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Missouri ZIP Codes
Saint Louis County
Florissant, MO
63033
63033 ZIP Code — Florissant, MO
Saint Louis County, Missouri
ZIP code 63033 is located in
Florissant ,
Missouri ,
within Saint Louis County .
It covers approximately 12.17 square miles and serves a population of
41,037 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 314 .
About ZIP code 63033
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $146,300. Owner-occupancy sits near the national average at 65%.
Median household income is $62,997. 34% 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 26 minutes is near the national average.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 63033
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
41,037
Population density
3,372 / sq mi
State FIPS
29
County FIPS
189
Geography
Land area
12.17 sq mi
Water area
0.04 sq mi
Latitude
38.7965
Longitude
-90.2743
Timezone
Central (CT)
Area code
314
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
44.3%
36.1%
43.8%
$50k – $100k
35.7%
30.6%
31.5%
$100k – $200k
18.9%
23.0%
19.5%
Over $200k
1.2%
10.4%
5.2%
Demographics & statistics
$62,997
Median household income
$146,300
Median home value
$1,079
Median monthly rent
27.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 10,014 24.4%
18 and over 31,023 75.6%
65 and over 7,019 17.1%
Median age 37.5 years
Race & ethnicity
Black or African American
67.2%
Group Count %
Black or African American 28,162 67.2%
White 10,558 25.2%
Two or more races 1,425 3.4%
Hispanic or Latino 846 2%
Other race 558 1.3%
Asian 326 0.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
44.3%
36.1%
43.8%
$50k – $100k
35.7%
30.6%
31.5%
$100k – $200k
18.9%
23.0%
19.5%
Over $200k
1.2%
10.4%
5.2%
Range % of households
Under $10k 3.4%
$10k–$15k 2.7%
$15k–$25k 9.7%
$25k–$35k 8.7%
$35k–$50k 12.6%
$50k–$75k 20.1%
$75k–$100k 17.8%
$100k–$150k 17.6%
$150k–$200k 5.0%
$200k+ 2.3%
Median income $62,997
Housing
Housing overview
Metric Value
Median home value $146,300
Median rent / month $1,079
Owner occupied 65.2%
Renter occupied 34.8%
Vacant 9.1%
Single-family detached 71.0%
Large apartment buildings 7.8%
Mobile homes 0.4%
Median rooms 6.1
Avg household size (owned) 2.60
Year built
Era %
2020 or later 0.1%
2010–2019 0.6%
2000–2009 3.1%
1990–1999 4.4%
1980–1989 6.8%
1970–1979 18.4%
1960–1969 40.2%
1950–1959 22.7%
1940–1949 1.6%
1939 or earlier 2.1%
Bedrooms
Size % of units
No bedroom (studio) 2.4%
1 bedroom 12.2%
2 bedrooms 15.5%
3 bedrooms 46.4%
4 bedrooms 21.7%
5+ bedrooms 1.8%
Vehicles per household
Vehicles % of households
No vehicle 9.1%
1 vehicle 39.4%
2 vehicles 36.9%
3 or more 14.6%
Heating fuel
Fuel type %
Utility gas 79.2%
Electricity 19.6%
Propane / LP gas 1.0%
Fuel oil 0.1%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 5,364 32.8%
Cohabiting couple 1,137 6.9%
Male householder, no spouse 2,766 16.9%
Female householder, no spouse 7,096 43.4%
Households with children under 18 4,798 29.3%
Households with seniors (65+) 5,355 32.7%
Average household size 2.47
Marital status
Status Male Female
Never married 43.1% 41.4%
Married 40.5% 32.6%
Separated 1.6% 3.3%
Widowed 5.4% 9.0%
Divorced 9.3% 13.7%
Education
Some college, no degree
27.3%
Graduate / professional
10.6%
Metric %
HS diploma or higher 92.0%
Bachelor's or higher 27.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 314 2.9%
Kindergarten 942 8.7%
Elementary school 4,952 45.5%
High school 2,371 21.8%
College / grad school 2,301 21.1%
Employment
Industry of employment
Education & healthcare
24.3%
Transportation & utilities
10.9%
Professional & management
10.4%
Finance & real estate
8.3%
Arts, food & hospitality
8.3%
Public administration
3.6%
Agriculture & mining
0.4%
Occupation
Category %
Management, business & arts 32.3%
Service 22.0%
Sales & office 24.5%
Natural resources & construction 4.5%
Production & transportation 16.7%
Employment type
Type %
Private sector 83.2%
Government 13.9%
Self-employed 2.9%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 78.9%
Carpool 5.2%
Public transit 2.3%
Walk 1.3%
Work from home 10.7%
Other means 1.5%
Avg commute (minutes) 26.0
Poverty
Married-couple families
2.4%
Female-led households
15.3%
Income support
Source % of households
Social Security 33.7%
Retirement income 28.6%
Supplemental Security 5.4%
Cash public assistance 2.2%
Food stamps / SNAP 11.7%
Health indicators
Condition %
Obesity 33.8%
High blood pressure 38.1%
High cholesterol 30.7%
Diabetes 12.0%
Heart disease 6.6%
Stroke 3.8%
Asthma 10.6%
Arthritis 27.6%
Kidney disease 3.3%
Pulmonary disease 6.9%
Cancer 6.7%
Behavior / access %
Smoking 17.2%
Binge drinking 15.1%
No physical activity 26.8%
Less than 7 hrs sleep 35.8%
Depression 18.8%
Fair or poor health 17.7%
Poor mental health 14.8%
Poor physical health 11.1%
No health insurance 15.8%
Visited doctor (checkup) 80.2%
Visited dentist 61.5%
Cholesterol screening 91.0%
Teeth loss 14.2%
Veterans & disability
Veterans Count %
Civilian veterans 2,654 8.6%
Disability %
Any disability 15.8%
Under 18 7.3%
18–64 years 12.9%
65 and over 38.8%
Health insurance coverage
Type %
Private insurance 68.3%
Public insurance 36.0%
No insurance 7.7%
Uninsured under 19 5.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 39,043 95.1%
Spanish 721 1.8%
Other Indo-European 259 0.7%
Asian & Pacific Islander 162 0.4%
Other languages 196 0.5%
Place of birth & citizenship
Origin Count %
Native born (US) 39,802 97.0%
Born in same state 39,375 95.9%
Born in different state 30,465 74.2%
Foreign born 427 1.0%
Naturalized citizen 1,235 3.0%
Not a US citizen 759 61.5%
Ancestry
Ancestry Count %
Italian 2,204 5.4%
Arab 1,969 4.8%
French 1,594 3.9%
English 166 0.4%
Ancestry Count %
German 79 0.2%
Irish 39 0.1%
Polish 24 0.1%
Technology access
Metric % of households
Computer access 39.9%
Internet access 93.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 63033
What city is ZIP code 63033 in?
ZIP code 63033 is primarily assigned to Florissant, Missouri.
What county is ZIP code 63033 in?
ZIP code 63033 falls within Saint Louis County, Missouri.
What is the typical home value in ZIP code 63033?
The median home value in ZIP code 63033 is $146,300.
What is the population of ZIP code 63033?
ZIP code 63033 has an estimated population of 41,037 residents, with a density of 3,373 people per square mile.
What is the median household income in ZIP code 63033?
The median household income in ZIP code 63033 is $62,997, below the national median of ~$75,000.
What timezone is ZIP code 63033 in?
ZIP code 63033 observes the CST timezone.
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