Data as of November 4, 2026 · refreshed automatically from the official Florida voter file
Collier County, Florida has 263,665 active registered voters — 55.5% Republican, 19.3% Democratic, and 22.0% with no party affiliation, as of November 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 315 | 2,433 | 1,413 | 58.08% |
| 2 | 479 | 2,011 | 1,141 | 56.74% |
| 3 | 317 | 3,333 | 1,868 | 56.05% |
| 4 | * | 1,078 | 594 | 55.1% |
| 5 | 150 | 2,363 | 1,297 | 54.89% |
| 6 | 252 | 2,702 | 1,469 | 54.37% |
| 7 | 257 | 3,270 | 1,758 | 53.76% |
| 8 | 255 | 6,042 | 3,237 | 53.57% |
| 9 | 242 | 3,481 | 1,860 | 53.43% |
| 10 | 258 | 3,750 | 1,957 | 52.19% |
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 Collier County voted for president
Election results are public records.
Collier County at a glance.
Collier County had an estimated 416,233 residents in July 2024, the 19th most populous of Florida's 67 counties, up 10.8% since the 2020 census. Of those, 349,094 are 18 or older, the voting-age population, and 34.3% are 65 or older. Its 263,665 active registered voters equal about 75.5% of that voting-age population.
It covers 1,997 square miles of land (208 people per square mile), and 91.1% of residents live outside any incorporated city or town. The largest cities and towns are Naples (20,168), Marco Island (16,554) and Everglades (396). The American Community Survey (2020-2024) puts it at a median age of 53.3, a median household income of $90,045, 40.3% of adults 25 and older holding a bachelor's degree or higher and 76.6% of occupied homes owned by the people living in them.
In 2024, 216,363 votes were cast for president, about 62.0% of the voting-age population; the Democratic ticket took 33.1% and the Republican ticket 66.2%. The two-party margin moved from R+22.5 in 2008 to R+33.1 in 2024.
- Population (2024 estimate)
- 416,233
- Population (2020 census base)
- 375,761
- Voting-age population (18+)
- 349,094
- Active voters per 100 adults
- 75.5
- Residents 65 and older
- 34.3%
- People per square mile
- 208
- Living outside incorporated places
- 91.1%
- Land area
- 1,997 sq mi
- Median age
- 53.3
- Median household income
- $90,045
- Adults 25+ with a bachelor's degree
- 40.3%
- Owner-occupied homes
- 76.6%
Largest cities and towns
- Naples 20,168
- Marco Island 16,554
- Everglades 396
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 33.1% | 66.2% | R+33.1 | 216,363 |
| 2020 | 37.4% | 62.0% | R+24.6 | 207,818 |
| 2016 | 35.7% | 61.8% | R+26.1 | 170,505 |
| 2012 | 34.7% | 64.7% | R+30.0 | 149,080 |
| 2008 | 38.3% | 60.8% | R+22.5 | 141,988 |
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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