Killeen is a city in Bell County, Texas, in the United States. According to the 2010 census the population of Killeen is 127,921 making it the twenty-first most populous city in the state of Texas. It is the "principal city" of the Killeen–Temple–Fort Hood Metropolitan Statistical Area.
Killeen is directly adjacent to the main cantonment of Fort Hood, and as such its economy heavily depends on the post and the soldiers (and their families) stationed there.
- Tribute to the Troops 2010 - December 11, 2010.