ZIP Code 63138 has segments in 2 Counties (Saint Louis, Saint Louis City).
Businesses Addresses: 282
PO Box Addresses: 177
Residential Addresses: 7,537
Multi-Family Addresses: 577
Single Family Addresses: 6,960
The ZIP Code maps and database are updated 4 times per year. Database updated: March 1, 2026, Maps updated: May 1, 2024.
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Saint Louis, MO 63138 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION
Total Population
18,233 (100%)
Population Density
984 per sq mi
Diversity Index1
35
INCOME
Median Household Income
$56,096
Per Capita Income
$30,043
Median Home Value
$139,100
HOUSING
Total HU (Housing Units)
9,082 (100%)
Owner Occupied HU
3,659 (40.3%)
Renter Occupied HU
3,680 (40.5%)
Vacant Housing Units
1,743 (19.2%)
HOUSEHOLDS
Total Households
7,339
Average Household Size
2.44
Family Households
4,604 (62.7%)
NOTES
The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).
Saint Louis, MO 63138 - Peer Comparisons by Rank and Percentile
The table below compares 63138 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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.