Data as of August 27, 2026 · from the official Florida voter file
Florida Congressional District 4 has 524,943 active registered voters — 41.9% Republican, 34.8% Democratic, and 19.5% with no party affiliation, spread across 3 counties, as of August 2026.
Party registration
Counties in this district
| County | Voters in this district | Share of the district | Precincts |
|---|---|---|---|
| Duval County | 293,209 | 55.9% | 101 |
| Clay County | 151,834 | 28.9% | 76 |
| Nassau County | 79,900 | 15.2% | 33 |
A precinct split between two districts is counted in both, each with its own share of the voters — which is what a split precinct is.
Most reliable-voting precincts in this district
| # | Precinct | County | Voters in this district | Supervoter rate |
|---|---|---|---|---|
| 1 | 210.1 | Duval County | 1,417 | 86.6% |
| 2 | 1003.1 | Duval County | 1,639 | 86.5% |
| 3 | 1009.1 | Duval County | 2,677 | 86.4% |
| 4 | 711.1 | Duval County | 5,342 | 85.8% |
| 5 | 1002.1 | Duval County | 4,609 | 85.7% |
| 6 | 1001.1 | Duval County | 2,940 | 84.8% |
| 7 | 504 | Clay County | 1,560 | 84.7% |
| 8 | 1003.2 | Duval County | 3,988 | 84.6% |
| 9 | 705.1 | Duval County | 1,474 | 84.3% |
| 10 | 804.1 | Duval County | 4,129 | 84.2% |
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. The rate describes the whole precinct, while the voter count is only this district's share of it — so the two columns are not a fraction of one another. Precincts with fewer than 400 of this district's voters are excluded.
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