CITY · SC

What county is Myrtle Beach, SC in?

Myrtle Beach, SC is mostly in Horry County. County FIPS code 45051, population 397,478 (2023 estimate).

County details

City: Myrtle Beach, South Carolina
Primary county: Horry County
FIPS code: 45051
County population: 397,478

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

Questions

What county is Myrtle Beach in?

Myrtle Beach, SC is mostly in Horry County.

What is the county seat of Horry 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.