Suwannee County area

Suwannee County, Florida covers 692.3 square miles: 688.6 square miles of land and 3.67 square miles of water. Its county seat is Live Oak. An estimated 48,149 people lived there in 2025.

Official Census measurements · GEOID 121212026 Gazetteer · retrieved September 27, 2026
Land area688.6 mi²
Water area3.67 mi²
Population (2025)48,149
People per mi²70

County outline

Generalized outline of Suwannee County, Florida
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Suwannee County is located

Suwannee County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99.5% of Suwannee County’s measured area and water for 0.5%. Its combined area converts to 1,792.9 square kilometers or approximately 443,044 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land688.5861,783.43440,695
Water3.679.5052,348.8
Total692.2561,792.935443,043.8

How Suwannee County compares

By original Census land area, Suwannee County ranks #35 of 67 in Florida and #1360 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.989 times the Florida county-equivalent median of 696.5 square miles. It accounts for 1.3% of the combined county land area in the state.

See the complete Florida ranking · What counts as a county equivalent?

Population and density of Suwannee County

The Census Bureau estimates that 48,149 people lived in Suwannee County on July 1, 2025. That ranks #1,049 of 3,222 county equivalents nationally and #45 of 67 in Florida. Since the April 1, 2020 estimates base of 43,461, the population has grown by 4,688 (+10.8%), compared with +8.9% for Florida as a whole.

With 688.6 square miles of land, that is 70 people per square mile (27 per km²), placing Suwannee County #1,260 nationally for density and #44 in Florida. The median county equivalent has 47 people per square mile; the Florida median is 209. Put another way, there are about 9.2 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate43,51844,11145,44146,30847,80348,149
Change—+593+1,330+867+1,495+346

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Suwannee County

2 incorporated places lie at least partly in Suwannee County. Together they are home to 8,028 people (16.7%); the other 40,121 (83.3%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Live Oak city, with 7,248 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Live Oak cityCounty seat7,248+7.6%7.629
Branford town780+9.2%1.136

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Suwannee County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Suwannee County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

9 ZIP Code Tabulation Areas have land in Suwannee County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.

320083202432055320603206232064320713209432096

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Suwannee County

Suwannee County shares a land border with 5 county equivalents. It has more land than 3 of them. The largest neighbor is Columbia County (797.4 mi²) and the smallest is Gilchrist County (349.7 mi²). Together with its neighbors, Suwannee County forms a block of 3,589.8 mi² of land, of which it holds 19.2%.

Map of Suwannee County and the 5 county equivalents that border it Lafayette County, Florida: 543.3 mi² landColumbia County, Florida: 797.4 mi² landHamilton County, Florida: 514.3 mi² landMadison County, Florida: 696.5 mi² landGilchrist County, Florida: 349.7 mi² land
Suwannee County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. SuwanneeCompare
Columbia County797.41.2× largerCompare
Madison County696.5about the sameCompare
Lafayette County543.31.3× smallerCompare
Hamilton County514.31.3× smallerCompare
Gilchrist County349.72× smallerCompare

How big is Suwannee County compared with U.S. states?

Suwannee County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.5 times as much. Florida’s county land could hold about 78 areas the size of Suwannee County.

Land area: Suwannee County and the closest-sized states
Suwannee County688.6 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 26.2 miles (42.2 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Suwannee County?

Suwannee County has more land than 1,862 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Suwannee County688.6 mi²
Florida median696.5 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Suwannee County at #1,458 nationally by total area, 98 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 0.5%, compared with a national county-equivalent median of 1.2% — 0.6 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Suwannee County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1359Ross County, Ohio689.2Compare
#1360Suwannee County, Florida688.6This county
#1361Cambria County, Pennsylvania688Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 30.189244, -82.992754. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,783,430,065 m²; AWATER: 9,505,392 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Suwannee County?

Suwannee County, Florida has 688.6 square miles (1,783.4 km²) of land and 3.67 square miles of water, for a total area of 692.3 square miles. It ranks #1360 of 3,222 U.S. county equivalents by land area.

Is Suwannee County the largest county in Florida?

No. Suwannee County ranks #35 of 67 in Florida by land area. The largest is Collier County, with 1,997 square miles of land.

What counties border Suwannee County?

Suwannee County shares a land border with Lafayette County, Columbia County, Hamilton County, Madison County, and Gilchrist County.

What is the population of Suwannee County?

The Census Bureau estimates Suwannee County had 48,149 residents on July 1, 2025, ranking #1,049 of 3,222 county equivalents. That is 70 people per square mile of land.

What is the county seat of Suwannee County?

The county seat of Suwannee County is Live Oak.

What cities and towns are in Suwannee County?

Suwannee County has 2 incorporated places. The most populous are Live Oak city and Branford town; 40,121 residents live outside any incorporated place.

Is Suwannee County part of a metropolitan area?

No. Suwannee County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Suwannee County?

9 ZIP Code Tabulation Areas have land in Suwannee County, and 5 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Suwannee County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.5 times as much land.

How many acres of land are in Suwannee County?

The land measurement converts to approximately 440,695 acres. Including water, total area is approximately 443,044 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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