Zip code 63303: Saint Charles, Missouri

Q: What city is zip code 63303?

63303 is assigned to Saint Charles, Missouri. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 63303 in?

63303 is in St. Charles County, Missouri.

Q: What is the population of 63303?

About 46,089 people live in 63303, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 63303?

The median household income in 63303 is $99,138.

Q: What zip codes are near 63303?

The closest zip codes to 63303 are 63346, 63146, 63302, 63043, 63045.

Residential delivery areaSt. Charles CountyCentral Time

Population

46,089

Median household income

$99K

U.S. $81K

Median home value

$321K

U.S. $333K

Median rent

$1,374/mo

U.S. $1,413

Median age

41.4

U.S. 38.9

Land area

20 sq mi

2,333 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 63303

63303 is a suburban zip code in Saint Charles, Missouri (St. Charles County), covering 20 sq mi of land. About 46,089 people live here, or 2,333 per square mile. The median resident is 41.4 years old, compared with 38.9 nationally.

The median household earns $99,138 a year, 23% above the national median of $80,734. 5.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $321,100, or 3.2 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 74% of occupied homes are lived in by their owners, and renters pay a median of $1,374 a month.

49% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 21.9 minutes each way, and 19% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and healthcare.

How 63303 compares

Sorted from highest to lowest national percentile

Per capita income$58,928
84th
StrengthU.S. $44,673 · MO $39,69539th of 968 in MO
Tech workers5.6%
83rd
U.S. 3.8% · MO 3.4%66th of 967 in MO
Bachelor's degree or higher48.8%
78th
U.S. 35.7% · MO 32.4%59th of 965 in MO
Median earnings per worker$60,987
77th
U.S. $49,666 · MO $45,78064th of 960 in MO
Population46,089
76th
U.S. 334,922,499 · MO 6,191,81415th of 968 in MO
Work from home18.6%
74th
U.S. 15.1% · MO 13%136th of 967 in MO
Broadband access94.7%
73rd
U.S. 91% · MO 89.3%90th of 966 in MO
Median household income$99,138
71st
U.S. $80,734 · MO $70,70275th of 934 in MO
Residents 65 and older19.3%
69th
U.S. 17.2% · MO 17.9%472nd of 968 in MO
Median age41.4
68th
U.S. 38.9 · MO 39492nd of 968 in MO
Homeownership rate74.1%
64th
U.S. 65.2% · MO 68.1%630th of 966 in MO
Population density2,333/sq mi
61st
U.S. 95/sq mi · MO 90/sq mi73rd of 968 in MO
Veterans6.4%
58th
U.S. 6.2% · MO 7.3%618th of 968 in MO
Healthcare workers9.9%
57th
U.S. 9.7% · MO 10.4%413th of 967 in MO
Median gross rent$1,374
48th
U.S. $1,413 · MO $1,03348th of 783 in MO
Median home value$321,100
47th
U.S. $332,700 · MO $230,30083rd of 917 in MO
Income inequality (Gini)0.431
47th
U.S. 0.483 · MO 0.465357th of 964 in MO
Foreign-born residents6.2%
35th
U.S. 14.1% · MO 4.5%106th of 968 in MO
Diversity index36.1
31st
U.S. 61.4 · MO 40.1154th of 968 in MO
Average commute21.9 min
22nd
U.S. 26.4 min · MO 23.5 min709th of 934 in MO
Self-employed workers7.2%
22nd
U.S. 10% · MO 9%719th of 967 in MO
Uninsured rate3.9%
21st
U.S. 8.4% · MO 8.8%814th of 968 in MO
Housing vacancy3.9%
21st
U.S. 10.1% · MO 11.2%856th of 966 in MO
Residents under 1817.8%
18th
U.S. 22% · MO 22.3%735th of 968 in MO
Poverty rate5.3%
14th
StrengthU.S. 12.5% · MO 12.6%817th of 966 in MO
Government workers8.8%
11th
U.S. 14.5% · MO 13.2%754th of 967 in MO
Rent-burdened renters35.3%
9th
StrengthU.S. 51.1% · MO 45.6%513th of 908 in MO
Unemployment rate2.1%
6th
StrengthU.S. 5.2% · MO 4%600th of 967 in MO

