden21,067 | 62.4%Trump36,143 | 1.3%Jorgensen744 | 57,954 | ||
| R | 35.5%Clinton18,733 | 59.7%Trump31,544 | 2.6%Johnson1,370 | 52,839 | ||
| R | 47.5%Obama24,232 | 50.8%Romney25,925 | 1.0%Johnson487 | 51,039 | ||
| R | 49.1%Obama26,411 | 49.4%McCain26,565 | 1.6%Nader845 | 53,821 | ||
| R | 48.2%Kerry24,831 | 51.0%Bush26,311 | 0.8%Badnarik422 | 51,564 | ||
| D | 48.9%Gore23,817 | 47.5%Bush23,132 | 2.2%Nader1,073 | 48,732 | ||
| D | 50.2%Clinton23,003 | 37.6%Dole17,213 | 11.2%Perot5,108 | 45,779 | ||
| D | 46.7%Clinton23,264 | 32.3%Bush16,081 | 20.6%Perot10,277 | 49,836 | ||
| D | 52.9%Dukakis24,278 | 46.4%Bush21,301 | 0.7%McCarthy301 | 45,880 | ||
| D | 50.0%Mondale24,658 | 49.1%Reagan24,211 | 0.9%Johnson434 | 49,303 | ||
| R | 42.8%Carter19,716 | 48.5%Reagan22,372 | 8.7%Anderson4,002 | 46,090 | ||
| D | 51.9%Carter25,041 | 46.6%Ford22,469 | 1.5%McCarthy725 | 48,235 | ||
| R | 38.4%McGovern18,087 | 59.4%Nixon27,961 | 2.2%Schmitz1,052 | 47,100 | ||
| R | 46.5%Humphrey22,814 | 47.1%Nixon23,131 | 6.4%Wallace3,160 | 49,105 | ||
| D | 63.7%Johnson32,199 | 35.9%Goldwater18,153 | 0.4%Hass211 | 50,563 | ||
| R | 45.3%Kennedy24,243 | 54.4%Nixon29,109 | 0.2%Byrd128 | 53,480 | ||
| R | 40.6%Stevenson19,769 | 59.1%Eisenhower28,785 | 0.2%Andrews120 | 48,674 | ||
| R | 43.7%Stevenson20,770 | 55.6%Eisenhower26,424 | 0.7%Hallinan343 | 47,537 | ||
| R | 44.9%Truman16,108 | 52.7%Dewey18,916 | 2.4%Thurmond862 | 35,886 | ||
| R | 45.6%Roosevelt16,589 | 53.9%Dewey19,606 | 0.6%Thomas212 | 36,407 | ||
| R | 44.4%Roosevelt16,968 | 55.1%Willkie21,058 | 0.5%Thomas189 | 38,215 | ||
| D | 51.8%Roosevelt20,879 | 45.9%Landon18,493 | 2.3%Lemke939 | 40,311 | ||
| R | 41.7%Roosevelt10,961 | 53.5%Hoover14,057 | 4.7%Thomas1,240 | 26,258 | ||
| R | 26.4%Smith8,204 | 72.7%Hoover22,599 | 0.9%Thomas280 | 31,083 | ||
| R | 16.4%Davis3,688 | 65.3%Coolidge14,639 | 18.3%La Follette4,093 | 22,420 | ||
| R | 25.1%Cox4,823 | 60.3%Harding11,575 | 14.6%Debs2,801 | 19,199 | ||
| D | 46.5%Wilson6,390 | 42.7%Hughes5,866 | 10.9%Benson1,495 | 13,751 | ||
| O | 31.8%Wilson4,039 | 14.7%Taft1,873 | 53.5%Roosevelt6,806 | 12,718 | ||
| R | 39.8%Bryan5,473 | 47.3%Taft6,497 | 12.9%Debs1,774 | 13,744 | ||
| R | 27.2%Parker3,845 | 60.7%Roosevelt8,574 | 12.1%Debs1,714 | 14,133 | ||
| R | 39.6%Bryan4,916 | 55.9%McKinley6,950 | 4.5%Woolley559 | 12,425 | ||
| R | 42.1%Bryan5,500 | 55.5%McKinley7,262 | 2.4%Palmer315 | 13,077 | ||
| R | 42.6%Cleveland4,931 | 50.8%Harrison5,874 | 6.5%Weaver757 | 11,562 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −8.2% |
| 1896 | −13.5% |
| 1900 | −16.4% |
| 1904 | −33.5% |
| 1908 | −7.5% |
| 1912 | +17.0% |
| 1916 | +3.8% |
| 1920 | −35.2% |
| 1924 | −48.8% |
| 1928 | −46.3% |
| 1932 | −11.8% |
| 1936 | +5.9% |
| 1940 | −10.7% |
| 1944 | −8.3% |
| 1948 | −7.8% |
| 1952 | −11.9% |
| 1956 | −18.5% |
| 1960 | −9.1% |
| 1964 | +27.8% |
| 1968 | −0.6% |
| 1972 | −21.0% |
| 1976 | +5.3% |
| 1980 | −5.8% |
| 1984 | +0.9% |
| 1988 | +6.5% |
| 1992 | +14.4% |
| 1996 | +12.6% |
| 2000 | +1.4% |
| 2004 | −2.9% |
| 2008 | −0.3% |
| 2012 | −3.3% |
| 2016 | −24.2% |
| 2020 | −26.0% |
| 2024 | −30.2% |
DemocraticRepublican
Mercer County's working-class, post-industrial economy tracked closely with statewide results through the 1990s, but the county has shifted decisively rightward over the past two decades, posting a 30-point Republican margin in 2024.
Across the recorded series it reached a Democratic high of 27.8 points in 1964 and a Republican high of 48.8 points in 1924. Between 2020 and 2024 the county moved 4.1 points toward the Republican candidate; the 2024 margin was 30.2 points.
A population of 109,257, a 88% non-Hispanic-white share, and a median household income of $59,976 describe the county. The county's voting pattern over the last decade is most similar to that of Pope County and Iron County.
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Mercer County, Pennsylvania. Akashic. https://akashic.app/county/42085/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Mercer County, Pennsylvania vote in 2024?
In 2024, Mercer County, Pennsylvania voted Republican by 30.2 points (R+30.2), carried by the Republican candidate. Out of 58,410 votes cast, 20,145 went Democratic and 37,761 went Republican.
When did Mercer County, Pennsylvania last vote Democratic?
The most recent presidential election in which Mercer County, Pennsylvania voted Democratic was 2000.
How many people live in Mercer County, Pennsylvania?
Mercer County, Pennsylvania has a population of 109,257 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Mercer County, Pennsylvania?
Median household income in Mercer County, Pennsylvania is $59,976 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Mercer County, Pennsylvania?
Akashic tracks 38 presidential elections in Mercer County, Pennsylvania from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican.