63138 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Spanish Lake, MO

ZIP Code 63138: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saint Louis, MO 63138

Acceptable Alternative
North County, MO 63138

Not Acceptable, USPS
Spanish Lake, MO 63138

  • ZIP Code Type: STANDARD
  • County: Saint Louis County
  • Centroid: Latitude 38.795, Longitude -90.209
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 63138 has segments in 2 Counties (Saint Louis, Saint Louis City).

  • Businesses Addresses: 325
  • PO Box Addresses: 217
  • Residential Addresses: 8,152
    • Multi-Family Addresses: 619
    • Single Family Addresses: 7,533

The ZIP Code maps and database are updated 4 times per year.
Database updated: April 1, 2023, Maps updated: February 3, 2023.


Saint Louis, MO 63138 Data & Demographics (As of July 1, 2022)


Total Population 19,052 (100%)
Population in Households 18,855 (99.0%)
Population in Families 14,954 (78.5%)
Population in Group Quarters1 197 ( 1.0%)
Population Density 1,010
Diversity Index2 34


Median Household Income $44,109
Average Household Income $65,028
% of Income for Mortgage4 17%
Per Capita Income $25,741
Wealth Index5 46


Total HU (Housing Units) 9,142 (100%)
Owner Occupied HU 3,710 (40.6%)
Renter Occupied HU 3,835 (41.9%)
Vacant Housing Units 1,596 (17.5%)
Median Home Value $142,544
Average Home Value $212,416
Housing Affordability Index3 128


Total Households 7,546
Average Household Size 2.50
Family Households 4,691
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population -0.03% -0.18%
Households -0.06% -0.12%
Families   -0.17%
Median Household Income   4.04%
Per Capita Income   4.21%
Owner Occupied HU   0.37%

Saint Louis, MO 63138 - Peer Comparisons by Rank and Percentile

The table below compares 63138 to the other 1,003 ZIP Codes in Missouri by rank and percentile using July 1, 2022 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 # 104 90th
Population Density # 117 88th
Median Household Income # 824 18th
Housing Affordability Index # 156 16th
Per Capita Income # 756 25th
Diversity Index # 186 82nd

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

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