Lancaster County is a county located in the U.S. state of Nebraska. As of the 2020 census, the population was 322,608, and was estimated to be 334,049 in 2025, making it the second-most populous county in Nebraska. The county seat and the largest city is Lincoln, the second-most populous city in Nebraska and the state capital. It is the 72nd-most populous city in the United States.
- Country
- United States
- Inception
- 1854
- Website
- http://lancaster.ne.gov
