Caswell County area

Caswell County, North Carolina covers 428.7 square miles: 425.5 square miles of land and 3.202 square miles of water. Its county seat is Yanceyville. An estimated 22,563 people lived there in 2025.

Official Census measurements · GEOID 370332026 Gazetteer · retrieved September 27, 2026
Land area425.5 mi²
Water area3.202 mi²
Population (2025)22,563
People per mi²53

County outline

Generalized outline of Caswell County, North Carolina
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 Caswell County is located

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

Area breakdown

Land accounts for 99.3% of Caswell County’s measured area and water for 0.7%. Its combined area converts to 1,110.3 square kilometers or approximately 274,370 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land425.5011,102.043272,320.6
Water3.2028.2932,049.3
Total428.7031,110.336274,369.9

How Caswell County compares

By original Census land area, Caswell County ranks #58 of 100 in North Carolina and #2385 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.924 times the North Carolina county-equivalent median of 460.3 square miles. It accounts for 0.9% of the combined county land area in the state.

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

Population and density of Caswell County

The Census Bureau estimates that 22,563 people lived in Caswell County on July 1, 2025. That ranks #1,753 of 3,222 county equivalents nationally and #75 of 100 in North Carolina. Since the April 1, 2020 estimates base of 22,744, the population has declined by 181 (−0.8%), compared with +7.2% for North Carolina as a whole.

With 425.5 square miles of land, that is 53 people per square mile (20 per km²), placing Caswell County #1,494 nationally for density and #83 in North Carolina. The median county equivalent has 47 people per square mile; the North Carolina median is 116. Put another way, there are about 12 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate22,47622,50522,21822,47722,46122,563
Change—+29−287+259−16+102

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 Caswell County

2 incorporated places lie at least partly in Caswell County. Together they are home to 2,026 people (9%); the other 20,537 (91%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Yanceyville town, with 1,850 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Yanceyville townCounty seat1,850−3.1%6.762
Milton town1760%0.364

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

Metropolitan area

Caswell 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

16 ZIP Code Tabulation Areas have land in Caswell County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.

27212272172723127244272492729127302273052731127314273152732027326273432737927541

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 Caswell County

Caswell County shares a land border with 7 county equivalents, including 3 in Virginia. It has more land than 4 of them. The largest neighbor is Pittsylvania County (969 mi²) and the smallest is Danville city (42.8 mi²). Together with its neighbors, Caswell County forms a block of 4,034.1 mi² of land, of which it holds 10.5%.

Map of Caswell County and the 7 county equivalents that border it Person County, North Carolina: 392.4 mi² landRockingham County, North Carolina: 565.7 mi² landAlamance County, North Carolina: 423.5 mi² landPittsylvania County, Virginia: 969 mi² landDanville city, Virginia: 42.8 mi² landOrange County, North Carolina: 397.6 mi² landHalifax County, Virginia: 817.7 mi² land
Caswell 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. CaswellCompare
Pittsylvania CountyVirginia9692.3× largerCompare
Halifax CountyVirginia817.71.9× largerCompare
Rockingham County565.71.3× largerCompare
Alamance County423.5about the sameCompare
Orange County397.61.1× smallerCompare
Person County392.41.1× smallerCompare
Danville cityVirginia42.89.9× smallerCompare

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

Caswell County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.4 times as much. North Carolina’s county land could hold about 114 areas the size of Caswell County.

Land area: Caswell County and the closest-sized states
Caswell County425.5 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 20.6 miles (33.2 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 Caswell County?

Caswell County has more land than 837 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Caswell County425.5 mi²
North Carolina median460.3 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 Caswell County at #2,453 nationally by total area, 68 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 0.7%, compared with a national county-equivalent median of 1.2% — 0.4 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 Caswell County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2384Butler County, Kentucky426.1Compare
#2385Caswell County, North Carolina425.5This county
#2386Tishomingo County, Mississippi424.3Compare

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 36.395354, -79.339045. 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: 1,102,042,925 m²; AWATER: 8,293,624 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 Caswell County?

Caswell County, North Carolina has 425.5 square miles (1,102 km²) of land and 3.202 square miles of water, for a total area of 428.7 square miles. It ranks #2385 of 3,222 U.S. county equivalents by land area.

Is Caswell County the largest county in North Carolina?

No. Caswell County ranks #58 of 100 in North Carolina by land area. The largest is Robeson County, with 947.3 square miles of land.

What counties border Caswell County?

Caswell County shares a land border with Person County, Rockingham County, Alamance County, Pittsylvania County, Virginia, Danville city, Virginia, Orange County, and Halifax County, Virginia.

What is the population of Caswell County?

The Census Bureau estimates Caswell County had 22,563 residents on July 1, 2025, ranking #1,753 of 3,222 county equivalents. That is 53 people per square mile of land.

What is the county seat of Caswell County?

The county seat of Caswell County is Yanceyville.

What cities and towns are in Caswell County?

Caswell County has 2 incorporated places. The most populous are Yanceyville town and Milton town; 20,537 residents live outside any incorporated place.

Is Caswell County part of a metropolitan area?

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

How many ZIP codes are in Caswell County?

16 ZIP Code Tabulation Areas have land in Caswell County, and 7 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 2.4 times as much land.

How many acres of land are in Caswell County?

The land measurement converts to approximately 272,321 acres. Including water, total area is approximately 274,370 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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