CITY · NE
What county is Omaha, NE in?
Omaha, NE is mostly in Douglas County. County FIPS code 31055, population 589,540 (2023 estimate).
County details
- City
- Omaha, Nebraska
- Primary county
- Douglas County
- FIPS code
- 31055
- County population
- 589,540
Some cities extend into more than one county. Omaha is placed in the county that contains its center. For a specific address, use the address lookup.
Questions
What county is Omaha in?
Omaha, NE is mostly in Douglas County.
What is the county seat of Douglas 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.