Postal Codes

63033 ZIP Code

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ZIP code 63033 covers Florissant, Missouri, with a population of about 42,258 and a median household income of $63,979.

Population
42,2583,473 per square mile
Median age
37.11.6 points below the US average
Median household income
$63,9797% below the Missouri median
Poverty rate
10.4%2 points below the US average
Typical home value
$201,388up 22.9% in five years
Median rent
$1,1501.2× the Missouri median
Degree or higher
28.2%6.8 points below the US average
Homeownership
65.3%about the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
713

Where 63033 is

Florissant, 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

Population42,258
Median age37.1
Family households58.6%
Born outside the US3.5%
Speaks a language other than English at home4.7%
White (non-Hispanic)22.6%
Black (non-Hispanic)71%
Asian (non-Hispanic)0.6%
Hispanic or Latino1.1%
Veterans8.2%
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$63,979
Income per person$32,202
Poverty rate10.4%
Households on SNAP or cash assistance11%

Household income distribution

Under $10k2.5%
$10–15k3.2%
$15–20k3.2%
$20–25k6.7%
$25–30k2.8%
$30–35k5.0%
$35–40k3.8%
$40–45k4.0%
$45–50k4.1%
$50–60k11.3%
$60–75k9.3%
$75–100k18.4%
$100–125k10.4%
$125–150k6.7%
$150–200k5.3%
$200k or more3.4%

Income as declared to the IRS

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

Tax returns filed20,530
Mean adjusted gross income$48,564
Returns declaring $200,000 or more0.9%
Returns, under $25k33.3%
Returns, $25k–$50k30.5%
Returns, $50k–$75k17.1%
Returns, $75k–$100k8.7%
Returns, $100k–$200k9.4%
Returns, $200k or more0.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$157,400
Median gross rent$1,150
Rent as a share of household income32.4%
Owner-occupied65.3%
Vacant homes7.7%
Median year built1966

What the homes are

Detached house70.5%
Attached house3.7%
2 to 4 units4.4%
5 to 19 units13%
20 or more units8.1%
Mobile home0.1%
Boat, RV or van0.1%
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$201,388as of 2026-07
Typical home value, 1 yearup 2.6%
Typical home value, 5 yearsup 22.9%
Typical home value, 10 yearsup 95.2%
Typical asking rent$1,719as of 2026-07
Typical asking rent, 1 yearup 5.6%
Typical asking rent, 5 yearsup 35.6%
Typical asking rent, 10 yearsup 69.5%
Typical home value since 2000
200020132026$201,388$86,861

$86,861 in 2000 to $201,388 in 2026.

Typical asking rent
201620212026$1,719$1,015

$1,015 in 2016 to $1,719 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.9%
Bachelor's degree or higher28.2%
High school diploma or higher92.6%
Works from home13.5%
Drives to work alone76.3%
Takes public transport2.9%
Commutes 45 minutes or more10.2%
Health

