Data as of November 4, 2026 · refreshed automatically from the official Florida voter file
St. Lucie County, Florida has 243,963 active registered voters — 39.1% Republican, 33.0% Democratic, and 23.4% with no party affiliation, as of November 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | * | 1,616 | 910 | 56.31% |
| 2 | 65 | 970 | 539 | 55.57% |
| 3 | 85 | 4,861 | 2,698 | 55.5% |
| 4 | 74 | 2,404 | 1,287 | 53.54% |
| 5 | 9 | 2,979 | 1,534 | 51.49% |
| 6 | 43 | 4,976 | 2,544 | 51.13% |
| 7 | 31 | 1,845 | 922 | 49.97% |
| 8 | 86 | 2,671 | 1,313 | 49.16% |
| 9 | 12 | 5,089 | 2,445 | 48.04% |
| 10 | 16 | 3,671 | 1,761 | 47.97% |
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 St. Lucie County voted for president
Election results are public records.
St. Lucie County at a glance.
St. Lucie County had an estimated 390,670 residents in July 2024, the 20th most populous of Florida's 67 counties, up 18.7% since the 2020 census. Of those, 314,505 are 18 or older, the voting-age population, and 24.7% are 65 or older. Its 243,963 active registered voters equal about 77.6% of that voting-age population.
It covers 572 square miles of land (683 people per square mile), and 20.7% of residents live outside any incorporated city or town. The largest cities and towns are Port St. Lucie (258,575), Fort Pierce (50,805) and St. Lucie Village (615). The American Community Survey (2020-2024) puts it at a median age of 45.1, a median household income of $71,457, 26.7% of adults 25 and older holding a bachelor's degree or higher and 78.6% of occupied homes owned by the people living in them.
In 2024, 185,131 votes were cast for president, about 58.9% of the voting-age population; the Democratic ticket took 45.1% and the Republican ticket 54.2%. The two-party margin moved from D+12.2 in 2008 to R+9.1 in 2024.
- Population (2024 estimate)
- 390,670
- Population (2020 census base)
- 329,224
- Voting-age population (18+)
- 314,505
- Active voters per 100 adults
- 77.6
- Residents 65 and older
- 24.7%
- People per square mile
- 683
- Living outside incorporated places
- 20.7%
- Land area
- 572 sq mi
- Median age
- 45.1
- Median household income
- $71,457
- Adults 25+ with a bachelor's degree
- 26.7%
- Owner-occupied homes
- 78.6%
Largest cities and towns
- Port St. Lucie 258,575
- Fort Pierce 50,805
- St. Lucie Village 615
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 45.1% | 54.2% | R+9.1 | 185,131 |
| 2020 | 48.9% | 50.4% | R+1.5 | 172,169 |
| 2016 | 47.5% | 49.9% | R+2.4 | 140,731 |
| 2012 | 53.5% | 45.7% | D+7.8 | 123,026 |
| 2008 | 55.7% | 43.5% | D+12.2 | 120,579 |
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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