The population of Gas Hills City, California is primarily white. There is a large proportion of young adults in the late 20s to early 40s, and there is also a significant percentage of people in middle-aged occupations. The percentage of children under 18 living in the city is quite high when compared to other parts of the United States. The city has a small percentage of vacancies, but there are several institutions that provide public services, such as a correctional facility and nursing home.