63301 ZIP Code — Saint Charles, MO
Saint Charles County, Missouri
ZIP code 63301 is located in Saint Charles, Missouri, within Saint Charles County. It covers approximately 84.33 square miles and serves a population of 51,401 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 636.
About ZIP code 63301
The housing stock consists of a mix of housing types. Most homes were built in the 1960s, giving the area an established character. Median home value is $232,200. Owner-occupancy sits near the national average at 70%.
Median household income is $80,380. The poverty rate of 7% is below the national average. 31% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.
Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.
51,401
population
84.33
sq mi land
Standard
ZIP type
Central (CT)
timezone
63301 ZIP code map
Cities in ZIP code 63301
Below are the cities the US Postal Service accepts for ZIP code 63301. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Saint Charles | Acceptable |
| Saint Charles | Preferred |
Nearby ZIP codes
63031 Florissant (5.2 mi)
63373 Portage Des Sioux (5.5 mi)
63042 Hazelwood (5.6 mi)
63044 Bridgeton (6.5 mi)
63043 Maryland Heights (8.7 mi)
63034 Florissant (9 mi)
63303 Saint Charles (9.3 mi)
63303 Saint Charles (9.3 mi)
63074 Saint Ann (9.6 mi)
62028 Elsah (9.7 mi)
63134 Saint Louis (9.8 mi)
62013 Brussels (9.9 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 51,401 |
| Population density | 610 / sq mi |
| State FIPS | 29 |
| County FIPS | 183 |
| Geography | |
|---|---|
| Land area | 84.33 sq mi |
| Water area | 10.00 sq mi |
| Latitude | 38.8568 |
| Longitude | -90.4516 |
| Timezone | Central (CT) |
| Area code | 636 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.2% | 24.9% | 43.8% |
| $50k – $100k | 35.2% | 32.4% | 31.5% |
| $100k – $200k | 23.9% | 33.0% | 19.5% |
| Over $200k | 4.7% | 9.7% | 5.2% |
Demographics & statistics
51,401
Population
610
People per sq mi
36.9
Median age
$80,380
Median household income
$40,550
Per capita income
$232,200
Median home value
$1,040
Median monthly rent
69.5%
Home ownership
6.7%
Poverty rate
3.3%
Unemployment
15,965
Housing units
37.8%
Bachelor's or higher
Age distribution
Male
Female
1,165
Under 5
1,186
1,396
5–9
1,422
1,098
10–14
1,119
1,703
15–19
1,735
2,853
20–24
2,906
3,878
25–34
3,950
2,961
35–44
3,016
2,633
45–54
2,681
1,787
55–59
1,820
1,510
60–64
1,537
2,589
65–74
2,636
1,345
75–84
1,369
548
85+
558
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 8,742 | 17.0% |
| 18 and over | 42,659 | 83.0% |
| 65 and over | 9,045 | 17.6% |
| Median age | 36.9 years | |
Race & ethnicity
White
80.6%
Black or African American
6.1%
Two or more races
5.1%
Hispanic or Latino
4%
Asian
2.4%
Other race
1.7%
American Indian / Alaska Native
0.1%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 43,159 | 80.6% |
| Black or African American | 3,252 | 6.1% |
| Two or more races | 2,731 | 5.1% |
| Hispanic or Latino | 2,129 | 4% |
| Asian | 1,269 | 2.4% |
| Other race | 893 | 1.7% |
| American Indian / Alaska Native | 50 | 0.1% |
| Native Hawaiian / Pacific Islander | 47 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.2% | 24.9% | 43.8% |
| $50k – $100k | 35.2% | 32.4% | 31.5% |
| $100k – $200k | 23.9% | 33.0% | 19.5% |
| Over $200k | 4.7% | 9.7% | 5.2% |
Under $10k
3.0%
$10k–$15k
1.7%
$15k–$25k
5.1%
$25k–$35k
6.7%
$35k–$50k
13.0%
$50k–$75k
17.8%
$75k–$100k
13.9%
$100k–$150k
20.0%
$150k–$200k
11.9%
$200k+
6.9%
| Range | % of households |
|---|---|
| Under $10k | 3.0% |
| $10k–$15k | 1.7% |
| $15k–$25k | 5.1% |
| $25k–$35k | 6.7% |
| $35k–$50k | 13.0% |
| $50k–$75k | 17.8% |
| $75k–$100k | 13.9% |
| $100k–$150k | 20.0% |
| $150k–$200k | 11.9% |
| $200k+ | 6.9% |
| Median income | $80,380 |
Housing
Home values
Under $50k
5.7%
$50k–$100k
1.7%
$100k–$150k
8.9%
$150k–$200k
20.0%
$200k–$300k
37.0%
$300k–$500k
22.7%
$500k–$1M
3.6%
$1M+
0.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $232,200 |
| Median rent / month | $1,040 |
| Owner occupied | 69.5% |
| Renter occupied | 30.5% |
| Vacant | 6.6% |
| Single-family detached | 65.3% |
| Large apartment buildings | 5.0% |
| Mobile homes | 5.0% |
| Median rooms | 5.5 |
| Avg household size (owned) | 2.37 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.9% |
| 2010–2019 | 8.3% |
| 2000–2009 | 10.9% |
| 1990–1999 | 10.3% |
| 1980–1989 | 11.6% |
| 1970–1979 | 16.9% |
| 1960–1969 | 17.6% |
| 1950–1959 | 11.5% |
| 1940–1949 | 3.1% |
| 1939 or earlier | 9.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.3% |
| 1 bedroom | 11.1% |
| 2 bedrooms | 22.7% |
| 3 bedrooms | 45.1% |
| 4 bedrooms | 15.9% |
| 5+ bedrooms | 2.9% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.9% |
| 1 vehicle | 33.6% |
| 2 vehicles | 43.4% |
| 3 or more | 18.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 66.3% |
| Electricity | 31.1% |
| Propane / LP gas | 1.8% |
