Florida State Senate District 4

State Legislative District Profile (Upper Chamber)

Overview

District ID
fl-sd-004
State
Florida
Chamber
Upper chamber (state senate)
District Code
004
Land Area
1,201.2 sq mi
Water Area
195.1 sq mi

Boundary

Boundary of Florida State Senate District 4

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Nassau County648.68 sq mi54.0%100.0%
Duval County552.48 sq mi46.0%72.4%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Jacksonville city537.12 sq mi44.7%71.9%
Yulee CDP23.16 sq mi1.9%100.0%
Nassau Village-Ratliff CDP14.67 sq mi1.2%100.0%
Fernandina Beach city11.83 sq mi1.0%99.9%
Jacksonville Beach city7.32 sq mi0.6%100.0%
Hilliard town5.51 sq mi0.5%100.0%
Atlantic Beach city3.68 sq mi0.3%100.0%
Neptune Beach city2.34 sq mi0.2%100.0%
Baldwin town2.02 sq mi0.2%100.0%
Callahan town1.81 sq mi0.2%100.0%

Showing all 10 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
FL District 5370,26968.3%48.1%15.7%
FL District 4172,23931.7%22.4%84.3%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
433,387
Active Voters
394,600 (91.1%)

Party Registration

PartyVotersShare
Democratic114,50326.4%
Republican202,71846.8%
Unaffiliated100,83823.3%
Other parties15,3283.5%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202610 (0.0%)0 (0.0%)0 (0.0%)
2023–2024309,028 (71.3%)0 (0.0%)0 (0.0%)
2021–2022213,052 (49.2%)0 (0.0%)0 (0.0%)
2019–2020280,083 (64.6%)0 (0.0%)0 (0.0%)
2017–2018203,151 (46.9%)0 (0.0%)0 (0.0%)
2015–2016216,931 (50.1%)0 (0.0%)0 (0.0%)
2013–2014128,548 (29.7%)0 (0.0%)0 (0.0%)
2011–2012176,362 (40.7%)0 (0.0%)0 (0.0%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 12/10/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
567,720 (± 5,970)
Median Age
39.2
Median Household Income
$88,571 (± $1,823)
High School Graduate or Higher (age 25+)
93.9%
Bachelor's Degree or Higher (age 25+)
41.9%

Population by Age

GroupPeopleShare
Under 18119,75121.1%
18 to 64349,70061.6%
65 and over98,26917.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)67,24011.8%
White, not Hispanic362,50363.9%
Black, not Hispanic72,11112.7%
Asian, not Hispanic29,8395.3%
American Indian / Alaska Native, not Hispanic4180.1%
Native Hawaiian / Pacific Islander, not Hispanic3780.1%
Some other race, not Hispanic4,7600.8%
Two or more races, not Hispanic30,4715.4%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
540,463
Citizen Voting Age Population (CVAP)
424,432

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic483,56789.5%
Hispanic56,89910.5%
White366,27867.8%
Black71,54713.2%
Asian24,5474.5%
American Indian / Alaska Native4180.1%
Native Hawaiian / Pacific Islander4450.1%
Two or More Races3,4280.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic383,95690.5%
Hispanic40,4769.5%
White298,44570.3%
Black57,13013.5%
Asian23,0305.4%
American Indian / Alaska Native3,2180.8%
Native Hawaiian / Pacific Islander4280.1%
Two or More Races2,0090.5%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).