People in Round Rock (zip 78665), Texas
Cost of Living,
The 2012 Round Rock (zip 78665), TX, population is 36,213. There are 1,653 people per square mile (population density).
Family in Round Rock (zip 78665), TX
The median age is 31.6. The US median is 37.3. 58.82% of people in Round Rock (zip 78665), TX, are married. 7.66% are divorced.
The average household size is 2.94 people. 49.85% of people are married, with children. 12.33% have children, but are single.
Race in Round Rock (zip 78665), TX
70.96% of people are white, 10.53% are black, 7.56% are asian, 0.54% are native american, and 10.41% claim 'Other'.
2.31% of the people in Round Rock (zip 78665), TX, claim hispanic ethnicity (meaning 97.69% are non-hispanic).
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