Statistic St. Louis Missouri National
Population 304,709 6,137,428 328,239,523
Population density (sq mi) 4,936 90 91
Median age 36.0 38.3 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 38% 57% 55%
Families w/ Kids under 18 42% 42% 43%
Speak English 90% 94% 79%
Speak Spanish 3% 3% 13%
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Demographics Quick Facts

  • The population density in St. Louis is 5384% higher than Missouri
  • The median age in St. Louis is 6% lower than Missouri
  • In St. Louis 46.44% of the population is White
  • In St. Louis 45.66% of the population is Black
  • In St. Louis 3.37% of the population is Asian

Compare St. Louis, MO Demographics

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      St. Louis population breakdown by race

      Race St. Louis Missouri National
      White 46.44% 82.53% 73.35%
      Black 45.66% 11.58% 12.63%
      Asian 3.37% 1.78% 5.22%
      American Indian 0.26% 0.42% 0.82%
      Native Hawaiian 0.04% 0.11% 0.18%
      Mixed race 3.10% 2.44% 3.06%
      Other race 1.13% 1.13% 4.75%
      In St. Louis, 4.1% 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

      St. Louis age breakdown

      Marital status

      Age of children in married couples

      Source: The St. Louis, MO demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).