Saint Louis, MO 63121 ZIP Code Profile


ZIP Code 63121: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saint Louis, MO 63121

Acceptable Alternative
Normandy, MO 63121

Not Acceptable, USPS
Bel Nor, MO 63121
Bel Ridge, MO 63121
Bellerive, MO 63121
Beverly Hills, MO 63121
Northwoods, MO 63121
Pasadena Hills, MO 63121
Pasadena Park, MO 63121
Velda Village Hills, MO 63121

  • ZIP Code Type: STANDARD
  • County: Saint Louis County
  • Centroid: Latitude 38.704, Longitude -90.299
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 525
  • PO Box Addresses: 295
  • Residential Addresses: 10,957
    • Multi-Family Addresses: 1,681
    • Single Family Addresses: 9,276

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 63121 2018 Demographic Data
  2. Growth Rates for 63121 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Missouri Research Tools (Easy Tools & Current Data)
  3. Missouri Data Comparison Tool - 2018 Demographics

Research a Missouri Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Saint Louis, MO 63121 Data & Demographics (As of July 1, 2018)


Total Population 26,292
Population in Households 25,673
Population in Familes 19,534
Population in Group Qrtrs 619
Population Density2 3,741
Diversity Index3 30


Median Household Income $37,123
Average Household Income $50,973
Per Capita Income $21,095


Total Housing Units 12,559 (100%)
Owner Occupied HU 5,279 (42.0%)
Renter Occupied HU 5,352 (42.6%)
Vacant Housing Units 1,928 (15.4%)
Median Home Value $87,446
Average Home Value $111,328


Total Households 10,631
Average Household Size 2.41
Family Households 6,345
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population -0.14% -0.04%
Households -0.17% -0.07%
Families -0.34% -0.18%
Median Household Income   3.22%
Per Capita Income   3.12%

Saint Louis, MO 63121 - Peer Comparisons by Rank and Percentile

The table below compares 63121 to the other 1,009 ZIP Codes in Missouri by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 63 94th
Population Density # 37 96th
Diversity Index # 168 83rd
Median Household Income # 816 19th
Per Capita Income # 733 27th

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features
  4. Research Public Schools & Attendance Zones

Missouri Census Data Comparison Tool

Compare Missouri July 1, 2018 Data
Highest or Lowest: