Douglas County
Also known as Douglas County, Nebraska, Douglas County, NE
county in Nebraska, United States
Key facts
- Country
- United States
- State
- Nebraska
- Founded
- November 23, 1854
- Named after
- Stephen A. Douglas
- Seat
- Omaha
- Largest city
- Omaha
- Total
- 349.342 sq mi (904.79 km )
- Land
- 326.540 sq mi (845.73 km )
- Water
- 12.802 sq mi (33.16 km ) 3.66%
- Estimate 2025
- 606,460
- Density
- 1,790.06/sq mi (691.146/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
Article
Douglas County is a county located in the U.S. state of Nebraska. As of the 2020 census, the population was 584,526, and was estimated to be 606,460 in 2025, making it the most populous county in Nebraska. The county seat and the largest city is Omaha, the most populous city in Nebraska and the 41st-most populous city in the United States. It contains over 30.05% of the state's population.
Douglas County is part of the Omaha-Council Bluffs, NE-IA Metropolitan Statistical Area.