Nassau County, FL Demographics
Nassau County, FL is the 37th most populous of 67 counties in Florida, with 90,352 residents across 649 square miles. That is about 139 people per square mile.
At the 2020 census
| Population | 90,352 |
|---|---|
| Land area | 649 sq mi |
| Density | 139 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Nassau County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Nassau County, FL
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Nassau County, FL — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Nassau County, FL
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 503.06 | 8,152 | 50.7 | 161 |
| Census Tract 503.04 | 6,447 | 7.2 | 899 |
| Census Tract 503.08 | 6,179 | 27.3 | 227 |
| Census Tract 503.09 | 6,162 | 17.3 | 356 |
| Census Tract 503.10 | 5,902 | 4.7 | 1,261 |
| Census Tract 503.07 | 5,322 | 67.8 | 78 |
| Census Tract 505.05 | 4,974 | 14.9 | 333 |
| Census Tract 505.04 | 4,093 | 114.6 | 36 |
| Census Tract 502.03 | 3,898 | 5.7 | 686 |
| Census Tract 502.05 | 3,705 | 1.8 | 2,064 |
| Census Tract 501.03 | 3,599 | 1.5 | 2,469 |
| Census Tract 502.04 | 3,412 | 4.1 | 831 |
| Census Tract 504.01 | 3,354 | 25.1 | 133 |
| Census Tract 505.06 | 3,292 | 28.1 | 117 |
| Census Tract 504.03 | 3,223 | 68.4 | 47 |
| Census Tract 501.04 | 3,209 | 1.8 | 1,780 |
| Census Tract 501.02 | 2,985 | 4.6 | 647 |
| Census Tract 505.09 | 2,618 | 9.1 | 287 |
| Census Tract 504.02 | 2,430 | 105.3 | 23 |
| Census Tract 502.01 | 2,169 | 4.7 | 465 |
| Census Tract 505.07 | 2,095 | 42.7 | 49 |
| Census Tract 505.08 | 1,911 | 36.2 | 53 |
| Census Tract 503.05 | 1,221 | 5.2 | 233 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Nassau County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.