Postal Codes

63123 ZIP Code

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ZIP code 63123 covers Saint Louis, Missouri, with a population of about 49,826 and a median household income of $74,187.

Population
49,8264,001 per square mile
Median age
412.3 points above the US average
Median household income
$74,1871.1× the Missouri median
Poverty rate
7.4%5 points below the US average
Typical home value
$250,896up 23.3% in five years
Median rent
$987about the Missouri median
Degree or higher
36%1 points above the US average
Homeownership
74%9 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
934

Where 63123 is

Saint Louis, Missouri — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population49,826
Median age41
Family households58.6%
Born outside the US13.3%
Speaks a language other than English at home17%
White (non-Hispanic)81.9%
Black (non-Hispanic)3.5%
Asian (non-Hispanic)4.8%
Hispanic or Latino4.7%
Veterans7.4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$74,187
Income per person$41,397
Poverty rate7.4%
Households on SNAP or cash assistance6.6%

Household income distribution

Under $10k3.4%
$10–15k2.7%
$15–20k1.5%
$20–25k4.2%
$25–30k3.5%
$30–35k3.8%
$35–40k3.9%
$40–45k4.4%
$45–50k4.0%
$50–60k8.2%
$60–75k11.0%
$75–100k15.9%
$100–125k10.4%
$125–150k9.0%
$150–200k7.9%
$200k or more6.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed26,750
Mean adjusted gross income$69,551
Returns declaring $200,000 or more3.6%
Returns, under $25k24.3%
Returns, $25k–$50k24.6%
Returns, $50k–$75k18.8%
Returns, $75k–$100k11.7%
Returns, $100k–$200k17.0%
Returns, $200k or more3.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$205,300
Median gross rent$987
Rent as a share of household income26.5%
Owner-occupied74%
Vacant homes5.8%
Median year built1960

What the homes are

Detached house76.5%
Attached house1.7%
2 to 4 units8.2%
5 to 19 units9.4%
20 or more units3.8%
Mobile home0.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$250,896as of 2026-07
Typical home value, 1 yearup 2.1%
Typical home value, 5 yearsup 23.3%
Typical home value, 10 yearsup 69.9%
Typical asking rent$1,493as of 2026-07
Typical asking rent, 1 yearup 2.3%
Typical asking rent, 5 yearsup 37.9%
Typical home value since 2000
200020132026$250,896$107,838

$107,838 in 2000 to $250,896 in 2026.

