OFallon Station, MO Profile: Facts & Data


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OFallon Station, Missouri - Basic Facts

The City of O'Fallon is the 7th largest city in Missouri with a population of 91,145 as of July 1, 2018. OFallon Station ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Missouri. See peer rankings below.

The primary coordinate point for OFallon Station is located at latitude 38.7835 and longitude -90.7153 in St. Charles County. The formal boundaries for the City of O'Fallon (see map below) encompass a land area of 29.64 sq. miles and a water area of 0 sq. miles. St. Charles County is in the Central time zone (GMT -6). The elevation is 541 feet.

The City of O'Fallon (GNIS ID: 2395303) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of O'Fallon is located within Township of Weldon Spring, a minor civil division (MCD) of St. Charles County.

Alternate Unofficial Names for OFallon Station: O'Fallon Station.

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  1. OFallon Station 2018 Demographic Data
  2. Growth Rates for OFallon Station (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Missouri Research Tools (Easy Tools & Current Data)
  3. Missouri Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


OFallon Station, MO Data & Demographics (As of July 1, 2018)


Total Population 91,145
Population in Households 90,895
Population in Familes 78,865
Population in Group Qrtrs 250
Population Density2 3,075
Diversity Index3 27


Median Household Income $82,489
Average Household Income $100,069
Per Capita Income $35,933


Total Housing Units 33,515 (100%)
Owner Occupied HU 27,642 (82.5%)
Renter Occupied HU 4,988 (14.9%)
Vacant Housing Units 885 ( 2.6%)
Median Home Value $224,019
Average Home Value $241,219


Total Households 32,630
Average Household Size 2.79
Family Households 24,611
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 1.67% 1.67%
Households 1.74% 1.72%
Families 1.66% 1.62%
Median Household Income   2.43%
Per Capita Income   2.99%

OFallon Station, MO - Peer Comparisons by Rank and Percentile

The table below compares OFallon Station to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2018 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 # 7 99th
Population Density # 66 94th
Diversity Index # 183 82nd
Median Household Income # 53 95th
Per Capita Income # 88 92nd

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

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