What county is 63303 in?

63303 is in St. Charles County.

What is the median household income in 63303?

The median household income in 63303 is $98,031.

Which ZIP codes are near 63303?

Use the radius tool on this page to list ZIP codes within a chosen distance of 63303.

ZIP code

63303

Saint Charles, MO

STANDARD

63303 covers Saint Charles in St. Charles County, with 46,627 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

46,627

Median household income

$98,031

Median home value

$301,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 63303. Methodology

ZIP code map of 63303

Census ZCTA boundary for ZIP 63303 in Saint Charles, 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 63303

Type

STANDARD

City

Saint Charles

County

St. Charles County

Timezone

America/Chicago

Area codes

314, 557, 636

Land area

19.8 sq mi

Water area

1.49 sq mi

Households

21,448

Median gross rent

$1,329

Acceptable cities: Saint Peters

More enterprise fields

Timezone

America/Chicago

Area Codes

314, 557, 636

World Region

Country

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 63303. Not ACS. Methodology

People in 63303

Race

White37,497
Black or African American3,510
American Indian or Alaska Native96
Asian2,232
Native Hawaiian and Pacific Islander11
Other race816
Two or more races3,130

Hispanic or Latino (any race): 2,165

Age

Under 105,304
10 to 195,045
20 to 296,314
30 to 396,597
40 to 495,497
50 to 596,455
60 to 696,512
70 to 793,674
80 and older1,894

Income and housing in 63303

Poverty rate

4.5%

Median earnings

$58,782

Median household income

$98,031

Median home value

$301,700

Median gross rent

$1,329

Education

High school graduate95.7%
Bachelor's degree50.1%
Graduate degree19.1%

Places covering 63303

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.

St. Charles54.8%
St. Peters4.7%

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.

St. Charles County100.0%

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

40.5% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 63303

IRS populationACS population

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.
Year	ACS population	IRS population
2005		43,173
2006		41,326
2007		43,241
2008		42,573
2009		43,390
2010		43,680
2011	45,851	43,839
2012	45,781	43,650
2013	46,318	44,030
2014	46,731	43,920
2015	47,227	44,240
2016	47,660	44,060
2017	47,669	43,520
2018	47,906	43,390
2019	48,363	43,620
2020	47,897	44,050
2021	47,772	42,930
2022	47,285	42,840
2023	46,627

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

ZIP codes near 63303

12 nearest ZIP centroids (any distance)

63146Saint Louis4.3 miPop 30,917 · Income $85,724
63045Earth City4.8 miPop 0 · Income —
63043Maryland Heights4.8 miPop 21,651 · Income $91,050
63376Saint Peters5.6 miPop 74,876 · Income $94,921
63017Chesterfield5.8 miPop 43,074 · Income $128,750
63044Bridgeton6.5 miPop 10,510 · Income $76,094
63141Saint Louis7.4 miPop 20,640 · Income $122,917
63304Saint Charles8.0 miPop 43,389 · Income $114,124
63074Saint Ann8.4 miPop 16,237 · Income $51,351
63005Chesterfield8.8 miPop 19,679 · Income $202,232
63301Saint Charles9.2 miPop 51,625 · Income $83,551
63042Hazelwood9.3 miPop 17,953 · Income $49,384

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 63303, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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Radius (miles)

63303 Saint Charles, MO

Looking up ZIP codes within 2 miles of 63303 Saint Charles, MO, measured by centroid distance.

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ZIP code 63303 FAQ

What city is ZIP code 63303 in?: 63303 is in Saint Charles, MO.
What county is 63303 in?: 63303 is in St. Charles County.
What is the median household income in 63303?: The median household income in 63303 is $98,031.
Which ZIP codes are near 63303?: Use the radius tool on this page to list ZIP codes within a chosen distance of 63303.