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ZIP code

63031

Florissant, MO

STANDARD

63031 covers Florissant in St. Louis County, with 50,258 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

50,258

Median household income

$71,783

Median home value

$144,500

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 63031. Methodology

ZIP code map of 63031

Census ZCTA boundary for ZIP 63031 in Florissant, Missouri
Census ZCTA boundary for ZIP 63031 in Florissant, Missouri. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 63031

Type

STANDARD

City

Florissant

County

St. Louis County

Timezone

America/Chicago

Area codes

314, 557, 636

Land area

15.1 sq mi

Water area

1.35 sq mi

Households

21,159

Median gross rent

$1,351

More enterprise fields

Timezone
America/Chicago
Area Codes
314, 557, 636
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 63031. Not ACS. Methodology

People in 63031

Race

  • White23,494
  • Black or African American19,551
  • American Indian or Alaska Native98
  • Asian622
  • Native Hawaiian and Pacific Islander23
  • Other race816
  • Two or more races3,005

Hispanic or Latino (any race): 1,493

Age

  • Under 105,976
  • 10 to 196,578
  • 20 to 295,936
  • 30 to 396,357
  • 40 to 495,628
  • 50 to 596,171
  • 60 to 695,927
  • 70 to 793,118
  • 80 and older1,918

Income and housing in 63031

Poverty rate

10.3%

Median earnings

$42,920

Median household income

$71,783

Median home value

$144,500

Median gross rent

$1,351

Education

  • High school graduate91.8%
  • Bachelor's degree28.0%
  • Graduate degree8.3%

Places covering 63031

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

22.5% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 63031

IRS populationACS population
54,61327,307020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
200546,210
200644,558
200746,396
200844,300
200944,485
201044,178
201148,47844,409
201248,52944,080
201349,65043,910
201449,32443,920
201548,88943,260
201648,59142,260
201747,67242,370
201847,41941,740
201947,74842,100
202049,11042,160
202149,90339,780
202250,56839,560
202350,258

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 63031

12 nearest ZIP centroids (any distance)

  1. 63042Hazelwood2.5 miPop 17,953 · Income $49,384
  2. 63034Florissant4.2 miPop 19,557 · Income $110,491
  3. 63033Florissant4.4 miPop 42,258 · Income $63,979
  4. 63044Bridgeton4.9 miPop 10,510 · Income $76,094
  5. 63134Saint Louis5.0 miPop 13,460 · Income $42,222
  6. 63135Saint Louis5.1 miPop 19,446 · Income $55,179
  7. 63140Saint Louis5.3 miPop 350 · Income $43,438
  8. 63074Saint Ann6.2 miPop 16,237 · Income $51,351
  9. 63045Earth City6.6 miPop 0 · Income —
  10. 63301Saint Charles6.7 miPop 51,625 · Income $83,551
  11. 63136Saint Louis6.9 miPop 41,314 · Income $40,388
  12. 63114Saint Louis7.6 miPop 33,703 · Income $52,048

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 63031, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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63031 Florissant, MO

Looking up ZIP codes within 2 miles of 63031 Florissant, MO, measured by centroid distance.

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ZIP code 63031 FAQ

What city is ZIP code 63031 in?
63031 is in Florissant, MO.
What county is 63031 in?
63031 is in St. Louis County.
What is the median household income in 63031?
The median household income in 63031 is $71,783.
Which ZIP codes are near 63031?
Use the radius tool on this page to list ZIP codes within a chosen distance of 63031.