O Fallon, MO 63368 ZIP Code Profile

Related Place Profiles:
Dardenne, MO | Dardenne Prairie, MO

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ZIP Code 63368: Basic Data & USPS Preferred City Name

Preferred Name, USPS
O Fallon, MO 63368

Acceptable Alternative
Dardenne Pr, MO 63368
Dardenne Prairie, MO 63368

Not Acceptable, USPS
Dardenne, MO 63368
Ofallon, MO 63368

  • ZIP Code Type: STANDARD
  • County: Saint Charles County
  • Centroid: Latitude 38.757, Longitude -90.725
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 665
  • PO Box Addresses: 0
  • Residential Addresses: 16,267
    • Multi-Family Addresses: 1,958
    • Single Family Addresses: 14,309

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


63368 ZIP Code Map

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O Fallon, MO 63368 Data & Demographics (As of July 1, 2017)


Total Population 46,353
Daytime Population: Workers 13,050
Daytime Population: Residents 23,426
Total Daytime Population (TDP) 36,476
Ratio TDP/Total Population1 0.79
Population in Households 46,180
Population in Familes 41,223
Population in Group Qrtrs 173
Population Density2 2,925
Diversity Index3 28


Median Household Income $93,692
Average Household Income $110,643
Per Capita Income $38,130


Total Housing Units 16,439 (100%)
Owner Occupied HU 13,112 (79.8%)
Renter Occupied HU 2,830 (17.2%)
Vacant Housing Units 497 ( 3.0%)
Median Home Value $242,631
Average Home Value $259,386


Total Households 15,942
Average Household Size 2.9
Family Households 12,502
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 1.26% 1.56%
Households 1.35% 1.62%
Families 1.21% 1.5%
Median Household Income   1.74%
Per Capita Income   2.64%

O Fallon, MO 63368 - Peer Comparisons by Rank and Percentile

The table below compares 63368 to the other 1,012 ZIP Codes in Missouri by rank and percentile using July 1, 2017 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 # 14 99th
Population Density # 52 95th
Diversity Index # 186 82nd
Median Household Income # 16 99th
Per Capita Income # 53 95th

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

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