StatisticSaint JohnsAustinTexas
Population density (sq mi)5,5472,830113
Median age31.132.434.2
Male/Female ratio1.3:11.0:11.0:1
Married (15yrs & older)n/a44%56%
Families w/ Kids under 1856%49%48%
Speak Englishn/a68%65%
Speak Spanishn/a24%30%

Key findings

  • The population density in Saint Johns is 96% higher than Austin
  • The median age in Saint Johns is 4% lower than Austin
  • In Saint Johns 66.91% of the population is White
  • In Saint Johns 11.29% of the population is Black
  • In Saint Johns 1.77% of the population is Asian

Compare Austin, TX Demographics


      Saint Johns population breakdown by race

      RaceSaint JohnsAustinTexas
      American Indian0.14%0.43%0.48%
      Native Hawaiian0.00%0.08%0.08%
      Mixed race1.84%3.16%2.50%
      Other race18.05%6.08%5.79%
      In Saint Johns, 34.5% 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

      Saint Johns age breakdown

      Marital status

      Age of children in married couples

      Source: The Saint Johns, Austin, TX demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).