Data as of November 4, 2026 · refreshed automatically from the official Florida voter file
Nassau County, Florida has 81,562 active registered voters — 61.1% Republican, 16.8% Democratic, and 18.1% with no party affiliation, as of November 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 12.1 | 4,807 | 3,607 | 75.04% |
| 2 | 13.1 | 2,911 | 2,121 | 72.86% |
| 3 | 43 | 3,645 | 2,651 | 72.73% |
| 4 | 42 | 1,687 | 1,223 | 72.5% |
| 5 | 41.2 | 1,584 | 1,131 | 71.4% |
| 6 | 52 | 2,537 | 1,786 | 70.4% |
| 7 | 31.1 | 1,106 | 765 | 69.17% |
| 8 | 44 | 1,607 | 1,107 | 68.89% |
| 9 | 53.1 | 892 | 614 | 68.83% |
| 10 | 11.1 | 1,971 | 1,352 | 68.59% |
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 Nassau County voted for president
Election results are public records.
Nassau County at a glance.
Nassau County had an estimated 104,376 residents in July 2024, the 37th most populous of Florida's 67 counties, up 15.5% since the 2020 census. Of those, 84,689 are 18 or older, the voting-age population, and 24.9% are 65 or older. Its 81,562 active registered voters equal about 96.3% of that voting-age population.
It covers 649 square miles of land (161 people per square mile), and 82.2% of residents live outside any incorporated city or town. The largest cities and towns are Fernandina Beach (13,672), Hilliard (3,077) and Callahan (1,785). The American Community Survey (2020-2024) puts it at a median age of 46.5, a median household income of $89,804, 35.6% of adults 25 and older holding a bachelor's degree or higher and 82.7% of occupied homes owned by the people living in them.
In 2024, 65,621 votes were cast for president, about 77.5% of the voting-age population; the Democratic ticket took 26.1% and the Republican ticket 73.1%. The two-party margin moved from R+43.8 in 2008 to R+47.0 in 2024.
- Population (2024 estimate)
- 104,376
- Population (2020 census base)
- 90,356
- Voting-age population (18+)
- 84,689
- Active voters per 100 adults
- 96.3
- Residents 65 and older
- 24.9%
- People per square mile
- 161
- Living outside incorporated places
- 82.2%
- Land area
- 649 sq mi
- Median age
- 46.5
- Median household income
- $89,804
- Adults 25+ with a bachelor's degree
- 35.6%
- Owner-occupied homes
- 82.7%
Largest cities and towns
- Fernandina Beach 13,672
- Hilliard 3,077
- Callahan 1,785
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 26.1% | 73.1% | R+47.0 | 65,621 |
| 2020 | 26.5% | 72.4% | R+45.9 | 58,811 |
| 2016 | 23.3% | 73.5% | R+50.2 | 46,537 |
| 2012 | 25.3% | 73.8% | R+48.5 | 40,523 |
| 2008 | 27.7% | 71.5% | R+43.8 | 38,304 |
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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