63123 ZIP Code — Saint Louis, MO
Saint Louis County, Missouri
ZIP code 63123 is located in Saint Louis, Missouri, within Saint Louis County. It covers approximately 12.45 square miles and serves a population of 50,347 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 314.
About ZIP code 63123
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $191,900. Owner-occupancy sits near the national average at 72%.
Median household income is $71,054. The poverty rate of 7% is below the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.
Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.
50,347
population
12.45
sq mi land
Standard
ZIP type
Central (CT)
timezone
63123 ZIP code map
Cities in ZIP code 63123
Below are the cities the US Postal Service accepts for ZIP code 63123. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Saint Louis | Acceptable |
| Saint Louis | Acceptable |
| Saint Louis | Preferred |
Nearby ZIP codes
63125 Saint Louis (2.4 mi)
63109 Saint Louis (2.6 mi)
63119 Saint Louis (3.1 mi)
63126 Saint Louis (3.2 mi)
63116 Saint Louis (3.6 mi)
63111 Saint Louis (4 mi)
63143 Saint Louis (4.3 mi)
63139 Saint Louis (4.7 mi)
63127 Saint Louis (4.9 mi)
63144 Saint Louis (5 mi)
63128 Saint Louis (5.2 mi)
63117 Saint Louis (5.6 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 50,347 |
| Population density | 4,044 / sq mi |
| State FIPS | 29 |
| County FIPS | 189 |
| Geography | |
|---|---|
| Land area | 12.45 sq mi |
| Water area | 0.10 sq mi |
| Latitude | 38.5488 |
| Longitude | -90.3198 |
| Timezone | Central (CT) |
| Area code | 314 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.5% | 36.1% | 43.8% |
| $50k – $100k | 36.1% | 30.6% | 31.5% |
| $100k – $200k | 20.9% | 23.0% | 19.5% |
| Over $200k | 3.4% | 10.4% | 5.2% |
Demographics & statistics
50,347
Population
4,044
People per sq mi
40.7
Median age
$71,054
Median household income
$39,232
Per capita income
$191,900
Median home value
$959
Median monthly rent
71.9%
Home ownership
7.0%
Poverty rate
3.1%
Unemployment
17,013
Housing units
34.4%
Bachelor's or higher
Age distribution
Male
Female
1,393
Under 5
1,455
1,186
5–9
1,238
1,172
10–14
1,224
1,311
15–19
1,368
1,560
20–24
1,629
3,363
25–34
3,511
3,712
35–44
3,875
2,665
45–54
2,782
1,745
55–59
1,822
1,737
60–64
1,814
2,613
65–74
2,727
1,413
75–84
1,475
762
85+
795
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 9,370 | 18.6% |
| 18 and over | 40,977 | 81.4% |
| 65 and over | 9,785 | 19.4% |
| Median age | 40.7 years | |
Race & ethnicity
White
83.6%
Two or more races
5.2%
Asian
4.2%
Black or African American
3.4%
Hispanic or Latino
2.8%
Other race
0.7%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 43,306 | 83.6% |
| Two or more races | 2,700 | 5.2% |
| Asian | 2,151 | 4.2% |
| Black or African American | 1,784 | 3.4% |
| Hispanic or Latino | 1,460 | 2.8% |
| Other race | 347 | 0.7% |
| American Indian / Alaska Native | 56 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.5% | 36.1% | 43.8% |
| $50k – $100k | 36.1% | 30.6% | 31.5% |
| $100k – $200k | 20.9% | 23.0% | 19.5% |
| Over $200k | 3.4% | 10.4% | 5.2% |
Under $10k
3.3%
$10k–$15k
2.5%
$15k–$25k
6.8%
$25k–$35k
7.5%
$35k–$50k
13.8%
$50k–$75k
18.8%
$75k–$100k
16.2%
$100k–$150k
18.8%
$150k–$200k
6.9%
$200k+
5.3%
| Range | % of households |
|---|---|
| Under $10k | 3.3% |
| $10k–$15k | 2.5% |
| $15k–$25k | 6.8% |
| $25k–$35k | 7.5% |
| $35k–$50k | 13.8% |
| $50k–$75k | 18.8% |
| $75k–$100k | 16.2% |
| $100k–$150k | 18.8% |
| $150k–$200k | 6.9% |
| $200k+ | 5.3% |
| Median income | $71,054 |
Housing
Home values
Under $50k
2.2%
$50k–$100k
2.6%
$100k–$150k
15.2%
$150k–$200k
34.7%
$200k–$300k
31.5%
$300k–$500k
11.4%
$500k–$1M
2.0%
$1M+
0.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $191,900 |
| Median rent / month | $959 |
| Owner occupied | 71.9% |
| Renter occupied | 28.1% |
| Vacant | 4.9% |
| Single-family detached | 76.2% |
| Large apartment buildings | 4.5% |
| Mobile homes | 0.4% |
| Median rooms | 5.4 |
| Avg household size (owned) | 2.38 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 2.0% |
| 2000–2009 | 2.6% |
| 1990–1999 | 5.5% |
| 1980–1989 | 5.5% |
| 1970–1979 | 10.7% |
| 1960–1969 | 23.7% |
| 1950–1959 | 33.9% |
| 1940–1949 | 9.1% |
| 1939 or earlier | 6.8% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.1% |
| 1 bedroom | 10.8% |
| 2 bedrooms | 35.9% |
| 3 bedrooms | 40.5% |
| 4 bedrooms | 10.4% |
| 5+ bedrooms | 1.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.2% |
| 1 vehicle | 38.6% |
| 2 vehicles | 38.8% |
| 3 or more | 18.4% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 80.7% |
| Electricity | 17.6% |
| Propane / LP gas | 1.3% |
| Wood | 0.3% |
| No fuel used | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,694 | 43.9% |
