Nassau County, Florida Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 37th-largest in Florida
The population of Nassau County, Florida is 94,653 as of the 2023 American Community Survey, making it the 37th-largest county in Florida. The median household income is $88,900, the median home value is $351,100, and the median age is 46.3.
The population of Nassau County has grown 42.0% since 2010 (73,526 → 104,376), a +2.53% annualized rate.
94,653
Population
+2.53%
Annual growth
146
People / sq mi
$88,900
Median Income
$351,100
Median Home Value
Nassau County covers 649 sq mi of land at 145.9 people per square mile.
About Nassau County, FL
Homeownership is the standout figure in Nassau County: 83.0% of homes are owner-occupied, higher than the national rate. With 94,653 residents, Nassau County is a county in Florida. It ranks #37 among counties in Florida by population.
Households here are among the highest-earning of all US counties: median income is $88,900, above the US median of $78,538. The poverty rate is 7.1%, below the national 12.4%. The median home value is $351,100, with typical rent around $1,335.
About 34.5% of adults 25 and older have a bachelor’s degree, near the 35.0% national figure. Remote work is on the higher side at 13.0%, below the national 14.0%, and the average commute runs about 31 minutes each way.
The ownership rate anchors the housing story in Nassau County, and tends to move with the age structure and home-value figures above.
Nassau County Population History (2010-2024)
The county of Nassau County had a population of 73,526 in 2010 and 104,376 in 2024, a 42.0% growth over 14 years. The peak was 104,376 in 2024. Average annual growth rate: 2.54%.
104,376
Population (2024)
73,526
Population (2010)
104,376
Peak (2024)
2.54%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 73,526 |
| 2011 | 74,166 |
| 2012 | 74,546 |
| 2013 | 75,428 |
| 2014 | 76,309 |
| 2015 | 78,022 |
| 2016 | 80,168 |
| 2017 | 83,024 |
| 2018 | 85,923 |
| 2019 | 88,583 |
| 2020 | 91,036 |
| 2021 | 94,413 |
| 2022 | 97,891 |
| 2023 | 101,579 |
| 2024 | 104,376 |
Race & Ethnicity
| White | 85.9% |
| Black or African American | 5.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
46.3
Median Age
50.4%
Female
49.6%
Male
23.3%
Age 65+
Age Distribution
Children (under 15): 16.1% · Seniors (65+): 23.3%
Income & Poverty
| Median household income | $88,900+$17,189 vs state |
| Mean household income | $114,157 |
| Per-capita income | $46,463 |
| Poverty rate | 7.1%-1.8% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 54.2% |
Top Industries by Employment
The largest employment sector in Nassau County is professional & business services, accounting for 18.2% of workers.
How residents commute
0.1%
Drive alone
1.0%
Carpool
79.0%
Public transit
13.0%
Work from home
30.8 min
Avg commute
Housing
$351,100+$26,100 vs state
Median home value
$1,335
Median rent
83.0%
Homeownership rate
43,565
Total housing units
87.5%
Occupied
12.5%
Vacant
17.0%
Renter-occupied
Social & access
92.5%
With health insurance
98.0%
With broadband internet
50.7%
Foreign-born
11.6%
Veterans (18+)
16.9%
With a disability
94.7%
Speak language other than English at home
Education
92.3%
High School+
34.5%
Bachelor's+
Largest cities in Florida
Other counties in Florida
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County rankings
Frequently Asked Questions
Nassau County, Florida has a population of 94,653 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 37th-largest county in Florida. Population density is 146 people per square mile.
The population of Nassau County has grown 42.0% since 2010 (73,526 → 104,376), a +2.53% annualized rate.
The median household income in Nassau County, Florida is $88,900, with mean (average) household income of $114,157 and per-capita income of $46,463. 7.1% of residents live below the federal poverty level.
In Nassau County, the largest racial and ethnic groups are White (85.9%), Black or African American (5.5%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Nassau County, Florida is 46.3 years. Residents are 50.4% female and 49.6% male.
The median home value in Nassau County is $351,100 and median monthly rent is $1,335. 83.0% of occupied housing units are owner-occupied. The county has 43,565 total housing units, 12.5% of which are vacant.
The largest employment sector in Nassau County, Florida is professional, scientific, and management services, employing 18.2% of workers. The unemployment rate is 2.2%.
Jacksonville is among the largest cities associated with Nassau County, Florida, with a population of 961,739.
Nassau County, FL Climate
Nassau County, FL has an average annual temperature of 20°C (68°F) and receives about 1314 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
20°C
Avg Temp
1314
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 12° / 53° | 93 mm |
| February | 13° / 55° | 89 mm |
| March | 16° / 62° | 104 mm |
| April | 19° / 67° | 76 mm |
| May | 23° / 74° | 89 mm |
| June | 26° / 79° | 143 mm |
| July | 28° / 82° | 158 mm |
| August | 27° / 81° | 175 mm |
| September | 26° / 78° | 167 mm |
| October | 21° / 70° | 86 mm |
| November | 17° / 62° | 61 mm |
| December | 13° / 55° | 73 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Nassau County, FL
The most comfortable months to visit Nassau County, FL are typically October, April and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near 6°C low). August is usually the wettest month.
Where to stay near Nassau County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.