Data as of November 4, 2026 · refreshed automatically from the official Florida voter file
Hillsborough County, Florida has 814,930 active registered voters — 36.4% Republican, 33.5% Democratic, and 26.3% with no party affiliation, as of November 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 927.0 | 610 | 551 | 90.33% |
| 2 | 551.0 | 1,739 | 1,511 | 86.89% |
| 3 | 513.0 | 893 | 771 | 86.34% |
| 4 | 550.0 | 855 | 726 | 84.91% |
| 5 | 514.0 | 1,534 | 1,274 | 83.05% |
| 6 | 528.0 | 2,587 | 2,138 | 82.64% |
| 7 | 433.0 | 497 | 410 | 82.49% |
| 8 | 653.0 | 1,578 | 1,300 | 82.38% |
| 9 | 705.0 | 843 | 691 | 81.97% |
| 10 | 587.0 | 2,476 | 2,028 | 81.91% |
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 Hillsborough County voted for president
Election results are public records.
Hillsborough County at a glance.
Hillsborough County had an estimated 1,581,426 residents in July 2024, the fourth most populous of Florida's 67 counties, up 8.3% since the 2020 census. Of those, 1,246,705 are 18 or older, the voting-age population, and 15.5% are 65 or older. Its 814,930 active registered voters equal about 65.4% of that voting-age population.
It covers 1,022 square miles of land (1,547 people per square mile), and 69.3% of residents live outside any incorporated city or town. The largest cities and towns are Tampa (414,547), Plant City (43,046) and Temple Terrace (27,588). The American Community Survey (2020-2024) puts it at a median age of 37.9, a median household income of $79,540, 38.1% of adults 25 and older holding a bachelor's degree or higher and 61.5% of occupied homes owned by the people living in them.
In 2024, 671,981 votes were cast for president, about 53.9% of the voting-age population; the Democratic ticket took 47.8% and the Republican ticket 50.9%. The two-party margin moved from D+7.2 in 2008 to R+3.1 in 2024.
- Population (2024 estimate)
- 1,581,426
- Population (2020 census base)
- 1,459,774
- Voting-age population (18+)
- 1,246,705
- Active voters per 100 adults
- 65.4
- Residents 65 and older
- 15.5%
- People per square mile
- 1,547
- Living outside incorporated places
- 69.3%
- Land area
- 1,022 sq mi
- Median age
- 37.9
- Median household income
- $79,540
- Adults 25+ with a bachelor's degree
- 38.1%
- Owner-occupied homes
- 61.5%
Largest cities and towns
- Tampa 414,547
- Plant City 43,046
- Temple Terrace 27,588
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 47.8% | 50.9% | R+3.1 | 671,981 |
| 2020 | 52.9% | 46.0% | D+6.9 | 712,063 |
| 2016 | 51.5% | 44.7% | D+6.8 | 595,072 |
| 2012 | 52.8% | 46.2% | D+6.6 | 541,503 |
| 2008 | 53.2% | 46.0% | D+7.2 | 513,312 |
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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