Clark County, Ohio: Heartland Swing county. In 2024, voted R+29%. Republican peak: R+44 in 1928.
Key facts
- 2024 presidential margin
- R+29MIT Election Lab
- Political typology
- Heartland SwingAkashic typology
- Population
- 135,1582024 5-year
- Median household income
- $63,1322024 5-year
- White (non-Hispanic)
- 82.4%2024 5-year
- Black
- 8.0%2024 5-year
- Hispanic / Latino
- 4.2%2024 5-year
- Peak Democratic margin
- D+28 in 1964MIT Election Lab
- Peak Republican margin
- R+44 in 1928MIT Election Lab
- Most similar
- Hernando County, FL · similarity 0.98
2024 results by precinct
2024 precinct map of Clark CountyPrecinct-level 2024 presidential results for Clark County, with each precinct boundary colored by Democratic-vs-Republican margin.
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −7.7% |
| 1896 | −9.0% |
| 1900 | −16.7% |
| 1904 | −31.8% |
| 1908 | −14.2% |
| 1912 | −4.9% |
| 1916 | +0.7% |
| 1920 | −16.7% |
| 1924 | −39.0% |
| 1928 | −44.0% |
| 1932 | −4.6% |
| 1936 | +25.0% |
| 1940 | +11.2% |
| 1944 | +0.3% |
| 1948 | −3.7% |
| 1952 | −13.8% |
| 1956 | −23.9% |
| 1960 | −15.3% |
| 1964 | +28.4% |
| 1968 | +0.5% |
| 1972 | −26.4% |
| 1976 | −1.1% |
| 1980 | −8.5% |
| 1984 | −25.4% |
| 1988 | −16.8% |
| 1992 | +4.2% |
| 1996 | +9.7% |
| 2000 | +0.6% |
| 2004 | −2.0% |
| 2008 | −2.5% |
| 2012 | −0.8% |
| 2016 | −18.9% |
| 2020 | −23.3% |
| 2024 | −29.4% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 21,847 | 40,403 | 63,206 | ||
| R | 24,076 | 39,032 | 64,212 | ||
| R | 23,328 | 35,205 | 62,756 | ||
| R | 31,297 | 31,820 | 65,104 | ||
| R | 31,958 | 33,634 | 66,987 | ||
| R | 33,535 | 34,941 | 68,807 | ||
| D | 27,984 | 27,660 | 57,559 | ||
| D | 27,890 | 22,297 | 57,802 | ||
| D | 26,692 | 24,011 | 63,538 | ||
| R | 23,247 | 32,729 | 56,503 | ||
| R | 21,154 | 35,831 | 57,744 | ||
| R | 22,630 | 27,237 | 54,015 | ||
| R | 26,135 | 26,745 | 54,660 | ||
| R | 19,725 | 34,447 | 55,750 | ||
| D | 24,029 | 23,748 | 54,491 | ||
| D | 34,275 | 19,112 | 53,387 | ||
| R | 22,456 | 30,588 | 53,044 | ||
| R | 17,680 | 28,767 | 46,447 | ||
| R | 20,786 | 27,464 | 48,250 | ||
| R | 17,236 | 18,548 | 35,917 | ||
| D | 22,362 | 22,207 | 44,569 | ||
| D | 25,888 | 20,681 | 46,569 | ||
| D | 26,138 | 15,483 | 42,540 | ||
| R | 17,314 | 19,028 | 36,952 | ||
| R | 10,316 | 26,666 | 37,183 | ||
| R | 8,415 | 20,340 | 30,615 | ||
| R | 14,097 | 19,869 | 34,540 | ||
| D | 8,848 | 8,715 | 18,293 | ||
| R | 5,217 | 6,036 | 16,693 | ||
| R | 6,529 | 8,917 | 16,834 | ||
| R | 4,565 | 9,355 | 15,084 | ||
| R | 6,243 | 8,806 | 15,361 | ||
| R | 6,382 | 7,667 | 14,228 | ||
| R | 5,255 | 6,214 | 12,402 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
18.8%
Irish
12.9%
English
12.5%
American
7.7%
Italian
2.8%
Scottish
1.9%
French
1.5%
African American
6.4%
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 41.2 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$63,132
Clark County ranks near the middle of US counties.
Clark County$63,132
Ohio$71,389
United States$80,734
Clark County ranks near the middle of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
15.2%
Children face moderate poverty.
Children under 1821.5%
Working age (18–64)13.7%
Seniors (65+)10.6%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
95.8%
speak English only
Spanish2.2%
Other Indo-European1.5%
Asian & Pacific Islander0.3%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 66.1% of residents not counted as adherents by any reporting body.
Clark County, anchored by Springfield, shifted from a presidential battleground in the early 2000s to a nearly 30-point Republican margin in 2024, tracking broader working-class realignment across Ohio's mid-sized industrial cities.
The Democratic margin here peaked at twenty-eight points in 1964. Between 2020 and 2024 the county moved six points toward the Republican candidate; the 2024 margin was twenty-nine points.
A population of 135,158, a 82% non-Hispanic-white share, and a median household income of $63,132 describe the county. The county's voting pattern over the last decade is most similar to that of Hernando County and Madison 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.
Clark County, Ohio. Akashic. https://akashic.app/county/39023/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More heartland swing counties
Frequently asked questions
How did Clark County, Ohio vote in 2024?
In 2024, Clark County, Ohio voted Republican by 29.4 points (R+29), carried by the Republican candidate. Out of 63,206 votes cast, 21,847 went Democratic and 40,403 went Republican.
What is Clark County, Ohio's political typology?
Akashic places Clark County, Ohio in the "Heartland Swing" typology — Industrial Midwest swing counties drifting steadily toward the Republican Party. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 9 times, Republican 25 times, and other 0 times.
When did Clark County, Ohio last vote Democratic?
The most recent presidential election in which Clark County, Ohio voted Democratic was 2000.
How many people live in Clark County, Ohio?
Clark County, Ohio has a population of 135,158 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Clark County, Ohio?
Median household income in Clark County, Ohio is $63,132 — below the national median of $80,734. The Ohio state median is $71,389.
What is the political history of Clark County, Ohio?
Akashic tracks 38 presidential elections in Clark County, Ohio from 1876 to 2024. Of those, 9 went Democratic and 25 went Republican. The county's typology — "Heartland Swing" — captures where that record, its demographics, and its recent swing place it among American communities.