Franklin County area

Franklin County, Virginia covers 711.6 square miles: 690.6 square miles of land and 21 square miles of water. Its county seat is Rocky Mount. An estimated 55,526 people lived there in 2025.

Official Census measurements · GEOID 510672026 Gazetteer · retrieved September 27, 2026
Land area690.6 mi²
Water area21 mi²
Population (2025)55,526
People per mi²80

County outline

Generalized outline of Franklin County, Virginia
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 97% of Franklin County’s measured area and water for 3%. Its combined area converts to 1,843.1 square kilometers or approximately 455,434 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land690.6111,788.674441,991
Water21.00554.40313,443.2
Total711.6161,843.077455,434.2

How Franklin County compares

By original Census land area, Franklin County ranks #7 of 133 in Virginia and #1356 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 2.228 times the Virginia county-equivalent median of 310 square miles. It accounts for 1.7% of the combined county land area in the state.

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

Population and density of Franklin County

The Census Bureau estimates that 55,526 people lived in Franklin County on July 1, 2025. That ranks #956 of 3,222 county equivalents nationally and #34 of 133 in Virginia. Since the April 1, 2020 estimates base of 54,457, the population has grown by 1,069 (+2%), compared with +2.9% for Virginia as a whole.

With 690.6 square miles of land, that is 80 people per square mile (31 per km²), placing Franklin County #1,153 nationally for density and #82 in Virginia. The median county equivalent has 47 people per square mile; the Virginia median is 109. Put another way, there are about 8 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate54,47855,03755,05455,47555,61255,526
Change—+559+17+421+137−86

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 Franklin County

2 incorporated places lie at least partly in Franklin County. Together they are home to 5,231 people (9.4%); the other 50,295 (90.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Rocky Mount town, with 4,973 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Rocky Mount townCounty seat4,973+1.4%6.829
Boones Mill town258+0.8%0.739

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

Metropolitan area

Franklin County is an outlying county of the Roanoke, VA Metropolitan Statistical Area. Its 6 county equivalents have 316,547 residents on 1,867.6 square miles of land; Franklin County accounts for 37% of the land and 17.5% of the residents. By combined land it ranks #168 of 393 metropolitan areas, and #167 by population.

County equivalentPopulation 2025Land mi²
Roanoke city99,11142.5
Roanoke County97,150250.5
Franklin County55,526690.6
Botetourt County34,144541.3
Salem city25,81614.5
Craig County4,800328.1

ZIP codes

16 ZIP Code Tabulation Areas have land in Franklin County; 10 of them have most of their land inside the county, and the others mainly cover neighboring areas.

24055240592406524067240792408824091240922410124102241122412124137241512417624184

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 Franklin County

Franklin County shares a land border with 6 county equivalents. It has more land than 4 of them. The largest neighbor is Pittsylvania County (969 mi²) and the smallest is Roanoke County (250.5 mi²). Together with its neighbors, Franklin County forms a block of 3,916.5 mi² of land, of which it holds 17.6%.

Map of Franklin County and the 6 county equivalents that border it Henry County, Virginia: 382.4 mi² landBedford County, Virginia: 760.1 mi² landFloyd County, Virginia: 380.9 mi² landRoanoke County, Virginia: 250.5 mi² landPittsylvania County, Virginia: 969 mi² landPatrick County, Virginia: 483 mi² land
Franklin 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. FranklinCompare
Pittsylvania County9691.4× largerCompare
Bedford County760.11.1× largerCompare
Patrick County4831.4× smallerCompare
Henry County382.41.8× smallerCompare
Floyd County380.91.8× smallerCompare
Roanoke County250.52.8× smallerCompare

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

Franklin 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. Virginia’s county land could hold about 57 areas the size of Franklin County.

Land area: Franklin County and the closest-sized states
Franklin County690.6 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 26.3 miles (42.3 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 Franklin County?

Franklin County has more land than 1,866 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Franklin County690.6 mi²
Virginia median310 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 #1,414 nationally by total area, 58 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 3%, compared with a national county-equivalent median of 1.2% — 1.8 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
#1355Lawrence County, Alabama690.7Compare
#1356Franklin County, Virginia690.6This county
#1357Phillips County, Arkansas690.4Compare

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 36.989234, -79.883054. 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: 1,788,673,577 m²; AWATER: 54,402,654 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 Franklin County?

Franklin County, Virginia has 690.6 square miles (1,788.7 km²) of land and 21 square miles of water, for a total area of 711.6 square miles. It ranks #1356 of 3,222 U.S. county equivalents by land area.

Is Franklin County the largest county in Virginia?

No. Franklin County ranks #7 of 133 in Virginia by land area. The largest is Pittsylvania County, with 969 square miles of land.

What counties border Franklin County?

Franklin County shares a land border with Henry County, Bedford County, Floyd County, Roanoke County, Pittsylvania County, and Patrick County.

What is the population of Franklin County?

The Census Bureau estimates Franklin County had 55,526 residents on July 1, 2025, ranking #956 of 3,222 county equivalents. That is 80 people per square mile of land.

What is the county seat of Franklin County?

The county seat of Franklin County is Rocky Mount.

What cities and towns are in Franklin County?

Franklin County has 2 incorporated places. The most populous are Rocky Mount town and Boones Mill town; 50,295 residents live outside any incorporated place.

Is Franklin County part of a metropolitan area?

Yes. It is an outlying county of the Roanoke, VA Metropolitan Statistical Area, which has 6 county equivalents and 316,547 residents.

How many ZIP codes are in Franklin County?

16 ZIP Code Tabulation Areas have land in Franklin County, and 10 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Franklin 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 Franklin County?

The land measurement converts to approximately 441,991 acres. Including water, total area is approximately 455,434 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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