Voter file loaded June 5, 2026 · figures are from that file, held as a fixed record
Putnam County, Ohio has 21,634 active registered voters across 25 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 | MONTEREY TWP | 761 | 590 | 77.53% |
| 2 | GLANDORF CORP | 720 | 556 | 77.22% |
| 3 | KALIDA CORP | 954 | 714 | 74.84% |
| 4 | UNION TWP | 1,042 | 779 | 74.76% |
| 5 | OTTAWA TWP. WEST | 730 | 545 | 74.66% |
| 6 | OTTAWA TWP EAST | 979 | 728 | 74.36% |
| 7 | PLEASANT TWP | 1,094 | 809 | 73.95% |
| 8 | GREENSBURG TWP | 947 | 700 | 73.92% |
| 9 | JENNINGS TWP | 1,341 | 986 | 73.53% |
| 10 | RILEY TWP | 682 | 500 | 73.31% |
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 Putnam County voted for president
Election results are public records.
Putnam County at a glance.
Putnam County had an estimated 34,206 residents in July 2024, the 70th most populous of Ohio's 88 counties, down 0.7% since the 2020 census. Of those, 25,556 are 18 or older, the voting-age population, and 20.2% are 65 or older. Its 21,634 active registered voters equal about 84.7% of that voting-age population.
It covers 482 square miles of land (71 people per square mile). The largest cities and towns are Ottawa (4,422), Leipsic (2,159), Columbus Grove (2,124), Kalida (1,451) and Pandora (1,186). The American Community Survey (2020-2024) puts it at a median age of 40.6, a median household income of $84,928, 26.4% of adults 25 and older holding a bachelor's degree or higher and 87.1% of occupied homes owned by the people living in them.
In 2024, 19,754 votes were cast for president, about 77.3% of the voting-age population; the Democratic ticket took 15.2% and the Republican ticket 83.9%. The two-party margin moved from R+41.7 in 2008 to R+68.7 in 2024.
- Population (2024 estimate)
- 34,206
- Population (2020 census base)
- 34,453
- Voting-age population (18+)
- 25,556
- Active voters per 100 adults
- 84.7
- Residents 65 and older
- 20.2%
- People per square mile
- 71
- Land area
- 482 sq mi
- Median age
- 40.6
- Median household income
- $84,928
- Adults 25+ with a bachelor's degree
- 26.4%
- Owner-occupied homes
- 87.1%
Largest cities and towns
- Ottawa 4,422
- Leipsic 2,159
- Columbus Grove 2,124
- Kalida 1,451
- Pandora 1,186
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 15.2% | 83.9% | R+68.7 | 19,754 |
| 2020 | 16.0% | 82.4% | R+66.4 | 19,921 |
| 2016 | 15.6% | 80.0% | R+64.4 | 18,387 |
| 2012 | 23.4% | 74.8% | R+51.4 | 18,126 |
| 2008 | 28.3% | 70.0% | R+41.7 | 18,680 |
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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