
Killeen
- County:
- Bell County
- County Seat:
- No
- Area (mi²):
- 54.628
- State:
- Texas
Killeen is a city located in Bell County, Texas. Killeen has a 2025 population of 163,581. Killeen is currently growing at a rate of 1.22% annually and its population has increased by 6.4% since the most recent census, which recorded a population of 153,735 in 2020.
The average household income in Killeen is $73,467 with a poverty rate of 17.16%. The median age in Killeen is 30 years: 28.8 years for males, and 31.5 years for females.