Montgomery County, Ohio
AkashicMontgomery County, OHHarrisD+0.5
2024 precinct map of Montgomery CountyPrecinct-level 2024 presidential results for Montgomery 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
| Kamala Harris ✓Democratic | 49.7% | 126,767 |
|---|---|---|
| Donald TrumpRepublican | 49.3% | 125,566 |
| Chase OliverIndependent | 0.5% | 1,313 |
Harris +50Trump +50
380 precincts · 254,837 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 |
|---|---|---|---|---|---|---|
| D | 49.7%Harris126,767 | 49.3%Trump125,566 | 0.5%Oliver1,313 | 254,837 | ||
| D | 50.3%Biden135,064 | 48.1%Trump129,034 | 1.3%Jorgensen3,418 | 268,505 | ||
| R | 46.6%Clinton122,016 | 47.3%Trump123,909 | 3.2%Johnson8,387 | 261,989 | ||
| D | 51.2%Obama137,139 | 46.6%Romney124,841 | 1.0%Johnson2,548 | 267,936 | ||
| D | 52.3%Obama145,997 | 46.1%McCain128,679 | 1.6%Nader4,355 | 279,031 | ||
| D | 50.6%Kerry142,997 | 49.0%Bush138,371 | 0.4%Other1,216 | 282,584 | ||
| D | 49.6%Gore114,597 | 47.5%Bush109,792 | 2.0%Nader4,690 | 230,987 | ||
| D | 50.0%Clinton115,469 | 41.3%Dole95,391 | 7.9%Perot18,298 | 230,957 | ||
| D | 41.3%Clinton108,017 | 40.0%Bush104,751 | 18.3%Perot47,854 | 261,720 | ||
| R | 41.8%Dukakis95,737 | 57.5%Bush131,596 | 0.7%Fulani1,610 | 228,943 | ||
| R | 40.5%Mondale94,016 | 59.0%Reagan137,053 | 0.6%Serrette1,333 | 232,402 | ||
| D | 47.1%Carter105,110 | 45.5%Reagan101,443 | 7.4%Anderson16,456 | 223,009 | ||
| D | 50.4%Carter106,468 | 47.4%Ford100,223 | 2.2%McCarthy4,745 | 211,436 | ||
| R | 39.4%McGovern82,231 | 58.0%Nixon120,998 | 2.6%Schmitz5,323 | 208,552 | ||
| D | 46.4%Humphrey96,082 | 40.9%Nixon84,766 | 12.7%Wallace26,272 | 207,120 | ||
| D | 63.8%Johnson126,633 | 36.2%Goldwater71,979 | 0.0% | 198,612 | ||
| R | 47.3%Kennedy98,325 | 52.7%Nixon109,602 | 0.0% | 207,927 | ||
| R | 41.6%Stevenson76,270 | 58.4%Eisenhower107,278 | 0.0% | 183,548 | ||
| R | 46.5%Stevenson79,860 | 53.5%Eisenhower91,905 | 0.0% | 171,765 | ||
| D | 55.7%Truman76,879 | 43.5%Dewey60,048 | 0.9%Thurmond1,187 | 138,114 | ||
| D | 56.5%Roosevelt82,367 | 43.5%Dewey63,336 | 0.0% | 145,703 | ||
| D | 59.8%Roosevelt86,084 | 40.2%Willkie57,866 | 0.0% | 143,950 | ||
| D | 59.8%Roosevelt76,430 | 35.0%Landon44,742 | 5.2%Lemke6,606 | 127,778 | ||
| D | 48.5%Roosevelt51,270 | 46.6%Hoover49,267 | 4.9%Thomas5,180 | 105,717 | ||
| R | 34.9%Smith38,517 | 64.5%Hoover71,279 | 0.6%Thomas665 | 110,461 | ||
| R | 26.9%Davis21,860 | 62.6%Coolidge50,845 | 10.5%La Follette8,505 | 81,210 | ||
| R | 42.7%Cox38,433 | 51.7%Harding46,493 | 5.6%Debs5,049 | 89,975 | ||
| D | 51.9%Wilson24,339 | 42.0%Hughes19,683 | 6.1%Benson2,853 | 46,875 | ||
| D | 39.3%Wilson15,544 | 26.2%Taft10,341 | 34.5%Roosevelt13,653 | 39,538 | ||
| D | 48.3%Bryan20,566 | 47.1%Taft20,069 | 4.6%Debs1,980 | 42,615 | ||
| R | 36.9%Parker13,933 | 58.7%Roosevelt22,144 | 4.4%Debs1,648 | 37,725 | ||
| R | 44.3%Bryan16,236 | 53.5%McKinley19,606 | 2.1%Woolley772 | 36,614 | ||
