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ZIP CodeStandard

63121

Saint Louis, MO

ZIP Code 63121 in Saint Louis, MO has a population of 22,909 and a median household income of $42,701. Explore Census demographics, housing, and a map.

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
22,909
People
Median age
33.2
Housing
Total households
11,142
Income
Median household income
$42,701
Housing
Total housing units
13,008
Employment
Employment rate
54.4%
Education
Bachelor’s degree or higher
24.2%
Healthcare
Insured population
88.2%
ZIP details
Local time 23:40:52(CT)
LocationSaint Louis, MO
CountySt. Louis
Area code
TimezoneCentral Time (CT)
Coordinates38.708063, -90.3006261
Land area6.8 sq miles(17,537,077 m²)

Map of ZIP Code 63121 — Saint Louis, MO

Map of ZIP Code 63121 — Saint Louis, MO

Nearby ZIP codes

ZIP codes near 63121.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS