ZIP Code 63304 - Saint Charles Missouri

ZIP Code 63304 is located in Saint Charles Missouri. Portions of 63304 are also in Cottleville and St. Peters and O'Fallon and Weldon Spring and Weldon Spring Heights and Cottleville Township and Dardenne Township and Boone Township (Saint Charles County) and Harvester Township and St. Peters Township. 63304 is entirely within Saint Charles County. Regionally, it is located in Metro St. Louis.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 63304 Quick Stats

ZIP Code NameSaint Charles
Primary CountySaint Charles County
ZIP Code TypeStandard
Population (2022)42,738
Area Code(s)636
Current Time

ZIP Code 63304 Map

63304 Demographics

63304 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Missouri based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 63304 is White. The majority race/ethnicity attending public schools in 63304 is White. The current unemployment level in 63304 is 2.7%.

Population Growth Rate3.43%
Population Density1,142 People per Square Mile
Total Households14,390
Percentage High Income Households6.8%
Median Houshold Income (2021)$103,766
Average Adjusted Gross Income (2020)$102,770
Current Unemployment Rate (March 2024)2.7%
Majority Race/EthnictyWhite - 91.36%
Public School Majority Race/EthnictyWhite - 80.97%

63304 Race/Ethnicty Breakdown

Native American400.1%
Hawaiian/Pac. Islander00%

63304 Public School Race/Ethnicty Breakdown

Native American150.17%
Hawaiian/Pac. Islander50.06%

63304 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College2,0428.07%
Bachelor Degree6,84627.06%
High School Diploma5,16420.41%
No High School Diploma4801.9%
GED or Alternate5822.3%
1 or More Years of College4,19616.58%
Associates Degree1,8897.47%
Masters Degree3,26112.89%
Professional Degree4631.83%
Doctorate Degree3771.49%

63304 Geography

Adjacent ZIP Codes
Cities/Towns in 63304
RegionMetro St. Louis
Metropolitan/Micropolitan Stat AreaSt. Louis, MO-IL
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area37 Square Miles

63304 Politics

US Congressional Districts in 63304
Missouri State Senate Districts in 63304
Missouri State House of Representatives Districts in 63304

63304 Weather and Climate Data

Plant Hardiness ZoneZone 6a: -10F to -5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion72f - River Hills

63304 Annual Climate Data

Avg Min Temp (°F)19243343536368655745352444
Avg Max Temp (°F)38445567768589888069554266
Avg Precip (In.)1.922.13.433.854.243.694.073.1632.843.572.838.69

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