| R | 45.4%Bryan15,540 | 53.6%McKinley18,333 | 1.0%Palmer359 | 34,232 | ||
| D | 50.0%Cleveland14,067 | 46.9%Harrison13,197 | 3.2%Weaver888 | 28,152 | ||
| — | — | — | — | — | ||
| — | — | — | — | — | ||
| — | — | — | — | — | ||
| — | — | — | — | — |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +3.1% |
| 1896 | −8.2% |
| 1900 | −9.2% |
| 1904 | −21.8% |
| 1908 | +1.2% |
| 1912 | +13.2% |
| 1916 | +9.9% |
| 1920 | −9.0% |
| 1924 | −35.7% |
| 1928 | −29.7% |
| 1932 | +1.9% |
| 1936 | +24.8% |
| 1940 | +19.6% |
| 1944 | +13.1% |
| 1948 | +12.2% |
| 1952 | −7.0% |
| 1956 | −16.9% |
| 1960 | −5.4% |
| 1964 | +27.5% |
| 1968 | +5.5% |
| 1972 | −18.6% |
| 1976 | +3.0% |
| 1980 | +1.6% |
| 1984 | −18.5% |
| 1988 | −15.7% |
| 1992 | +1.2% |
| 1996 | +8.7% |
| 2000 | +2.1% |
| 2004 | +1.6% |
| 2008 | +6.2% |
| 2012 | +4.6% |
| 2016 | −0.7% |
| 2020 | +2.2% |
| 2024 | +0.5% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 372,674 |
| 2018 | 381,738 |
| 2020 | 372,139 |
| 2022 | 367,296 |
| 2024 | 373,580 |
Source: U.S. Election Assistance Commission (EAVS)
Once reliably Democratic thanks to Dayton's union-heavy workforce, Montgomery County has shifted toward razor-thin margins, posting a D+0.5 result in 2024 as suburban realignment and post-industrial demographic change pulled it toward equilibrium.
Across the recorded series it reached a Democratic high of 27.5 points in 1964 and a Republican high of 35.7 points in 1924. Between 2020 and 2024 the county moved 1.8 points toward the Republican candidate; the 2024 margin was 0.5 points.
A population of 536,096, a 68% non-Hispanic-white share, and a median household income of $66,139 describe the county. The county's voting pattern over the last decade is most similar to that of Pinellas County and Merrimack County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Montgomery County, Ohio. Akashic. https://akashic.app/county/39113/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Embed this page
A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →
Cities & towns in Montgomery County
Ohio at the ballot boxAll elections →
Frequently asked questions
How did Montgomery County, Ohio vote in 2024?
In 2024, Montgomery County, Ohio voted a near-tie (D+0.5), carried by the Democratic candidate. Out of 254,837 votes cast, 126,767 went Democratic and 125,566 went Republican.
When did Montgomery County, Ohio last vote Republican?
The most recent presidential election in which Montgomery County, Ohio voted Republican was 2016.
How many people live in Montgomery County, Ohio?
Montgomery County, Ohio has a population of 536,096 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Montgomery County, Ohio?
Median household income in Montgomery County, Ohio is $66,139 — below the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Montgomery County, Ohio?
Akashic tracks 38 presidential elections in Montgomery County, Ohio from 1876 to 2024. Of those, 21 went Democratic and 13 went Republican.