Statistic Round Rock Arizona National
Population 769 7,278,717 328,239,523
Population density (sq mi) 54 65 91
Median age 24.9 37.1 37.7
Male/Female ratio 0.6:1 1.0:1 1.0:1
Married (15yrs & older) 37% 53% 55%
Families w/ Kids under 18 52% 42% 43%
Speak English 21% 73% 79%
Speak Spanish 0% 20% 13%
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Demographics Quick Facts

  • The population density in Round Rock is 17% lower than Arizona
  • The median age in Round Rock is 33% lower than Arizona
  • In Round Rock 0.00% of the population is White
  • In Round Rock 0.00% of the population is Black
  • In Round Rock 0.00% of the population is Asian

Compare Round Rock, AZ Demographics

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      Round Rock racial demographics

      Race Round Rock Arizona National
      White 0.00% 77.80% 73.35%
      Black 0.00% 4.27% 12.63%
      Asian 0.00% 3.05% 5.22%
      American Indian 100.00% 4.41% 0.82%
      Native Hawaiian 0.00% 0.19% 0.18%
      Mixed race 0.00% 3.31% 3.06%
      Other race 0.00% 6.97% 4.75%
      In Round Rock, 0.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Round Rock age breakdown

      Marital status

      Age of children in married couples

      Source: The Round Rock, AZ demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).