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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 63021, Ballwin, MO

ZIP Code 63021 Details

Zip Code:63021
State:MO [Missouri]
Multi County:No
City Alias(es):Ballwin
City Alias(es) To Avoid Using:Sherman
Twin Oaks
Area Code:636
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:561 ft
State FIPS:29
County FIPS:189
Division:West North Central
Intro Date:<2004-10

ZIP Code 63021 2010 Census Demographics

Current Population:58,295
2010 Population:56,261
Households per ZIP Code:21,684
Average House Value:$274,800
Avg. Income Per Household:$98,804
Persons Per Household:2.58
White Population:50,181
Black Population:1,701
Hispanic Population:1,703
Asian Population:4,481
American Indian Population:288
Hawaiian Population:55
Other Population:664
Male Population:27,171
Female Population:29,090
Median Age:39.30 years
Male Median Age:38.10 years
Female Median Age:40.50 years

ZIP Code 63021 Other Demographics

# Residential Mailboxes:22,595
# Business Mailboxes:403
Total Delivery Receptacles:23,455
Number of Businesses:735
1st Quarter Payroll:$63,954,000
Annual Payroll:$267,137,000
# of Employees:6,121
Water Area:0.162 sq mi
Land Area:21.823 sq mi
118th Congressional District:02
118th Congressional Land Area:465.76 sq mi
Single Family Delivery Units:18,752
Multi Family Delivery Units:1,984
# Residential Mailboxes:22,595
# Business Mailboxes:403
Total Delivery Receptacles:23,455

ZIP Code 63021 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 9,960 10,210 +250
Retired Workers: 7,735 8,055 +320
Disabled Workers: 745 730 -15
Widow(er)s and Parents: 545 550 +5
Spouses: 405 435 +30
Children: 530 440 -90
65+: 8,280 8,630 +350
Monthly Benefits - All: $15,796,000 $16,840,000 +$1,044,000
Monthly Benefits - Retired Workers: $12,973,000 $13,985,000 +$1,012,000
Monthly Benefits - Widow(ers): $891,000 $937,000 +$46,000

ZIP Code 63021 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:W15781
Preferred Last Line Key:W15781
63020: Previous ZIP Code
Next ZIP Code: 63022


  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],