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Missouri ZIP Codes
Saint Louis City County
Saint Louis, MO
63109
63109 ZIP Code — Saint Louis, MO
Saint Louis City County, Missouri
ZIP code 63109 is located in
Saint Louis ,
Missouri ,
within Saint Louis City County .
It covers approximately 3.54 square miles and serves a population of
25,787 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 314 .
About ZIP code 63109
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $227,100. Owner-occupancy sits near the national average at 64%.
Median household income is $68,756.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is high — 51% of residents hold a bachelor's degree or higher, well above the national average of 33%.
63109 ZIP code map
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Cities in ZIP code 63109
Below are the cities the US Postal Service accepts for ZIP code 63109. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
25,787
Population density
7,284 / sq mi
State FIPS
29
County FIPS
510
Geography
Land area
3.54 sq mi
Water area
0.01 sq mi
Latitude
38.5811
Longitude
-90.2959
Timezone
Central (CT)
Area code
314
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.9%
53.5%
43.8%
$50k – $100k
35.4%
27.6%
31.5%
$100k – $200k
20.4%
14.8%
19.5%
Over $200k
4.3%
4.0%
5.2%
Demographics & statistics
$68,756
Median household income
$227,100
Median home value
50.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 3,913 15.2%
18 and over 21,874 84.8%
65 and over 5,067 19.6%
Median age 41.8 years
Race & ethnicity
Black or African American
4.6%
Group Count %
White 23,544 90.6%
Black or African American 1,205 4.6%
Two or more races 691 2.7%
Asian 272 1%
Hispanic or Latino 213 0.8%
Other race 66 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.9%
53.5%
43.8%
$50k – $100k
35.4%
27.6%
31.5%
$100k – $200k
20.4%
14.8%
19.5%
Over $200k
4.3%
4.0%
5.2%
Range % of households
Under $10k 3.8%
$10k–$15k 3.0%
$15k–$25k 7.3%
$25k–$35k 10.3%
$35k–$50k 11.9%
$50k–$75k 17.7%
$75k–$100k 14.5%
$100k–$150k 16.0%
$150k–$200k 9.1%
$200k+ 6.4%
Median income $68,756
Housing
Housing overview
Metric Value
Median home value $227,100
Median rent / month $896
Owner occupied 63.9%
Renter occupied 36.1%
Vacant 6.5%
Single-family detached 61.6%
Large apartment buildings 1.1%
Mobile homes 0.4%
Median rooms 5.4
Avg household size (owned) 2.10
Year built
Era %
2020 or later 0.0%
2010–2019 0.3%
2000–2009 0.7%
1990–1999 1.0%
1980–1989 1.0%
1970–1979 2.2%
1960–1969 6.6%
1950–1959 19.6%
1940–1949 16.8%
1939 or earlier 51.8%
Bedrooms
Size % of units
No bedroom (studio) 2.0%
1 bedroom 21.8%
2 bedrooms 41.0%
3 bedrooms 22.3%
4 bedrooms 10.8%
5+ bedrooms 2.1%
Vehicles per household
Vehicles % of households
No vehicle 6.5%
1 vehicle 48.9%
2 vehicles 34.8%
3 or more 9.8%
Heating fuel
Fuel type %
Utility gas 85.1%
Electricity 12.5%
Propane / LP gas 1.9%
Fuel oil 0.1%
No fuel used 0.2%
Households & families
Household type Count %
Married-couple family 4,782 34.3%
Cohabiting couple 911 6.5%
Male householder, no spouse 3,218 23.1%
Female householder, no spouse 5,017 36.0%
Households with children under 18 2,409 17.3%
Households with seniors (65+) 3,961 28.4%
Average household size 1.84
Marital status
Status Male Female
Never married 38.1% 32.3%
Married 46.8% 39.8%
Separated 0.6% 2.9%
Widowed 1.4% 8.5%
Divorced 13.1% 16.5%
Education
Some college, no degree
19.4%
Graduate / professional
21.9%
Metric %
HS diploma or higher 95.8%
Bachelor's or higher 50.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 525 13.3%
Kindergarten 235 5.9%
Elementary school 1,480 37.4%
High school 596 15.0%
College / grad school 1,125 28.4%
Employment
Industry of employment
Education & healthcare
25.8%
Professional & management
14.8%
Arts, food & hospitality
11.4%
Finance & real estate
8.3%
Public administration
6.6%
Transportation & utilities
4.4%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 55.8%
Service 14.1%
Sales & office 17.8%
Natural resources & construction 4.3%
Production & transportation 8.1%
Employment type
Type %
Private sector 80.3%
Government 14.0%
Self-employed 5.6%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 74.7%
Carpool 4.9%
Public transit 1.0%
Walk 2.5%
Work from home 15.6%
Other means 1.2%
Avg commute (minutes) 24.5
Poverty
Married-couple families
2.4%
Female-led households
15.8%
Income support
Source % of households
Social Security 28.1%
Retirement income 19.7%
Supplemental Security 1.8%
Cash public assistance 1.5%
Food stamps / SNAP 5.5%
Health indicators
Condition %
Obesity 30.6%
High blood pressure 25.5%
High cholesterol 28.1%
Diabetes 7.3%
Heart disease 5.0%
Stroke 2.3%
Asthma 9.0%
Arthritis 22.5%
Kidney disease 2.3%
Pulmonary disease 5.1%
Cancer 6.2%
Behavior / access %
Smoking 14.5%
Binge drinking 19.4%
No physical activity 17.9%
Less than 7 hrs sleep 29.5%
Depression 24.2%
Fair or poor health 11.0%
Poor mental health 14.6%
Poor physical health 8.5%
No health insurance 12.4%
Visited doctor (checkup) 73.1%
Visited dentist 71.0%
Cholesterol screening 89.2%
Teeth loss 11.2%
Veterans & disability
Veterans Count %
Civilian veterans 1,184 5.4%
Disability %
Any disability 11.4%
Under 18 4.0%
18–64 years 6.9%
65 and over 31.8%
Health insurance coverage
Type %
Private insurance 78.7%
Public insurance 25.2%
No insurance 5.5%
Uninsured under 19 0.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 24,362 94.5%
Spanish 623 2.6%
Other Indo-European 138 0.6%
Asian & Pacific Islander 308 1.3%
Other languages 125 0.5%
Place of birth & citizenship
Origin Count %
Native born (US) 24,687 95.7%
Born in same state 24,495 95.0%
Born in different state 17,882 69.3%
Foreign born 192 0.7%
Naturalized citizen 1,100 4.3%
Not a US citizen 644 58.5%
Ancestry
Ancestry Count %
Italian 5,881 22.8%
French 2,814 10.9%
Arab 1,222 4.7%
English 352 1.4%
Polish 166 0.6%
Ancestry Count %
Dutch 95 0.4%
German 91 0.4%
Irish 79 0.3%
Norwegian 21 0.1%
Technology access
Metric % of households
Computer access 54.0%
Internet access 91.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 63109
What city is ZIP code 63109 in?
ZIP code 63109 is primarily assigned to Saint Louis, Missouri.
What county is ZIP code 63109 in?
ZIP code 63109 falls within Saint Louis City County, Missouri.
How educated is the population of ZIP code 63109?
51% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the population of ZIP code 63109?
ZIP code 63109 has an estimated population of 25,787 residents, with a density of 7,293 people per square mile.
What is the typical home value in ZIP code 63109?
The median home value in ZIP code 63109 is $227,100.
What is the median household income in ZIP code 63109?
The median household income in ZIP code 63109 is $68,756, below the national median of ~$75,000.
What timezone is ZIP code 63109 in?
ZIP code 63109 observes the CST timezone.
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