63031 ZIP Code — Florissant, MO
Saint Louis County, Missouri
ZIP code 63031 is located in Florissant, Missouri, within Saint Louis County. It covers approximately 15.06 square miles and serves a population of 50,568 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 314.
About ZIP code 63031
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 $135,300. Owner-occupancy sits near the national average at 72%.
Median household income is $70,068.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.
Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.
50,568
population
15.06
sq mi land
Standard
ZIP type
Central (CT)
timezone
63031 ZIP code map
Cities in ZIP code 63031
Below are the cities the US Postal Service accepts for ZIP code 63031. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Florissant | Acceptable |
| Florissant | Preferred |
Nearby ZIP codes
63042 Hazelwood (1.7 mi)
63044 Bridgeton (4.2 mi)
63134 Saint Louis (5.1 mi)
63301 Saint Charles (5.2 mi)
63034 Florissant (5.4 mi)
63033 Florissant (5.4 mi)
63140 Saint Louis (5.9 mi)
63074 Saint Ann (6.1 mi)
63135 Saint Louis (6.2 mi)
63043 Maryland Heights (7.3 mi)
63373 Portage Des Sioux (7.7 mi)
63136 Saint Louis (7.8 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 50,568 |
| Population density | 3,358 / sq mi |
| State FIPS | 29 |
| County FIPS | 189 |
| Geography | |
|---|---|
| Land area | 15.06 sq mi |
| Water area | 1.35 sq mi |
| Latitude | 38.8142 |
| Longitude | -90.3729 |
| 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 | 37.0% | 36.1% | 43.8% |
| $50k – $100k | 37.5% | 30.6% | 31.5% |
| $100k – $200k | 23.0% | 23.0% | 19.5% |
| Over $200k | 2.6% | 10.4% | 5.2% |
Demographics & statistics
50,568
Population
3,358
People per sq mi
37.6
Median age
$70,068
Median household income
$34,188
Per capita income
$135,300
Median home value
$1,249
Median monthly rent
71.8%
Home ownership
8.5%
Poverty rate
6.5%
Unemployment
15,298
Housing units
28.1%
Bachelor's or higher
Age distribution
Male
Female
1,076
Under 5
1,148
1,802
5–9
1,924
1,730
10–14
1,847
1,680
15–19
1,793
1,572
20–24
1,677
3,563
25–34
3,803
3,100
35–44
3,309
2,844
45–54
3,035
1,748
55–59
1,866
1,888
60–64
2,014
2,034
65–74
2,171
991
75–84
1,057
433
85+
463
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 11,796 | 23.3% |
| 18 and over | 38,772 | 76.7% |
| 65 and over | 7,149 | 14.1% |
| Median age | 37.6 years | |
Race & ethnicity
White
50%
Black or African American
38.8%
Two or more races
6.8%
Hispanic or Latino
3%
Other race
0.9%
Asian
0.5%
| Group | Count | % |
|---|---|---|
| White | 26,056 | 50% |
| Black or African American | 20,228 | 38.8% |
| Two or more races | 3,544 | 6.8% |
| Hispanic or Latino | 1,589 | 3% |
| Other race | 456 | 0.9% |
| Asian | 256 | 0.5% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.0% | 36.1% | 43.8% |
| $50k – $100k | 37.5% | 30.6% | 31.5% |
| $100k – $200k | 23.0% | 23.0% | 19.5% |
| Over $200k | 2.6% | 10.4% | 5.2% |
Under $10k
2.5%
$10k–$15k
2.5%
$15k–$25k
5.5%
$25k–$35k
8.9%
$35k–$50k
13.3%
$50k–$75k
20.2%
$75k–$100k
15.9%
$100k–$150k
19.6%
$150k–$200k
8.0%
$200k+
3.6%
| Range | % of households |
|---|---|
| Under $10k | 2.5% |
| $10k–$15k | 2.5% |
| $15k–$25k | 5.5% |
| $25k–$35k | 8.9% |
| $35k–$50k | 13.3% |
| $50k–$75k | 20.2% |
| $75k–$100k | 15.9% |
| $100k–$150k | 19.6% |
| $150k–$200k | 8.0% |
| $200k+ | 3.6% |
| Median income | $70,068 |
Housing
Home values
Under $50k
2.6%
$50k–$100k
16.6%
$100k–$150k
42.0%
$150k–$200k
19.3%
$200k–$300k
14.9%
$300k–$500k
3.2%
$500k–$1M
0.8%
$1M+
0.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $135,300 |
| Median rent / month | $1,249 |
| Owner occupied | 71.8% |
| Renter occupied | 28.2% |
| Vacant | 7.2% |
| Single-family detached | 87.4% |
| Large apartment buildings | 2.7% |
| Mobile homes | 0.0% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.66 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 0.6% |
| 2000–2009 | 3.3% |
| 1990–1999 | 5.7% |
| 1980–1989 | 14.1% |
| 1970–1979 | 16.1% |
| 1960–1969 | 31.0% |
| 1950–1959 | 23.4% |
| 1940–1949 | 4.3% |
| 1939 or earlier | 1.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.8% |
| 1 bedroom | 6.2% |
| 2 bedrooms | 16.8% |
| 3 bedrooms | 62.2% |
| 4 bedrooms | 12.3% |
| 5+ bedrooms | 1.6% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.2% |
| 1 vehicle | 33.9% |
| 2 vehicles | 41.2% |
| 3 or more | 19.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 80.6% |
| Electricity | 18.0% |
| Propane / LP gas | 0.6% |
| Fuel oil | 0.2% |
| Wood | 0.1% |
| No fuel used | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 8,399 | 43.7% |
| Cohabiting couple | 1,371 | 7.1% |
