COUNTY · OK
Tulsa County, Oklahoma
Tulsa County is a county in Oklahoma with FIPS code 40143 and an estimated population of 682,868 (Census 2023), 2nd largest of 77 in the state.
County facts
- Name
- Tulsa County
- State
- Oklahoma
- Type
- county
- FIPS code
- 40143
- State FIPS
- 40
- Population (2023)
- 682,868
- Change since 2020
- +1.8%
- State rank
- 2 of 77
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Tulsa County
Other counties in Oklahoma
Questions
What is the FIPS code for Tulsa County?
Tulsa County, Oklahoma has the five-digit FIPS code 40143: 40 for the state and 143 for the county.
What state is Tulsa County in?
Tulsa County is in Oklahoma.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.