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.

41,037
population
12.17
sq mi land
Standard
ZIP type
Central (CT)
timezone
63033 ZIP code map
Cities in ZIP code 63033

Below are the cities the US Postal Service accepts for ZIP code 63033. Using any city not on this list may result in mail delivery delays.

City Status
Florissant Acceptable
Florissant Preferred
Nearby ZIP codes
63034 Florissant (3.7 mi) 63136 Saint Louis (3.7 mi) 63135 Saint Louis (3.8 mi) 63140 Saint Louis (5 mi) 63137 Saint Louis (5.1 mi) 63134 Saint Louis (5.1 mi) 63138 Saint Louis (5.2 mi) 63031 Florissant (5.4 mi) 63386 West Alton (5.8 mi) 63042 Hazelwood (6.1 mi) 63121 Saint Louis (6.3 mi) 63120 Saint Louis (7.4 mi)
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
Total population by age
Gender
Race & ethnicity
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

41,037
Population
3,372
People per sq mi
37.5
Median age
$62,997
Median household income
$30,517
Per capita income
$146,300
Median home value
$1,079
Median monthly rent
65.2%
Home ownership
10.2%
Poverty rate
5.5%
Unemployment
12,296
Housing units
27.1%
Bachelor's or higher

Age distribution

Male Female
891
Under 5
1,103
1,226
5–9
1,517
1,633
10–14
2,022
1,039
15–19
1,287
1,389
20–24
1,720
2,365
25–34
2,926
2,399
35–44
2,969
1,944
45–54
2,407
1,129
55–59
1,398
1,186
60–64
1,468
1,845
65–74
2,283
814
75–84
1,008
478
85+
591
← Male
Female →

Age summary

GroupCount%
Under 1810,01424.4%
18 and over31,02375.6%
65 and over7,01917.1%
Median age37.5 years

Race & ethnicity

Black or African American 67.2%
White 25.2%
Two or more races 3.4%
Hispanic or Latino 2%
Other race 1.3%
Asian 0.8%
GroupCount%
Black or African American28,16267.2%
White10,55825.2%
Two or more races1,4253.4%
Hispanic or Latino8462%
Other race5581.3%
Asian3260.8%

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%
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%
Range% of households
Under $10k3.4%
$10k–$15k2.7%
$15k–$25k9.7%
$25k–$35k8.7%
$35k–$50k12.6%
$50k–$75k20.1%
$75k–$100k17.8%
$100k–$150k17.6%
$150k–$200k5.0%
$200k+2.3%
Median income$62,997

Housing

Home values

Under $50k 4.2%
$50k–$100k 13.7%
$100k–$150k 35.1%
$150k–$200k 31.6%
$200k–$300k 14.0%
$300k–$500k 1.2%
$500k–$1M 0.2%

Housing overview

MetricValue
Median home value$146,300
Median rent / month$1,079
Owner occupied65.2%
Renter occupied34.8%
Vacant9.1%
Single-family detached71.0%
Large apartment buildings7.8%
Mobile homes0.4%
Median rooms6.1
Avg household size (owned)2.60

Year built

Era%
2020 or later0.1%
2010–20190.6%
2000–20093.1%
1990–19994.4%
1980–19896.8%
1970–197918.4%
1960–196940.2%
1950–195922.7%
1940–19491.6%
1939 or earlier2.1%

Bedrooms

Size% of units
No bedroom (studio)2.4%
1 bedroom12.2%
2 bedrooms15.5%
3 bedrooms46.4%
4 bedrooms21.7%
5+ bedrooms1.8%

Vehicles per household

Vehicles% of households
No vehicle9.1%
1 vehicle39.4%
2 vehicles36.9%
3 or more14.6%

Heating fuel

Fuel type%
Utility gas79.2%
Electricity19.6%
Propane / LP gas1.0%
Fuel oil0.1%
No fuel used0.1%

Households & families

Household typeCount%
Married-couple family5,36432.8%
Cohabiting couple1,1376.9%
Male householder, no spouse2,76616.9%
Female householder, no spouse7,09643.4%
Households with children under 184,79829.3%
Households with seniors (65+)5,35532.7%
Average household size2.47

Marital status

StatusMaleFemale
Never married43.1%41.4%
Married40.5%32.6%
Separated1.6%3.3%
Widowed5.4%9.0%
Divorced9.3%13.7%

Education

Less than 9th grade 2.2%
Some HS, no diploma 5.8%
HS graduate 25.2%
Some college, no degree 27.3%
Associate's degree 12.4%
Bachelor's degree 16.5%
Graduate / professional 10.6%
Metric%
HS diploma or higher92.0%
Bachelor's or higher27.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool3142.9%
Kindergarten9428.7%
Elementary school4,95245.5%
High school2,37121.8%
College / grad school2,30121.1%

Employment

Industry of employment

Education & healthcare 24.3%
Retail trade 12.7%
Transportation & utilities 10.9%
Professional & management 10.4%
Manufacturing 9.0%
Finance & real estate 8.3%
Arts, food & hospitality 8.3%
Other services 6.1%
Public administration 3.6%
Construction 3.0%
Wholesale trade 1.8%
Information 1.3%
Agriculture & mining 0.4%

Occupation

Category%
Management, business & arts32.3%
Service22.0%
Sales & office24.5%
Natural resources & construction4.5%
Production & transportation16.7%

Employment type

Type%
Private sector83.2%
Government13.9%
Self-employed2.9%
Unpaid family workers0.1%

Commute

Method%
Drive alone78.9%
Carpool5.2%
Public transit2.3%
Walk1.3%
Work from home10.7%
Other means1.5%
Avg commute (minutes)26.0

Poverty

All people 10.2%
Under 18 years 14.9%
18 and over 8.8%
Married-couple families 2.4%
Female-led households 15.3%

Income support

Source% of households
Social Security33.7%
Retirement income28.6%
Supplemental Security5.4%
Cash public assistance2.2%
Food stamps / SNAP11.7%

Health indicators

Condition%
Obesity33.8%
High blood pressure38.1%
High cholesterol30.7%
Diabetes12.0%
Heart disease6.6%
Stroke3.8%
Asthma10.6%
Arthritis27.6%
Kidney disease3.3%
Pulmonary disease6.9%
Cancer6.7%
Behavior / access%
Smoking17.2%
Binge drinking15.1%
No physical activity26.8%
Less than 7 hrs sleep35.8%
Depression18.8%
Fair or poor health17.7%
Poor mental health14.8%
Poor physical health11.1%
No health insurance15.8%
Visited doctor (checkup)80.2%
Visited dentist61.5%
Cholesterol screening91.0%
Teeth loss14.2%

Veterans & disability

VeteransCount%
Civilian veterans2,6548.6%
Disability%
Any disability15.8%
Under 187.3%
18–64 years12.9%
65 and over38.8%

Health insurance coverage

Type%
Private insurance68.3%
Public insurance36.0%
No insurance7.7%
Uninsured under 195.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only39,04395.1%
Spanish7211.8%
Other Indo-European2590.7%
Asian & Pacific Islander1620.4%
Other languages1960.5%

Place of birth & citizenship

OriginCount%
Native born (US)39,80297.0%
Born in same state39,37595.9%
Born in different state30,46574.2%
Foreign born4271.0%
Naturalized citizen1,2353.0%
Not a US citizen75961.5%

Ancestry

AncestryCount%
Italian2,2045.4%
Arab1,9694.8%
French1,5943.9%
English1660.4%
AncestryCount%
German790.2%
Irish390.1%
Polish240.1%

Technology access

Metric% of households
Computer access39.9%
Internet access93.8%

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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