Voter file loaded June 5, 2026 · figures are from that file, held as a fixed record
Lake County, Ohio has 142,481 active registered voters across 163 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 WILLOUGHBY HILLS CITY AA | 968 | 770 | 79.55% |
| 2 | PRECINCT WILLOUGHBY CITY 5B | 782 | 607 | 77.62% |
| 3 | PRECINCT CONCORD TWP I | 1,116 | 862 | 77.24% |
| 4 | PRECINCT WILLOUGHBY HILLS CITY EE | 722 | 554 | 76.73% |
| 5 | PRECINCT CONCORD TWP N | 611 | 468 | 76.6% |
| 6 | PRECINCT MENTOR CITY 2H | 695 | 530 | 76.26% |
| 7 | PRECINCT WILLOUGHBY HILLS CITY FF | 705 | 536 | 76.03% |
| 8 | PRECINCT WILLOUGHBY CITY 6B | 671 | 508 | 75.71% |
| 9 | PRECINCT TIMBERLAKE VILLAGE AA | 455 | 343 | 75.38% |
| 10 | PRECINCT KIRTLAND 2A | 1,156 | 871 | 75.35% |
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 Lake County voted for president
Election results are public records.
Lake County at a glance.
Lake County had an estimated 232,360 residents in July 2024, the 12th most populous of Ohio's 88 counties, down 0.1% since the 2020 census. Of those, 188,934 are 18 or older, the voting-age population, and 23.0% are 65 or older. Its 142,481 active registered voters equal about 75.4% of that voting-age population.
It covers 229 square miles of land (1,013 people per square mile). The largest cities and towns are Mentor (47,113), Willoughby (24,208), Painesville (20,660), Eastlake (17,423) and Willowick (14,159). The American Community Survey (2020-2024) puts it at a median age of 44.1, a median household income of $80,925, 31.6% of adults 25 and older holding a bachelor's degree or higher and 75.8% of occupied homes owned by the people living in them.
In 2024, 128,535 votes were cast for president, about 68.0% of the voting-age population; the Democratic ticket took 42.4% and the Republican ticket 56.7%. The two-party margin moved from D+0.9 in 2008 to R+14.3 in 2024.
- Population (2024 estimate)
- 232,360
- Population (2020 census base)
- 232,522
- Voting-age population (18+)
- 188,934
- Active voters per 100 adults
- 75.4
- Residents 65 and older
- 23.0%
- People per square mile
- 1,013
- Land area
- 229 sq mi
- Median age
- 44.1
- Median household income
- $80,925
- Adults 25+ with a bachelor's degree
- 31.6%
- Owner-occupied homes
- 75.8%
Largest cities and towns
- Mentor 47,113
- Willoughby 24,208
- Painesville 20,660
- Eastlake 17,423
- Willowick 14,159
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 42.4% | 56.7% | R+14.3 | 128,535 |
| 2020 | 42.5% | 56.1% | R+13.6 | 130,509 |
| 2016 | 39.9% | 55.5% | R+15.6 | 112,790 |
| 2012 | 48.3% | 50.0% | R+1.7 | 114,264 |
| 2008 | 49.6% | 48.7% | D+0.9 | 121,335 |
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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