| Male householder, no spouse | 3,081 | 16.0% |
| Female householder, no spouse | 6,357 | 33.1% |
| Households with children under 18 | 6,043 | 31.5% |
| Households with seniors (65+) | 5,167 | 26.9% |
| Average household size | 2.59 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 41.3% | 34.4% |
| Married | 46.5% | 40.2% |
| Separated | 1.1% | 1.8% |
| Widowed | 2.1% | 8.8% |
| Divorced | 8.9% | 14.8% |
Education
Less than 9th grade
2.1%
Some HS, no diploma
6.1%
HS graduate
29.0%
Some college, no degree
24.2%
Associate's degree
10.6%
Bachelor's degree
19.2%
Graduate / professional
8.9%
| Metric | % |
|---|---|
| HS diploma or higher | 91.8% |
| Bachelor's or higher | 28.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 996 | 7.3% |
| Kindergarten | 535 | 3.9% |
| Elementary school | 5,849 | 43.1% |
| High school | 2,870 | 21.2% |
| College / grad school | 3,309 | 24.4% |
Employment
Industry of employment
Education & healthcare
22.9%
Retail trade
12.9%
Manufacturing
11.4%
Professional & management
9.6%
Finance & real estate
8.7%
Transportation & utilities
8.1%
Arts, food & hospitality
6.1%
Construction
5.2%
Other services
4.5%
Public administration
3.9%
Wholesale trade
3.7%
Information
2.5%
Agriculture & mining
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.9% |
| Service | 15.0% |
| Sales & office | 25.4% |
| Natural resources & construction | 6.4% |
| Production & transportation | 16.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 83.3% |
| Government | 13.0% |
| Self-employed | 3.6% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 80.6% |
| Carpool | 6.6% |
| Public transit | 0.7% |
| Walk | 0.8% |
| Work from home | 10.4% |
| Other means | 0.8% |
| Avg commute (minutes) | 26.9 |
Poverty
All people
8.5%
Under 18 years
11.5%
18 and over
7.6%
Married-couple families
3.2%
Female-led households
18.3%
Income support
| Source | % of households |
|---|---|
| Social Security | 28.3% |
| Retirement income | 28.0% |
| Supplemental Security | 5.0% |
| Cash public assistance | 1.9% |
| Food stamps / SNAP | 7.8% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 30.4% |
| High blood pressure | 32.7% |
| High cholesterol | 30.3% |
| Diabetes | 9.6% |
| Heart disease | 6.4% |
| Stroke | 3.2% |
| Asthma | 10.0% |
| Arthritis | 26.4% |
| Kidney disease | 2.9% |
| Pulmonary disease | 7.4% |
| Cancer | 6.6% |
| Behavior / access | % |
|---|---|
| Smoking | 18.8% |
| Binge drinking | 17.9% |
| No physical activity | 25.1% |
| Less than 7 hrs sleep | 32.8% |
| Depression | 21.4% |
| Fair or poor health | 16.0% |
| Poor mental health | 15.6% |
| Poor physical health | 11.0% |
| No health insurance | 15.2% |
| Visited doctor (checkup) | 76.2% |
| Visited dentist | 62.5% |
| Cholesterol screening | 89.0% |
| Teeth loss | 14.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,405 | 6.2% |
| Disability | % |
|---|---|
| Any disability | 11.6% |
| Under 18 | 4.3% |
| 18–64 years | 10.6% |
| 65 and over | 29.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 76.4% |
| Public insurance | 25.8% |
| No insurance | 7.6% |
| Uninsured under 19 | 4.9% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 48,344 | 95.6% |
| Spanish | 1,021 | 2.1% |
| Other Indo-European | 644 | 1.3% |
| Asian & Pacific Islander | 38 | 0.1% |
| Other languages | 36 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 48,007 | 94.9% |
| Born in same state | 47,725 | 94.4% |
| Born in different state | 37,013 | 73.2% |
| Foreign born | 282 | 0.6% |
| Naturalized citizen | 2,561 | 5.1% |
| Not a US citizen | 1,464 | 57.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 6,144 | 12.1% |
| French | 3,499 | 6.9% |
| Arab | 1,650 | 3.3% |
| English | 486 | 1% |
| Polish | 277 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 181 | 0.4% |
| German | 40 | 0.1% |
| Norwegian | 24 | 0% |
| Irish | 8 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.0% |
| Internet access | 95.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 63031
What part of Florissant is ZIP code 63031?
ZIP code 63031 covers a portion of Florissant, Missouri, within Saint Louis County.
What county is ZIP code 63031 in?
ZIP code 63031 falls within Saint Louis County, Missouri.
What is the typical home value in ZIP code 63031?
The median home value in ZIP code 63031 is $135,300.
What is the population of ZIP code 63031?
ZIP code 63031 has an estimated population of 50,568 residents, with a density of 3,358 people per square mile.
What is the median household income in ZIP code 63031?
The median household income in ZIP code 63031 is $70,068, below the national median of ~$75,000.
What timezone is ZIP code 63031 in?
ZIP code 63031 observes the CST timezone.