Ballwin, MO 63021 ZIP Code Profile


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ZIP Code 63021: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Ballwin, MO 63021

Acceptable Alternative
Ellisville, MO 63021
Manchester, MO 63021
Wildwood, MO 63021

Not Acceptable, USPS
Sherman, MO 63021
Twin Oaks, MO 63021
Winchester, MO 63021

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 444
  • Single Family Addresses: 20,264
  • Multi-Family Addresses: 2,055
  • County: St. Louis County
  • Centroid: Latitude 38.577, Longitude -90.529
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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63021 ZIP Code Map

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Ballwin, MO 63021 Data & Demographics (As of July 1, 2016)


Total Population 56,690
Population in Households 56,229
Population in Familes 48,088
Population in Group Qrtrs 461
Population Density1 2,540
Diversity Index2 32


Total Households 21,846
Average Household Size 2.57
Family Households 15,625
Average Family Size 3


Total Housing Units 22,638 (100%)
Owner Occupied HU 17,535 (77.5%)
Renter Occupied HU 4,311 (19.0%)
Vacant Housing Units 792 ( 3.5%)
Median Home Value $243,967
Average Home Value $282,849


Median Household Income $83,374
Average Household Income $107,466
Per Capita Income $41,580
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.13% 0.14%
Households 0.14% 0.14%
Families -0.01% 0.05%
Median Household Income   2.33%
Per Capita Income   1.67%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Ballwin, MO 63021 - Peer Comparisons by Rank and Percentile

The table below compares 63021 to the other 1,011 ZIP Codes in Missouri by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 4 100th
Population Density1 # 62 94th
Diversity Index2 # 143 86th
Median Household Income # 27 97th
Per Capita Income # 27 97th

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

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