Measure	63303	St. Charles	MO	U.S.	National percentile	Rank in MO
Per capita incomeStrength	$58,928	$51,051	$39,695	$44,673	84th	39th of 968
Tech workers	5.6%	5.2%	3.4%	3.8%	83rd	66th of 967
Bachelor's degree or higher	48.8%	42.7%	32.4%	35.7%	78th	59th of 965
Median earnings per worker	$60,987	$59,077	$45,780	$49,666	77th	64th of 960
Population	46,089	414,535	6,191,814	334,922,499	76th	15th of 968
Work from home	18.6%	18%	13%	15.1%	74th	136th of 967
Broadband access	94.7%	95.1%	89.3%	91%	73rd	90th of 966
Median household income	$99,138	$104,692	$70,702	$80,734	71st	75th of 934
Residents 65 and older	19.3%	17%	17.9%	17.2%	69th	472nd of 968
Median age	41.4	39.8	39	38.9	68th	492nd of 968
Homeownership rate	74.1%	80.5%	68.1%	65.2%	64th	630th of 966
Population density	2,333/sq mi	740/sq mi	90/sq mi	95/sq mi	61st	73rd of 968
Veterans	6.4%	6.6%	7.3%	6.2%	58th	618th of 968
Healthcare workers	9.9%	9%	10.4%	9.7%	57th	413th of 967
Median gross rent	$1,374	$1,370	$1,033	$1,413	48th	48th of 783
Median home value	$321,100	$320,800	$230,300	$332,700	47th	83rd of 917
Income inequality (Gini)	0.431	0.408	0.465	0.483	47th	357th of 964
Foreign-born residents	6.2%	4.5%	4.5%	14.1%	35th	106th of 968
Diversity index	36.1	30.5	40.1	61.4	31st	154th of 968
Average commute	21.9 min	24.5 min	23.5 min	26.4 min	22nd	709th of 934
Self-employed workers	7.2%	7.4%	9%	10%	22nd	719th of 967
Uninsured rate	3.9%	4.2%	8.8%	8.4%	21st	814th of 968
Housing vacancy	3.9%	3.5%	11.2%	10.1%	21st	856th of 966
Residents under 18	17.8%	22.5%	22.3%	22%	18th	735th of 968
Poverty rateStrength	5.3%	5.2%	12.6%	12.5%	14th	817th of 966
Government workers	8.8%	10.2%	13.2%	14.5%	11th	754th of 967
Rent-burdened rentersStrength	35.3%	42.4%	45.6%	51.1%	9th	513th of 908
Unemployment rateStrength	2.1%	2.9%	4%	5.2%	6th	600th of 967

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

13%

5–17

18–24

16%

25–34

13%

35–44

10%

45–54

16%

55–64

11%

65–74

75+

Median age

41.4

Under 18

17.8%

65 and over

19.3%

Race and ethnicity

White79%
Black6%
Hispanic5%
Asian5%
Native American0.0%
Pacific Islander0.1%
Other0.8%
Multiracial4%

Diversity index

36.1

U.S. 61.4

Foreign-born

6.2%

U.S. 14.1%

Born in state

64.4%

Language spoken at home (households)

English only

92%

Spanish

Other Indo-European

Asian / Pacific

Other

0.4%

Households

Households: 20,690
Average household size: 2.2
Family households: 60%
Married couples: 49.8%
Living alone: 32.1%
Veterans (of adults): 6.4%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

14%

$50–75k

18%

$75–100k

13%

$100–150k

21%

$150–200k

11%

$200k+

17%

Median household income

63303

$99,138

St. Charles Co.

$104,692

Missouri

$70,702

United States

$80,734

Per capita income

$58,928

U.S. $44,673

Poverty rate

5.3%

U.S. 12.5%

Households earning $150K+

28.6%

U.S. 23%

Income inequality (Gini)

0.431

U.S. 0.483

Housing

Median home value

63303

$321,100

St. Charles Co.

$320,800

Missouri

$230,300

United States

$332,700

Median gross rent

63303

$1,374

St. Charles Co.

