FL · GEOID 12037

Franklin County area

Franklin County, Florida covers 1,421.6 square miles: 545 square miles of land and 876.6 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area545 mi²
Water area876.6 mi²
Total area1,421.6 mi²
National land rank#1912

County outline

Generalized outline of Franklin 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 Franklin County is located

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

Area breakdown

Land accounts for 38.3% of Franklin County’s measured area and water for 61.7%. Its combined area converts to 3,681.9 square kilometers or approximately 909,827 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land545.0021,411.549348,801.3
Water876.6032,270.391561,025.9
Total1,421.6053,681.94909,827.2

How Franklin County compares

By original Census land area, Franklin County ranks #54 of 67 in Florida and #1912 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.782 times the Florida county-equivalent median of 696.5 square miles. It accounts for 1% of the combined county land area in the state.

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

What stands out about Franklin County?

Franklin County has more land than 1,310 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Franklin County545 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 Franklin County at #487 nationally by total area, 1,425 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 61.7%, compared with a national county-equivalent median of 1.2% — 60.5 percentage points higher. 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 Franklin County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1911Cumberland County, Pennsylvania545.5Compare
#1912Franklin County, Florida545This county
#1913Pike County, Pennsylvania544.9Compare

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 29.677794, -84.815213. 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: 1,411,549,431 m²; AWATER: 2,270,390,072 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 many acres of land are in Franklin County?

The land measurement converts to approximately 348,801 acres. Including water, total area is approximately 909,827 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

Download the complete CSV or JSON dataset