CITY · OK
What county is Tulsa, OK in?
Tulsa, OK is mostly in Tulsa County. County FIPS code 40143, population 682,868 (2023 estimate).
County details
- City
- Tulsa, Oklahoma
- Primary county
- Tulsa County
- FIPS code
- 40143
- County population
- 682,868
Some cities extend into more than one county. Tulsa is placed in the county that contains its center. For a specific address, use the address lookup.
Questions
What county is Tulsa in?
Tulsa, OK is mostly in Tulsa County.
What is the county seat of Tulsa 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.