The 2016 Rock Springs, Wyoming, population is 23,962. There are 1,239 people per square mile (population density).
The median age is 32.6. The US median is 37.4. 53.83% of people in Rock Springs, Wyoming, are married. 15.15% are divorced.
The average household size is 2.54 people. 37.06% of people are married, with children. 17.79% have children, but are single.
76.60% of people are white, 1.21% are black, 1.23% are asian, 0.15% are native american, and 0.00% claim 'Other'.
17.48% of the people in Rock Springs, Wyoming, claim hispanic ethnicity (meaning 82.52% are non-hispanic).