In 1955, the city had 21,076 people and 224 businesses. This growth brought additional military activity to the area and put additional strain on the city's infrastructure. Schools, water and sewer facilities, and increased police and firemen numbers were needed to meet the increased demand. The municipal government developed a master plan for city amenities in 1955, but the 1950s recession led to troop cutbacks and transfers. The population of Killeen continued to grow, and in the mid-1950s, the US Military returned to Fort Hood.
The number of businesses in Killeen increased from 55 in 1931 to 71 in 1940. At the time of the 1940 census, the population numbered 1,263 people. According to the United States Census, the city had a median household income of $44,370. The per capita income was $20,095, compared to the national average of $36,975. In Killeen, a quarter of the population lived below the poverty line.
Killeen has a unique ethnic blend. The majority of residents are White, while the rest are Black or African American. There are both suburban and urban areas within the city. Killeen's population is expected to continue to grow as the city grows. Regardless of whether you're looking for an apartment complex or a cozy home, you'll find everything you need in Killeen.