Saint Louis, MO 63121 ZIP Code Profile


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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
  • Businesses Addresses: 518
  • Single Family Addresses: 9,447
  • Multi-Family Addresses: 1,624
  • County: St. Louis County
  • Centroid: Latitude 38.704, Longitude -90.299
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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63121 ZIP Code Map

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Saint Louis, MO 63121 Data & Demographics (As of July 1, 2016)


Total Population 27,021
Population in Households 26,359
Population in Familes 20,236
Population in Group Qrtrs 662
Population Density1 3,657
Diversity Index2 31


Total Households 10,913
Average Household Size 2.42
Family Households 6,541
Average Family Size 3


Total Housing Units 12,977 (100%)
Owner Occupied HU 5,788 (44.6%)
Renter Occupied HU 5,125 (39.5%)
Vacant Housing Units 2,064 (15.9%)
Median Home Value $81,724
Average Home Value $102,510


Median Household Income $31,662
Average Household Income $44,712
Per Capita Income $18,562
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.23% -0.09%
Households -0.28% -0.13%
Families -0.47% -0.25%
Median Household Income   -0.45%
Per Capita Income   1.21%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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

The table below compares 63121 to the other 1,011 ZIP Codes in Missouri by rank and percentile using July 1, 2016 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 # 56 95th
Population Density1 # 37 96th
Diversity Index2 # 161 84th
Median Household Income # 895 12th
Per Capita Income # 792 22nd

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

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