Killeen is a city in Bell County, Texas, United States. According to the 2020 census, its population was 153,095, making it the 21st-most populous city in Texas and the largest of the three principal cities of Bell County. It is the principal city of the Killeen–Temple–Fort Hood Metropolitan Statistical Area. Killeen is 55 miles north of Austin, 125 miles southwest of Dallas, and 125 miles northeast of San Antonio.
Killeen is directly adjacent to the main cantonment of Fort Hood. Its economy depends on the activities of the post, and the soldiers and their families stationed there. It is known as a military "boom town" because of its rapid growth and high influx of soldiers.
Coordinates 31°7'1.719" N -97°43'40.066" E