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ZIP Code Database - Facts & Stats

Data Last Updated: April 1, 2023

Zip Code 63303, Saint Charles, MO

ZIP Code 63303 Details

Zip Code:63303
City:Saint Charles
State:MO [Missouri]
Multi County:No
City Alias(es):Saint Charles
Saint Peters
City Alias(es) To Avoid Using:Harvester
St Peters
Area Code:636 / 314
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:516 ft
State FIPS:29
County FIPS:183
Division:West North Central
Intro Date:<2004-10

ZIP Code 63303 2010 Census Demographics

Current Population:49,356
2010 Population:45,834
Households per ZIP Code:18,957
Average House Value:$242,600
Avg. Income Per Household:$85,949
Persons Per Household:2.40
White Population:40,922
Black Population:2,843
Hispanic Population:1,497
Asian Population:2,020
American Indian Population:325
Hawaiian Population:49
Other Population:677
Male Population:22,485
Female Population:23,349
Median Age:38.50 years
Male Median Age:36.80 years
Female Median Age:40.10 years

ZIP Code 63303 Other Demographics

# Residential Mailboxes:20,565
# Business Mailboxes:850
Total Delivery Receptacles:21,352
Number of Businesses:957
1st Quarter Payroll:$94,367,000
Annual Payroll:$374,823,000
# of Employees:11,200
Water Area:1.488 sq mi
Land Area:19.754 sq mi
118th Congressional District:03
118th Congressional Land Area:6851.54 sq mi
Single Family Delivery Units:13,490
Multi Family Delivery Units:2,989
# Residential Mailboxes:20,565
# Business Mailboxes:850
Total Delivery Receptacles:21,352

ZIP Code 63303 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 8,935 9,210 +275
Retired Workers: 6,755 7,015 +260
Disabled Workers: 920 905 -15
Widow(er)s and Parents: 550 560 +10
Spouses: 305 320 +15
Children: 405 410 +5
65+: 7,165 7,445 +280
Monthly Benefits - All: $13,845,000 $14,683,000 +$838,000
Monthly Benefits - Retired Workers: $11,035,000 $11,805,000 +$770,000
Monthly Benefits - Widow(ers): $863,000 $912,000 +$49,000

ZIP Code 63303 Statistical Areas

CBSA: 41180
CBSA Name: St. Louis, MO-IL
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:2,812,896
CBSA Division Population:0
MSA: 7040
MSA Name: St. Louis, MO-IL MSA
PMSA Name: 
City State Key:W17756
Preferred Last Line Key:W17756
63302: Previous ZIP Code
Next ZIP Code: 63304


  1. U.S. Postal Service [Last Updated: 3/1/2023],
  2. Internal Data Creation [Last Updated: 3/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 3/1/2023],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],