Chatham County, North Carolina

A county in North Carolina, ranked 34 of 100 by population.

CountyFIPS 37037

Within North Carolina
Chatham County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Pittsboro, the county seat, located via the 2025 Census Gazetteer.

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Population
85,111
+8,448 (+11.0%) since 2020
Land area
681.5
square miles. A further 3.8% of the total area is water
Population density
125
people per square mile, computed rather than published
County seat
Pittsboro
Seat of county government.
Established
1771
254 years ago
Largest city
Siler City town
Population 8,155.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Chatham County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Chatham County, North Carolina from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 575 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Chatham County ranks

Position among the 100 counties of North Carolina, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn North CarolinaNationally
Population85,11134th of 100693rd of 3,144
Land area681.5 sq mi18th of 1001,375th of 3,144
Population density125 per sq mi49th of 100773rd of 3,144
Median household income$94,3173rd of 100234th of 3,143

Full data for Chatham County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population85,111Vintage 2025 Population Estimates
Population in 202076,663Vintage 2025 Population Estimates
2020 estimates base?76,258Vintage 2025 Population Estimates
Land area681.5 sq mi2025 Gazetteer Files
Water area27.3 sq mi2025 Gazetteer Files
Total area708.7 sq mi2025 Gazetteer Files
Population density?125 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$94,317American Community Survey 2020-2024 5-Year Estimates
Median home value$446,200American Community Survey 2020-2024 5-Year Estimates
Median age47.6American Community Survey 2020-2024 5-Year Estimates
Households33,004American Community Survey 2020-2024 5-Year Estimates
Housing units35,914American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-118
725 births, 843 deaths
Net migration
+1,403
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 8 areas bordering Chatham County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Lee CountyNorth Carolina37 mi70,258
Wake CountyNorth Carolina23 mi1,257,235
Randolph CountyNorth Carolina23 mi149,516
Alamance CountyNorth Carolina20 mi186,177
Orange CountyNorth Carolina14 mi152,498
Moore CountyNorth Carolina12 mi110,619
Durham CountyNorth Carolina6.2 mi347,240
Harnett CountyNorth Carolina5.3 mi150,137

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 100 counties of North Carolina

Open the interactive North Carolina county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.