ZIP Code 63303 - Saint Charles Missouri

ZIP Code 63303 is located in Saint Charles Missouri. Portions of 63303 are also in St. Charles and St. Peters and Zumbehl Township and Frontier Township and Harvester Township and Spencer Creek Township and Lindenwood Township. 63303 is entirely within Saint Charles County. Regionally, it is located in Metro St. Louis.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 63303 Quick Stats

ZIP Code NameSaint Charles
Primary CountySaint Charles County
ZIP Code TypeStandard
Population (2022)47,285
Area Code(s)314 / 557 / 636
Current Time

ZIP Code 63303 Map

63303 Demographics

63303 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 63303 is White. The majority race/ethnicity attending public schools in 63303 is White. The current unemployment level in 63303 is 3.0%.

Population Growth Rate0.22%
Population Density2,233 People per Square Mile
Total Households18,888
Percentage High Income Households4.8%
Median Household Income (2021)$85,949
Average Adjusted Gross Income (2021)$384,170
Current Unemployment Rate (May 2024)3.0%
Majority Race/EthnictyWhite - 83.58%
Public School Majority Race/EthnictyWhite - 71.17%

63303 Race/Ethnicty Breakdown

Native American710.15%
Hawaiian/Pac. Islander550.12%

63303 Public School Race/Ethnicty Breakdown

Native American110.23%
Hawaiian/Pac. Islander170.36%

63303 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College2,3437.79%
Bachelor Degree7,85026.12%
High School Diploma6,78422.57%
No High School Diploma3431.14%
GED or Alternate1,1233.74%
1 or More Years of College4,75915.83%
Associates Degree2,6678.87%
Masters Degree3,58111.91%
Professional Degree3301.1%
Doctorate Degree2790.93%

63303 Geography

Adjacent ZIP Codes
Cities/Towns in 63303
RegionMetro St. Louis
Metropolitan/Micropolitan Stat AreaSt. Louis, MO-IL
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area21 Square Miles

63303 Politics

US Congressional Districts in 63303
Missouri State Senate Districts in 63303
Missouri State House of Representatives Districts in 63303

63303 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

63303 Annual Climate Data

Avg Min Temp (°F)19233343536367655644342444
Avg Max Temp (°F)37445566768589878069544265
Avg Precip (In.)

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