COUNTY · NE
Douglas County, Nebraska
Douglas County is a county in Nebraska with FIPS code 31055 and an estimated population of 589,540 (Census 2023), 1st largest of 93 in the state.
County facts
- Name
- Douglas County
- State
- Nebraska
- Type
- county
- FIPS code
- 31055
- State FIPS
- 31
- Population (2023)
- 589,540
- Change since 2020
- +0.7%
- State rank
- 1 of 93
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Douglas County
Other counties in Nebraska
Questions
What is the FIPS code for Douglas County?
Douglas County, Nebraska has the five-digit FIPS code 31055: 31 for the state and 055 for the county.
What state is Douglas County in?
Douglas County is in Nebraska.
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.