| Fuel oil | 0.1% |
| Wood | 0.1% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,259 | 44.4% |
| Cohabiting couple | 1,659 | 8.0% |
| Male householder, no spouse | 4,352 | 20.9% |
| Female householder, no spouse | 5,588 | 26.8% |
| Households with children under 18 | 5,232 | 25.1% |
| Households with seniors (65+) | 6,292 | 30.2% |
| Average household size | 2.22 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 40.9% | 33.9% |
| Married | 44.4% | 43.7% |
| Separated | 1.1% | 1.0% |
| Widowed | 2.7% | 8.6% |
| Divorced | 10.9% | 12.7% |
Education
Less than 9th grade
2.2%
Some HS, no diploma
4.0%
HS graduate
24.9%
Some college, no degree
21.3%
Associate's degree
9.8%
Bachelor's degree
22.6%
Graduate / professional
15.2%
| Metric | % |
|---|---|
| HS diploma or higher | 93.8% |
| Bachelor's or higher | 37.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 706 | 5.3% |
| Kindergarten | 767 | 5.7% |
| Elementary school | 3,780 | 28.1% |
| High school | 1,731 | 12.9% |
| College / grad school | 6,455 | 48.0% |
Employment
Industry of employment
Education & healthcare
22.6%
Manufacturing
12.5%
Professional & management
11.5%
Retail trade
10.8%
Arts, food & hospitality
10.3%
Finance & real estate
7.7%
Transportation & utilities
6.0%
Construction
5.9%
Other services
4.6%
Wholesale trade
3.1%
Public administration
2.9%
Information
1.6%
Agriculture & mining
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 43.1% |
| Service | 16.0% |
| Sales & office | 22.1% |
| Natural resources & construction | 7.7% |
| Production & transportation | 11.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 84.8% |
| Government | 11.4% |
| Self-employed | 3.5% |
| Unpaid family workers | 0.3% |
Commute
| Method | % |
|---|---|
| Drive alone | 78.2% |
| Carpool | 7.0% |
| Public transit | 0.4% |
| Walk | 1.7% |
| Work from home | 11.6% |
| Other means | 1.1% |
| Avg commute (minutes) | 22.3 |
Poverty
All people
6.7%
Under 18 years
11.2%
18 and over
5.7%
Married-couple families
1.6%
Female-led households
11.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 30.5% |
| Retirement income | 26.7% |
| Supplemental Security | 4.5% |
| Cash public assistance | 0.8% |
| Food stamps / SNAP | 5.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.7% |
| High blood pressure | 27.7% |
| High cholesterol | 32.2% |
| Diabetes | 8.6% |
| Heart disease | 6.2% |
| Stroke | 2.8% |
| Asthma | 9.2% |
| Arthritis | 24.4% |
| Kidney disease | 2.6% |
| Pulmonary disease | 6.8% |
| Cancer | 6.4% |
| Behavior / access | % |
|---|---|
| Smoking | 17.1% |
| Binge drinking | 20.4% |
| No physical activity | 23.7% |
| Less than 7 hrs sleep | 32.7% |
| Depression | 23.7% |
| Fair or poor health | 13.7% |
| Poor mental health | 15.6% |
| Poor physical health | 10.2% |
| No health insurance | 14.2% |
| Visited doctor (checkup) | 74.1% |
| Visited dentist | 62.3% |
| Cholesterol screening | 87.4% |
| Teeth loss | 15.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,977 | 7.0% |
| Disability | % |
|---|---|
| Any disability | 12.9% |
| Under 18 | 5.1% |
| 18–64 years | 10.4% |
| 65 and over | 30.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 79.8% |
| Public insurance | 25.8% |
| No insurance | 5.8% |
| Uninsured under 19 | 2.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 49,050 | 95.4% |
| Spanish | 1,094 | 2.2% |
| Other Indo-European | 676 | 1.4% |
| Asian & Pacific Islander | 145 | 0.3% |
| Other languages | 248 | 0.5% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 48,918 | 95.2% |
| Born in same state | 48,331 | 94.0% |
| Born in different state | 33,999 | 66.1% |
| Foreign born | 587 | 1.1% |
| Naturalized citizen | 2,483 | 4.8% |
| Not a US citizen | 967 | 38.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 7,713 | 15% |
| French | 5,194 | 10.1% |
| Arab | 4,168 | 8.1% |
| English | 714 | 1.4% |
| Polish | 285 | 0.6% |
| Ancestry | Count | % |
|---|---|---|
| German | 198 | 0.4% |
| Dutch | 153 | 0.3% |
| Irish | 141 | 0.3% |
| Norwegian | 46 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.6% |
| Internet access | 95.6% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 63301
What part of Saint Charles is ZIP code 63301?
ZIP code 63301 covers a portion of Saint Charles, Missouri, within Saint Charles County.
What county is ZIP code 63301 in?
ZIP code 63301 falls within Saint Charles County, Missouri.
What is the population of ZIP code 63301?
ZIP code 63301 has an estimated population of 51,401 residents, with a density of 610 people per square mile.
What is the typical home value in ZIP code 63301?
The median home value in ZIP code 63301 is $232,200.
What is the median household income in ZIP code 63301?
The median household income in ZIP code 63301 is $80,380, above the national median of ~$75,000.
What timezone is ZIP code 63301 in?
ZIP code 63301 observes the CST timezone.