Census ACS · Missouri
ZIP Code 63031
ZIP code 63031 is located in Missouri with a population of 50,258. The median household income is $71,783 and the median home value is $144,500.
50,258
Population
$71,783
Median Income
$144,500
Median Home Value
38.1
Median Age
Race & Ethnicity
| White | 49.7% |
| Black | 41.6% |
| Asian | 0.0% |
| Hispanic (any race) | 2.1% |
Male: 47.3% · Female: 52.7%
Economy & Income
$71,783
Median Household Income
$35,115
Per Capita Income
7.9%
Poverty Rate
Housing
$144,500
Median Home Value
$1,351
Median Rent
71.5%
Homeownership
Education
91.8%
High School+
28.0%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Missouri
Part of Missouri
Metro areas in Missouri
Frequently Asked Questions
ZIP code 63031 in Missouri has a population of 50,258 according to latest Census ACS data.
The median household income in ZIP 63031 is $71,783. The per capita income is $35,115. The poverty rate is 7.9%.
ZIP code 63031 is located in Missouri.
More from Missouri
Data for ZIP Code Tabulation Area (ZCTA) 63031 from the American Community Survey 5-Year estimates. ZCTAs approximately correspond to USPS ZIP code delivery areas but are built from Census blocks and may not match exactly.
What distinguishes ZIP 63031 is density: among the most densely settled of US ZIP codes, around 3,337 people per square mile. With 50,258 residents, ZIP 63031 is a ZIP code in Missouri.
Median household income is $71,783, below the US median of $78,538. Poverty runs at 7.9%, below the national 12.4%. Property is affordable here, the median home worth $144,500, with typical rent around $1,351.
Roughly 28.0% of adults have a bachelor’s, below the national 35.0%.
That density explains much of the rest of the profile in ZIP 63031: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Source: U.S. Census Bureau ACS, 2026.