| Cohabiting couple | 1,721 | 7.8% |
| Male householder, no spouse | 4,534 | 20.5% |
| Female householder, no spouse | 6,134 | 27.8% |
| Households with children under 18 | 5,507 | 24.9% |
| Households with seniors (65+) | 7,290 | 33.0% |
| Average household size | 2.27 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.9% | 30.9% |
| Married | 50.6% | 45.6% |
| Separated | 0.9% | 0.8% |
| Widowed | 2.6% | 9.3% |
| Divorced | 13.1% | 13.5% |
Education
Less than 9th grade
2.6%
Some HS, no diploma
4.7%
HS graduate
26.9%
Some college, no degree
20.9%
Associate's degree
10.6%
Bachelor's degree
21.5%
Graduate / professional
12.9%
| Metric | % |
|---|---|
| HS diploma or higher | 92.8% |
| Bachelor's or higher | 34.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 881 | 8.2% |
| Kindergarten | 438 | 4.1% |
| Elementary school | 3,817 | 35.6% |
| High school | 2,183 | 20.4% |
| College / grad school | 3,393 | 31.7% |
Employment
Industry of employment
Education & healthcare
23.8%
Retail trade
10.7%
Arts, food & hospitality
10.3%
Professional & management
10.0%
Manufacturing
9.0%
Construction
7.2%
Finance & real estate
6.5%
Other services
6.3%
Transportation & utilities
6.2%
Public administration
4.1%
Wholesale trade
3.3%
Information
2.1%
Agriculture & mining
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 39.5% |
| Service | 18.2% |
| Sales & office | 21.6% |
| Natural resources & construction | 7.9% |
| Production & transportation | 12.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 83.5% |
| Government | 10.2% |
| Self-employed | 6.1% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.9% |
| Carpool | 8.5% |
| Public transit | 1.2% |
| Walk | 0.9% |
| Work from home | 10.4% |
| Other means | 1.1% |
| Avg commute (minutes) | 23.6 |
Poverty
All people
7.0%
Under 18 years
8.2%
18 and over
6.7%
Married-couple families
2.3%
Female-led households
10.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 34.8% |
| Retirement income | 26.5% |
| Supplemental Security | 2.9% |
| Cash public assistance | 1.3% |
| Food stamps / SNAP | 6.5% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 26.7% |
| High blood pressure | 30.5% |
| High cholesterol | 31.5% |
| Diabetes | 8.5% |
| Heart disease | 6.6% |
| Stroke | 2.9% |
| Asthma | 9.1% |
| Arthritis | 26.5% |
| Kidney disease | 2.8% |
| Pulmonary disease | 7.1% |
| Cancer | 7.5% |
| Behavior / access | % |
|---|---|
| Smoking | 16.3% |
| Binge drinking | 18.6% |
| No physical activity | 22.4% |
| Less than 7 hrs sleep | 29.4% |
| Depression | 21.4% |
| Fair or poor health | 13.7% |
| Poor mental health | 14.5% |
| Poor physical health | 10.1% |
| No health insurance | 13.3% |
| Visited doctor (checkup) | 75.1% |
| Visited dentist | 67.0% |
| Cholesterol screening | 89.3% |
| Teeth loss | 11.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 3,062 | 7.5% |
| Disability | % |
|---|---|
| Any disability | 13.1% |
| Under 18 | 2.7% |
| 18–64 years | 10.0% |
| 65 and over | 33.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.2% |
| Public insurance | 29.9% |
| No insurance | 5.1% |
| Uninsured under 19 | 2.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 47,499 | 94.3% |
| Spanish | 3,560 | 7.5% |
| Other Indo-European | 265 | 0.6% |
| Asian & Pacific Islander | 1,775 | 3.7% |
| Other languages | 1,208 | 2.5% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 44,447 | 88.3% |
| Born in same state | 43,637 | 86.7% |
| Born in different state | 34,987 | 69.5% |
| Foreign born | 810 | 1.6% |
| Naturalized citizen | 5,900 | 11.7% |
| Not a US citizen | 4,053 | 68.7% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 8,129 | 16.1% |
| French | 4,953 | 9.8% |
| Arab | 2,641 | 5.2% |
| English | 392 | 0.8% |
| Polish | 389 | 0.8% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 308 | 0.6% |
| Norwegian | 58 | 0.1% |
| German | 40 | 0.1% |
| Dutch | 11 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 43.9% |
| Internet access | 94.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 63123
What part of Saint Louis is ZIP code 63123?
ZIP code 63123 covers a portion of Saint Louis, Missouri, within Saint Louis County.
What county is ZIP code 63123 in?
ZIP code 63123 falls within Saint Louis County, Missouri.
What is the typical home value in ZIP code 63123?
The median home value in ZIP code 63123 is $191,900.
What is the population of ZIP code 63123?
ZIP code 63123 has an estimated population of 50,347 residents, with a density of 4,043 people per square mile.
What is the median household income in ZIP code 63123?
The median household income in ZIP code 63123 is $71,054, below the national median of ~$75,000.
What timezone is ZIP code 63123 in?
ZIP code 63123 observes the CST timezone.