Voter file loaded June 4, 2026 · figures are from that file, held as a fixed record
Clark County, Ohio has 72,037 active registered voters across 78 precincts, as of June 2026.
Party registration
Ohio doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | PRECINCT MFLD 4 | 1,097 | 853 | 77.76% |
| 2 | PRECINCT CITY 21 | 1,035 | 787 | 76.04% |
| 3 | PRECINCT MFLD 1 | 602 | 454 | 75.42% |
| 4 | PRECINCT MR-5 | 979 | 732 | 74.77% |
| 5 | PRECINCT BETH 6 | 1,242 | 891 | 71.74% |
| 6 | PRECINCT GREE 2 | 1,089 | 771 | 70.8% |
| 7 | PRECINCT MR-2 | 997 | 705 | 70.71% |
| 8 | PRECINCT CITY 17 | 902 | 636 | 70.51% |
| 9 | PRECINCT BETH 4 | 1,129 | 796 | 70.5% |
| 10 | PRECINCT GERM 1 | 1,014 | 713 | 70.32% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How Clark County voted for president
Election results are public records.
Clark County at a glance.
Clark County had an estimated 134,985 residents in July 2024, the 21st most populous of Ohio's 88 counties, down 0.7% since the 2020 census. Of those, 104,824 are 18 or older, the voting-age population, and 20.8% are 65 or older. Its 72,037 active registered voters equal about 68.7% of that voting-age population.
It covers 396 square miles of land (341 people per square mile). The largest cities and towns are Springfield (58,138), New Carlisle (5,511), Enon (2,448), South Charleston (1,695) and North Hampton (452). The American Community Survey (2020-2024) puts it at a median age of 41.2, a median household income of $63,132, 20.2% of adults 25 and older holding a bachelor's degree or higher and 69.4% of occupied homes owned by the people living in them.
In 2024, 62,835 votes were cast for president, about 59.9% of the voting-age population; the Democratic ticket took 34.8% and the Republican ticket 64.3%. The two-party margin moved from R+2.5 in 2008 to R+29.5 in 2024.
- Population (2024 estimate)
- 134,985
- Population (2020 census base)
- 135,974
- Voting-age population (18+)
- 104,824
- Active voters per 100 adults
- 68.7
- Residents 65 and older
- 20.8%
- People per square mile
- 341
- Land area
- 396 sq mi
- Median age
- 41.2
- Median household income
- $63,132
- Adults 25+ with a bachelor's degree
- 20.2%
- Owner-occupied homes
- 69.4%
Largest cities and towns
- Springfield 58,138
- New Carlisle 5,511
- Enon 2,448
- South Charleston 1,695
- North Hampton 452
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 34.8% | 64.3% | R+29.5 | 62,835 |
| 2020 | 37.5% | 60.8% | R+23.3 | 64,212 |
| 2016 | 38.0% | 57.5% | R+19.5 | 59,620 |
| 2012 | 48.3% | 50.1% | R+1.8 | 62,136 |
| 2008 | 47.9% | 50.4% | R+2.5 | 66,770 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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