ZIP Code 63121 Demographics

St. Louis County, Missouri  ·  ACS 2022 5-Year Estimates

ACS 2022 Data

Population & Income Overview

Key statistics for ZIP code 63121 compared to county averages.

Total Population

24,126

↓ 97.6% vs county

Median HH Income

$39,668

↓ 49.2% vs county

Median Home Value

$89,800

↓ 64.0% vs county

Median Age

38.3 yrs

↑ 4.7% vs county

Unemployment Rate

8.6%

↓ +100.5% vs county

Income & Housing Comparison

How ZIP 63121 compares to St. Louis County and Missouri overall. Data from ACS 2022 5-year estimates.

Median Household Income ZIP 63121 $40k St. Louis $78k Missouri $66k

Source: ACS 2022 5-Year Estimates, Table B19013

Median Home Value ZIP 63121 $90k St. Louis $249k Missouri $199k

Source: ACS 2022 5-Year Estimates, Table B25077

Education & Employment

Bachelor's Rate

13.5%

of adults 25+ hold a bachelor's degree or higher

Owner Occupancy

51.0%

of occupied housing units are owner-occupied

Median Gross Rent

$889

per month including utilities

Rent vs. Buy Affordability

Compare estimated monthly costs of home ownership vs renting in ZIP Code 63121 using local Census metrics.

Median Home Value$89,800
Down Payment (20%)$17,960
Interest Rate6.5%
Loan Term

Estimated Monthly Costs

Buy (Mortgage, Tax, Ins.)
$570P&I: $454 | Tax: $90 | Ins: $26
Rent (Local Median)
$889
Buying is CheaperBuying a home is estimated to save you $319/month compared to local rents.

How Does 63121 Compare?

Enter another ZIP code to see a side-by-side comparison.

Location & Neighboring Areas

Interactive map showing ZIP code 63121 (blue pin) and surrounding areas (purple pins). Click pins to view details.

Nearby ZIP Codes

ZIP codes geographically closest to 63121, sorted by distance.

63133 1.8 mi away st louis county 63120 2.4 mi away st louis city 63140 2.5 mi away st louis county 63135 3.0 mi away st louis county 63136 3.4 mi away st louis county 63134 3.5 mi away st louis county 63115 3.7 mi away st louis city 63147 4.7 mi away st louis city

About St. Louis County

St. Louis County is located in Missouri and has a total population of 999,703. The county's median household income is $78,067 and median home value is $249,400. ZIP code 63121 is one of many ZCTAs within this county.

View all ZIP codes in St. Louis County

Data source: American Community Survey (ACS) 2022 5-Year Estimates, U.S. Census Bureau. ZCTAs (ZIP Code Tabulation Areas) are used as proxies for USPS ZIP codes. Some USPS ZIP codes may not have a corresponding ZCTA.