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St. Charles, MO
City in St. Charles County, Missouri. ZIP codes: 63301, 63303.
Population
71,508
Land area
25.2sq mi
People per sq mi
2,836
ZIP codes
2
St. Charles and its ZIP codes
St. Charles at a glance
- St. Charles is about 31 times as dense as Missouri as a whole.
- It is the 8th most populous of 1,062 cities and towns in Missouri.
- Households here earn a median of $85,937 a year, 22% more than the Missouri figure of $70,702.
- A typical owner-occupied home is valued at $298,700 (30% above Missouri) and median rent is $1,251 a month.
Local data for St. Charles, MO
Counts from official public data
Housing and community stats
St. Charles, MO, American Community Survey 2020-2024
Median household income
$85,937
Poverty rate
7.3%
Median home value
$298,700
Median rent
$1,251/mo
Homeownership
68.0%
Bachelor's or higher
43.3%
Median age
38.6
Average commute
21.6 min
Largest reported origins and ancestries: German Americans (21,662), Irish Americans (10,615), Mexican Americans (3,138).
Economy and federal money
Jobs, pay, income and spending are for St. Charles County. PPP loans are for St. Charles.
Unemployment rate
3.3%
Aug 2026, -0.3 pts in a year
Average annual pay
$62,680
162,655 jobs, 2025
Income per person
$71,954
BEA, 2024
Federal spending
$2.5B
FY 2026, $6,244 per person
How people get to work
St. Charles, MO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone73.8%
- Carpooled5.4%
- Public transit0.2%
- Walked1.5%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other1.0%
- Worked from home18.0%
Average one-way commute: 21.6 minutes for people who do not work from home.
Environment and hazard risk
St. Charles, MO, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: strong wind
Storm events since 1996
865
Countywide, mostly thunderstorm wind
Flood insurance policies
1,076
0.8% of homes, county
July high / Jan low
88° / 22°F
45.7 inches of rain a year
Hazards, floods and storm historyCheck a flood zone11 historic places
Health statistics
Share of adults in St. Charles, MO, CDC PLACES estimates
Obesity
35.9%
U.S. 33.3% +2.6 pts
Diabetes
10.4%
U.S. 12.1% -1.7 pts
Smoking
12.5%
U.S. 12.8% about the same
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
ZIP codes in St. Charles
2 in or overlapping St. Charles. Population shown
Cities near St. Charles
| Name | Distance | Land area (sq mi) |
|---|---|---|
| BridgetonCity | 4.4 mi | 14.6 |
| ChampVillage | 4.5 mi | 0.8 |
| Maryland HeightsCity | 5.4 mi | 21.9 |
| HazelwoodCity | 5.9 mi | 16 |
| St. PetersCity | 7.1 mi | 22.5 |
| St. AnnCity | 7.7 mi | 3.2 |
| EdmundsonCity | 8.5 mi | 0.3 |
| Woodson TerraceCity | 8.9 mi | 0.8 |
| Breckenridge HillsCity | 9 mi | 0.8 |
| CottlevilleCity | 9.2 mi | 4.7 |
| BerkeleyCity | 9.6 mi | 5 |
| Creve CoeurCity | 9.7 mi | 10.3 |
| Weldon SpringCity | 10 mi | 7.6 |
| FlorissantCity | 10 mi | 12.6 |
| OverlandCity | 10 mi | 4.4 |
| St. JohnCity | 10 mi | 1.4 |
Frequently asked questions
- What county is St. Charles, MO in?
- St. Charles is in St. Charles County, Missouri.
- What ZIP codes are in St. Charles, MO?
- ZIP codes in or overlapping St. Charles include 63301, 63303.
- What is the population of St. Charles, MO?
- About 71,508 people live in St. Charles, based on American Community Survey 5-year estimates.
- What cities are near St. Charles?
- Nearby places include Bridgeton (4.4 mi), Champ (4.5 mi), Maryland Heights (5.4 mi), Hazelwood (5.9 mi), St. Peters (7.1 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023