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ZIP Code 63304
Weldon Spring Heights, MO, St. Charles County
Population
43,195
Land area
55.1sq mi
People per sq mi
784
City
Weldon Spring Heights
ZIP 63304 and nearby ZIP codes
ZIP 63304 at a glance
- ZIP 63304 (Weldon Spring Heights) is about 8.7 times as dense as Missouri as a whole.
- The median household income is $114,442, 62% above the Missouri median of $70,702.
- A typical owner-occupied home is valued at $351,000 (52% above Missouri) and median rent is $1,749 a month.
Local data for ZIP 63304
Counts from official public data
Housing and community stats
ZIP 63304, American Community Survey 2020-2024
Median household income
$114,442
Poverty rate
3.5%
Median home value
$351,000
Prices +4.5% in a year
Median rent
$1,749/mo
Homeownership
87.7%
Bachelor's or higher
49.3%
Median age
40.7
Average commute
24.4 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
958
ZIP Business Patterns 2023
Employees
12,151
$631M annual payroll
PPP loans
$83M
1,086 loans
Campaign donations
$232K
19% D, 36% R, 2026 cycle
Environment and hazard risk
ZIP 63304, 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° / 21°F
44.4 inches of rain a year
Health statistics
Share of adults in ZIP 63304, CDC PLACES estimates
Obesity
35.1%
U.S. 33.3% +1.8 pts
Diabetes
10.0%
U.S. 12.1% -2.1 pts
Smoking
11.6%
U.S. 12.8% -1.2 pts
Uninsured (18-64)
5.6%
U.S. 11.1% -5.5 pts
Frequently asked questions
- What city is ZIP code 63304?
- ZIP code 63304 is in Weldon Spring Heights, MO (St. Charles County).
- What county is ZIP code 63304 in?
- ZIP code 63304 is mostly in St. Charles County, Missouri.
- How many people live in ZIP code 63304?
- About 43,195 people live in the 63304 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.