$1,370

Missouri

$1,033

United States

$1,413

Types of housing

Single-family

73%

2–4 units

5–19 units

14%

20+ units

Mobile home

Boat, RV, van

0.1%

Housing units: 21,538
Owner-occupied: 74.1%
Vacant: 3.9%
Median year built: 1989
Median rooms: 6.1
Renters paying 30%+ of income: 35.3%
Renters paying 50%+ of income: 19.9%
Home value to income: 3.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

75%

Carpooled

Transit

Walked

0.8%

Bicycle

0.0%

Worked from home

19%

Other

Commute time (one way)

<10 min

10%

10–19

34%

20–29

31%

30–44

20%

45–59

60+

Average commute

21.9 min

U.S. 26.4 min

Unemployment

2.1%

U.S. 5.2%

In labor force

69%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

15%

Office and admin

10%

Healthcare

10%

Business and finance

Sales

Engineering and science

Transportation and moving

Construction and repair

Education

Computer and math

Food service

Production

Cleaning and personal care

Legal and social services

Arts, media and sports

Police and fire

Farming, fishing and forestry

0.3%

Industries

Manufacturing

14%

Health care and social assistance

14%

Finance, insurance and real estate

11%

Professional and technical services

11%

Retail

Education

Construction

Transportation, warehousing and utilities

Restaurants and hotels

Admin, support and management

Other services

Wholesale

Information

Public administration

Arts and recreation

Agriculture and mining

0.7%

Median earnings per worker

$60,987

U.S. $49,666

Self-employed

7.2%

U.S. 10%

Government workers

8.8%

U.S. 14.5%

Nonprofit workers

10.1%

U.S. 8.8%

Median earnings by type of work

Type of work	63303	U.S.
Management, business, science and arts	$83,125	$74,888
Service	$28,447	$26,804
Sales and office	$48,046	$40,476
Construction and maintenance	$57,792	$49,199
Production and transportation	$40,756	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

21%

Some college

19%

Associate's

Bachelor's

30%

Graduate

19%

High school graduate or higher: 96.4%
Bachelor's degree or higher: 48.8%
Graduate or professional degree: 19%
Households with broadband: 94.7%
Cable, fiber or DSL: 86.1%
No internet access: 3.3%
Without health insurance: 3.9%
Limited-English households: 0.4%

Geography

City (USPS): Saint Charles
State: Missouri
County: St. Charles County
Center point: 38.7398° N, 90.5437° W
Land area: 20 sq mi
Water area: 1.5 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

St. Charles37% of zip
St. Peters4% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 63303

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
63346	Flinthill, MO · PO box	0.9 mi	—	—	—
63146	Saint Louis, MO	4.3 mi	30,678	$84,756	$301,700
63302	Saint Charles, MO · PO box	4.5 mi	—	—	—
63043	Maryland Heights, MO	4.8 mi	21,924	$91,509	$227,600
63045	Earth City, MO	4.8 mi	0	—	—
63376	Saint Peters, MO	5.6 mi	74,962	$96,393	$275,400
63006	Chesterfield, MO · PO box	5.6 mi	—	—	—
63017	Chesterfield, MO	5.8 mi	43,243	$127,095	$466,100
63338	Cottleville, MO · PO box	6 mi	—	—	—
63044	Bridgeton, MO	6.5 mi	10,324	$77,819	$238,100
63141	Saint Louis, MO	7.4 mi	20,932	$133,851	$620,900
63304	Saint Charles, MO	8 mi	43,195	$114,442	$351,000

Zip codes like 63303 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 63303

What city is zip code 63303?

63303 is assigned to Saint Charles, Missouri. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 63303 in?

63303 is in St. Charles County, Missouri.

What is the population of 63303?

About 46,089 people live in 63303, according to the Census Bureau's American Community Survey.

What time zone is 63303 in?

63303 is in Central Time.

What is the median household income in 63303?

The median household income in 63303 is $99,138.

What zip codes are near 63303?

The closest zip codes to 63303 are 63346, 63146, 63302, 63043, 63045.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 63303, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.