Typical asking rent
202120232026$1,493$1,083

$1,083 in 2021 to $1,493 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.5%
Bachelor's degree or higher36%
High school diploma or higher92.3%
Works from home11.4%
Drives to work alone77.6%
Takes public transport1.3%
Commutes 45 minutes or more8.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity29.7% 3.7 pts below the national average of 33.4%
Diagnosed diabetes10.3% 1.7 pts below the national average of 12%
Currently smokes14.5% 1.3 pts above the national average of 13.2%
High blood pressure34.3% same as the national average of 34.1%
Fair or poor general health17.5% 2.8 pts below the national average of 20.3%
No health insurance (18–64)7.2% 4.1 pts below the national average of 11.3%
Depression24.9% 3 pts above the national average of 21.9%
No leisure-time physical activity24.8% 0.6 pts below the national average of 25.4%
Arthritis28.2% 3.1 pts above the national average of 25.1%
Binge drinking17.8% 1.8 pts above the national average of 16%
Taking blood pressure medication77.8% 3.1 pts above the national average of 74.7%
Cancer (non-skin)9.2% 1.5 pts above the national average of 7.7%
Current asthma10.5% same as the national average of 10.4%
Coronary heart disease6.2% same as the national average of 6.2%
Routine check-up in past year77.6% 0.9 pts above the national average of 76.7%
Cholesterol screening85.7% same as the national average of 85.9%
Cognitive disability15.6% 0.8 pts above the national average of 14.8%
Colorectal screening68.9% 4.6 pts above the national average of 64.3%
COPD7% same as the national average of 6.6%
Visited a dentist65% 3.7 pts above the national average of 61.3%
Any disability33.4% 2.7 pts above the national average of 30.7%
Lacks emotional support19.5% 5.3 pts below the national average of 24.8%
Food insecurity10.3% 6.8 pts below the national average of 17.1%
Received food stamps7.6% 6.7 pts below the national average of 14.3%
Hearing disability7.9% 1.2 pts above the national average of 6.7%
High cholesterol36.9% 0.7 pts above the national average of 36.2%
Housing insecurity9.8% 4 pts below the national average of 13.8%
Independent living disability8.2% same as the national average of 8.4%
Lacks transport6.7% 2.5 pts below the national average of 9.2%
Loneliness32.6% 1.8 pts below the national average of 34.4%
Mammography use77.2% 1.3 pts above the national average of 75.9%
Poor mental health (14+ days)16.8% same as the national average of 16.8%
Mobility disability13.7% same as the national average of 14%
Poor physical health (14+ days)13.2% same as the national average of 13.5%
Self-care disability3.2% 0.8 pts below the national average of 4%
Utility shut-off threat7% 1.8 pts below the national average of 8.8%
Sleeps under 7 hours31.5% 4.9 pts below the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost12.2% 0.8 pts below the national average of 13%
Vision disability4.2% 1.4 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments934
People employed15,149
Annual payroll$957,227,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 84.4% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 17 census tracts this ZIP code covers
Expected annual loss87.4 out of 100
Community resilience70.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Heat wave99.2Very High at its worst in this ZIP code
Hail89.9Very High at its worst in this ZIP code
Earthquake87.1Relatively High at its worst in this ZIP code
Cold wave80.2Relatively High at its worst in this ZIP code
Lightning74.2Relatively High at its worst in this ZIP code
Ice storm72.7Relatively High at its worst in this ZIP code
River flooding69.4Relatively High at its worst in this ZIP code
Winter weather68.9Relatively High at its worst in this ZIP code
Landslide66.3Relatively Low at its worst in this ZIP code
Tornado63.8Relatively High at its worst in this ZIP code
Strong wind38.8Relatively Moderate at its worst in this ZIP code
Wildfire29.2Very Low at its worst in this ZIP code
Hurricane22.5Very Low at its worst in this ZIP code
Compared with Missouri and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMissouriUnited States
Median household income$74,187$68,920$78,538
Income per person$41,397$38,497$43,289
Poverty rate7.4%12.6%12.4%
Median home value$205,300$215,600$303,400
Median gross rent$987$996$1,348
Homeownership74%67.9%65%
Bachelor's degree or higher36%31.9%35%
Unemployment rate2.5%4.1%5.2%
Works from home11.4%11.6%13.5%
Born outside the US13.3%4.4%13.9%
Median age4138.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationST LOUIS SCI CTR, MO US10.3 km away
Rain in a year44 in

Average high and low by month

January40.6°F / 24.6°F2.71 in rain
February46.2°F / 28.4°F2.28 in rain
March56.3°F / 37.8°F3.61 in rain
April67.7°F / 48°F4.83 in rain
May77.3°F / 58.6°F4.9 in rain
June86°F / 67.4°F4.74 in rain
July89.6°F / 71.6°F4.21 in rain
August88.5°F / 69.9°F3.75 in rain
September81.5°F / 61.7°F3.41 in rain
October69.7°F / 50°F3.2 in rain
November56.2°F / 39°F3.69 in rain
December45°F / 29.9°F2.58 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket13% of this ZIP code's area
Far from a supermarket69% of this ZIP code's area
No vehicle and far from a supermarket37% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 5 school districts, so the address decides which one, not the ZIP code.

Affton 101 School District40.3% of this ZIP code's land area
Lindbergh School District24.9% of this ZIP code's land area
Bayless School District16.4% of this ZIP code's land area
Mehlville R-IX School District13.5% of this ZIP code's land area
St. Louis City School District4.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status26more vulnerable than 26% of US census tracts
Household characteristics50more vulnerable than 50% of US census tracts
Racial and ethnic minority status25more vulnerable than 25% of US census tracts
Housing type and transport36more vulnerable than 36% of US census tracts
Walkability10.8 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

63125 Saint Louis, MO3.4 km away
63126 Saint Louis, MO5 km away
63109 Saint Louis, MO5 km away
63119 Saint Louis, MO5.1 km away
63116 Saint Louis, MO6.5 km away
63111 Saint Louis, MO6.7 km away
63143 Saint Louis, MO7.1 km away
63127 Saint Louis, MO7.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

St. Louis County95.1% of this ZIP code's land area
St. Louis city4.9% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area12.45 sq mi
Water area0.1 sq mi
Population density4,001 people per sq mi
Latitude, longitude38.5476, -90.3241

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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