CITY · TX

What county is McAllen, TX in?

McAllen, TX is mostly in Hidalgo County. County FIPS code 48215, population 898,471 (2023 estimate).

County details

City: McAllen, Texas
Primary county: Hidalgo County
FIPS code: 48215
County population: 898,471

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

Questions

What county is McAllen in?

McAllen, TX is mostly in Hidalgo County.

What is the county seat of Hidalgo 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.