Postal Codes

63034 ZIP Code

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ZIP code 63034 covers Florissant, Missouri, with a population of about 19,557 and a median household income of $110,491.

Population
19,5571,044 per square mile
Median age
401.3 points above the US average
Median household income
$110,4911.6× the Missouri median
Poverty rate
5.4%7 points below the US average
Typical home value
$280,336up 18% in five years
Median rent
$1,7281.7× the Missouri median
Degree or higher
39.9%4.9 points above the US average
Homeownership
91.6%26.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
214

Where 63034 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

Population19,557
Median age40
Family households75.4%
Born outside the US5.1%
Speaks a language other than English at home5.1%
White (non-Hispanic)21.4%
Black (non-Hispanic)65.3%
Asian (non-Hispanic)1.4%
Hispanic or Latino4.5%
Veterans7.9%
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$110,491
Income per person$42,818
Poverty rate5.4%
Households on SNAP or cash assistance7.9%

Household income distribution

Under $10k1.8%
$10–15k0.4%
$15–20k1.5%
$20–25k1.3%
$25–30k2.0%
$30–35k1.4%
$35–40k1.8%
$40–45k2.4%
$45–50k2.6%
$50–60k4.0%
$60–75k8.9%
$75–100k16.2%
$100–125k19.5%
$125–150k11.4%
$150–200k12.8%
$200k or more12.0%

Income as declared to the IRS

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

Tax returns filed9,360
Mean adjusted gross income$71,860
Returns declaring $200,000 or more4.3%
Returns, under $25k25.1%
Returns, $25k–$50k22.9%
Returns, $50k–$75k17.8%
Returns, $75k–$100k11.1%
Returns, $100k–$200k18.8%
Returns, $200k or more4.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$234,200
Median gross rent$1,728
Rent as a share of household income21.4%
Owner-occupied91.6%
Vacant homes1.8%
Median year built1986

What the homes are

Detached house91.2%
Attached house6.7%
2 to 4 units0.6%
5 to 19 units1.1%
Mobile home0.3%
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$280,336as of 2026-07
Typical home value, 1 yearup 1.3%
Typical home value, 5 yearsup 18%
Typical home value, 10 yearsup 69%
Typical asking rent$2,195as of 2026-07
Typical home value since 2000
200020132026$280,336$145,675

$147,078 in 2000 to $280,336 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.6%
Bachelor's degree or higher39.9%
High school diploma or higher94.8%
Works from home21.8%
Drives to work alone70.4%
Takes public transport0.4%
Commutes 45 minutes or more10.3%
Health

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

Obesity36.4% 3 pts above the national average of 33.4%
Diagnosed diabetes15.3% 3.3 pts above the national average of 12%
Currently smokes13.4% same as the national average of 13.2%
High blood pressure44.9% 10.8 pts above the national average of 34.1%
Fair or poor general health20.4% same as the national average of 20.3%
No health insurance (18–64)6.7% 4.6 pts below the national average of 11.3%
Depression19.3% 2.6 pts below the national average of 21.9%
No leisure-time physical activity28.2% 2.8 pts above the national average of 25.4%
Arthritis30.8% 5.7 pts above the national average of 25.1%
Binge drinking12.9% 3.1 pts below the national average of 16%
Taking blood pressure medication82.9% 8.2 pts above the national average of 74.7%
Cancer (non-skin)7.6% same as the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease6.5% same as the national average of 6.2%
Routine check-up in past year83.5% 6.8 pts above the national average of 76.7%
Cholesterol screening89.6% 3.7 pts above the national average of 85.9%
Cognitive disability14.4% same as the national average of 14.8%
Colorectal screening72.4% 8.1 pts above the national average of 64.3%
COPD6.6% same as the national average of 6.6%
Visited a dentist64.6% 3.3 pts above the national average of 61.3%
Any disability34.8% 4.1 pts above the national average of 30.7%
Lacks emotional support24.4% same as the national average of 24.8%
Food insecurity15.7% 1.4 pts below the national average of 17.1%
Received food stamps12.4% 1.9 pts below the national average of 14.3%
Hearing disability6.3% same as the national average of 6.7%
High cholesterol37.7% 1.5 pts above the national average of 36.2%
Housing insecurity15.6% 1.8 pts above the national average of 13.8%
Independent living disability8.7% same as the national average of 8.4%
Lacks transport9.3% same as the national average of 9.2%
Loneliness34.7% same as the national average of 34.4%
Mammography use80.9% 5 pts above the national average of 75.9%
Poor mental health (14+ days)15.5% 1.3 pts below the national average of 16.8%
Mobility disability16.9% 2.9 pts above the national average of 14%
Poor physical health (14+ days)13.2% same as the national average of 13.5%
Self-care disability4.4% same as the national average of 4%
Utility shut-off threat11.7% 2.9 pts above the national average of 8.8%
Sleeps under 7 hours37.7% 1.3 pts above the national average of 36.4%
Stroke4.3% 0.9 pts above the national average of 3.4%
All natural teeth lost12.4% 0.6 pts below the national average of 13%
Vision disability5.4% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments214
People employed1,479
Annual payroll$52,390,000
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% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 8 census tracts this ZIP code covers
Expected annual loss89.7 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 wave99.4Very High at its worst in this ZIP code
Hail95.7Relatively High at its worst in this ZIP code
Landslide88.6Relatively Low at its worst in this ZIP code
River flooding87.3Very High at its worst in this ZIP code
Earthquake84.9Relatively High at its worst in this ZIP code
Cold wave83.9Relatively High at its worst in this ZIP code
Ice storm78.9Relatively Moderate at its worst in this ZIP code
Lightning77.6Relatively High at its worst in this ZIP code
Winter weather76.6Relatively High at its worst in this ZIP code
Wildfire70Relatively Low at its worst in this ZIP code
Drought66.7Relatively Low at its worst in this ZIP code
Tornado59.1Relatively Moderate at its worst in this ZIP code
Strong wind41.2Relatively Low at its worst in this ZIP code
Hurricane24.1Very 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$110,491$68,920$78,538
Income per person$42,818$38,497$43,289
Poverty rate5.4%12.6%12.4%
Median home value$234,200$215,600$303,400
Median gross rent$1,728$996$1,348
Homeownership91.6%67.9%65%
Bachelor's degree or higher39.9%31.9%35%
Unemployment rate5.6%4.1%5.2%
Works from home21.8%11.6%13.5%
Born outside the US5.1%4.4%13.9%
Median age4038.938.7
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 US11.4 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 supermarket4% of this ZIP code's area
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarket11% 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%.

Hazelwood School District100% 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 vulnerability19more vulnerable than 19% of US census tracts
Socioeconomic status17more vulnerable than 17% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status82more vulnerable than 82% of US census tracts
Housing type and transport7more vulnerable than 7% of US census tracts
Walkability7.1 out of 20Below average
Nearby ZIP codes

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

63033 Florissant, MO4.4 km away
63031 Florissant, MO5 km away
63386 West Alton, MO6.7 km away
63138 Saint Louis, MO8.3 km away
63042 Hazelwood, MO8.7 km away
63135 Saint Louis, MO9.4 km away
63134 Saint Louis, MO10.8 km away
63140 Saint Louis, MO11.1 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 area18.73 sq mi
Water area1.55 sq mi
Population density1,044 people per sq mi
Latitude, longitude38.8338, -90.2936

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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