CITY · NC

What county is Wilmington, NC in?

Wilmington, NC is mostly in New Hanover County. County FIPS code 37129, population 238,852 (2023 estimate).

County details

City: Wilmington, North Carolina
Primary county: New Hanover County
FIPS code: 37129
County population: 238,852

Some cities extend into more than one county. Wilmington is placed in the county that contains its center. For a specific address, use the address lookup.

Questions

What county is Wilmington in?

Wilmington, NC is mostly in New Hanover County.

What is the county seat of New Hanover County?

County seats are not part of the data on this site. Check the county’s official website.

Can a city be in two counties?

Yes. Large cities such as Houston and Atlanta cross county lines. The address lookup shows the exact county for any street address.

Sources: U.S. Census Bureau geographic reference files; FCC Area API; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.