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

Obesity38.6% 5.2 pts above the national average of 33.4%
Diagnosed diabetes15.4% 3.4 pts above the national average of 12%
Currently smokes15.9% 2.7 pts above the national average of 13.2%
High blood pressure44% 9.9 pts above the national average of 34.1%
Fair or poor general health23.3% 3 pts above the national average of 20.3%
No health insurance (18–64)8.4% 2.9 pts below the national average of 11.3%
Depression21% 0.9 pts below the national average of 21.9%
No leisure-time physical activity31.7% 6.3 pts above the national average of 25.4%
Arthritis29.8% 4.7 pts above the national average of 25.1%
Binge drinking13.1% 2.9 pts below the national average of 16%
Taking blood pressure medication80.7% 6 pts above the national average of 74.7%
Cancer (non-skin)6.7% 1 pts below the national average of 7.7%
Current asthma12.4% 2 pts above the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year82.1% 5.4 pts above the national average of 76.7%
Cholesterol screening86.8% 0.9 pts above the national average of 85.9%
Cognitive disability17.3% 2.5 pts above the national average of 14.8%
Colorectal screening69.2% 4.9 pts above the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist58.1% 3.2 pts below the national average of 61.3%
Any disability38.3% 7.6 pts above the national average of 30.7%
Lacks emotional support26% 1.2 pts above the national average of 24.8%
Food insecurity20.8% 3.7 pts above the national average of 17.1%
Received food stamps17.9% 3.6 pts above the national average of 14.3%
Hearing disability6.5% same as the national average of 6.7%
High cholesterol35.6% 0.6 pts below the national average of 36.2%
Housing insecurity19.8% 6 pts above the national average of 13.8%
Independent living disability10.6% 2.2 pts above the national average of 8.4%
Lacks transport12.2% 3 pts above the national average of 9.2%
Loneliness37.1% 2.7 pts above the national average of 34.4%
Mammography use80.5% 4.6 pts above the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability18.4% 4.4 pts above the national average of 14%
Poor physical health (14+ days)14.3% 0.8 pts above the national average of 13.5%
Self-care disability5.1% 1.1 pts above the national average of 4%
Utility shut-off threat15.2% 6.4 pts above the national average of 8.8%
Sleeps under 7 hours40.1% 3.7 pts above the national average of 36.4%
Stroke4.6% 1.2 pts above the national average of 3.4%
All natural teeth lost15.5% 2.5 pts above the national average of 13%
Vision disability6.5% 0.9 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments713
People employed7,597
Annual payroll$215,836,000
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 90.8% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 12 census tracts this ZIP code covers
Expected annual loss88.6 out of 100
Community resilience71.8 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 wave99.6Very High at its worst in this ZIP code
Hail94.2Relatively High at its worst in this ZIP code
Earthquake88.5Relatively High at its worst in this ZIP code
Cold wave86.4Relatively High at its worst in this ZIP code
Lightning80.6Relatively High at its worst in this ZIP code
River flooding75.8Very High at its worst in this ZIP code
Winter weather75.8Relatively High at its worst in this ZIP code
Ice storm74.3Relatively Moderate at its worst in this ZIP code
Landslide72.8Relatively Low at its worst in this ZIP code
Tornado59.9Relatively Moderate at its worst in this ZIP code
Strong wind44.9Relatively Low at its worst in this ZIP code
Wildfire42.6Relatively Low at its worst in this ZIP code
Hurricane23.1Very Low at its worst in this ZIP code
Drought7.7Very 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$63,979$68,920$78,538
Income per person$32,202$38,497$43,289
Poverty rate10.4%12.6%12.4%
Median home value$157,400$215,600$303,400
Median gross rent$1,150$996$1,348
Homeownership65.3%67.9%65%
Bachelor's degree or higher28.2%31.9%35%
Unemployment rate4.9%4.1%5.2%
Works from home13.5%11.6%13.5%
Born outside the US3.5%4.4%13.9%
Median age37.138.938.7
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 LAMBERT INTL AP, MO US9.1 km away
Rain in a year42 in
Snow in a year17 in

Average high and low by month

January40.4°F / 23.8°F2.59 in rain, 5.7 in snow
February45.8°F / 27.6°F2.23 in rain, 4.3 in snow
March56.6°F / 36.7°F3.5 in rain, 2.3 in snow
April68°F / 47°F4.73 in rain, 0.2 in snow
May77.1°F / 57.9°F4.82 in rain
June85.9°F / 67.2°F4.49 in rain
July89.6°F / 71.1°F3.93 in rain
August88.3°F / 69.3°F3.38 in rain
September81.1°F / 60.9°F2.96 in rain
October69.2°F / 49.1°F3.15 in rain
November55.5°F / 37.4°F3.42 in rain, 0.9 in snow
December44.5°F / 28.5°F2.5 in rain, 3.2 in snow
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 supermarket20% of this ZIP code's area
Far from a supermarket47% of this ZIP code's area
No vehicle and far from a supermarket51% 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 2 school districts, so the address decides which one, not the ZIP code.

Ferguson-Florissant R-II School District51.9% of this ZIP code's land area
Hazelwood School District48.1% 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 vulnerability65more vulnerable than 65% of US census tracts
Socioeconomic status61more vulnerable than 61% of US census tracts
Household characteristics63more vulnerable than 63% of US census tracts
Racial and ethnic minority status81more vulnerable than 81% of US census tracts
Housing type and transport50more vulnerable than 50% of US census tracts
Walkability11.4 out of 20Above average
Nearby ZIP codes

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

63034 Florissant, MO4.4 km away
63031 Florissant, MO5.1 km away
63135 Saint Louis, MO5.2 km away
63138 Saint Louis, MO6.7 km away
63140 Saint Louis, MO7.4 km away
63042 Hazelwood, MO7.4 km away
63134 Saint Louis, MO7.6 km away
63137 Saint Louis, MO8.1 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 County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area12.17 sq mi
Water area0.04 sq mi
Population density3,473 people per sq mi
Latitude, longitude38.7947, -90.2831

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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