KS
Lawrence, KS
Population, housing, work, and travel data for this Census place.
- Population
- 96,367
- Median home
- $292,700
Missouri / Census place 2954074
O'Fallon
A Census profile of the people, homes, and daily patterns that shape this place.
Official Census name: O'Fallon cityAt a glance
A city in numbers.
- Population
- 96,101 2025 estimate
- Annual change
- +1% Population estimate
- Density
- 3,101/sq mi 31 sq mi land area
- Median age
- 38.4 years ACS 5-year estimate
Living here
The everyday equation.
Households, homes, education, and the time it takes to get around.
- Median household income
- $110,443
- Median home value
- $326,200
- Median gross rent
- $1,443
- Bachelor’s degree or higher
- 43.3%
- Typical commute
- 25.5 min
- Public transit commute
- 0.1%
Climate normals
The long view of weather.
Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.
Representative station: ST LOUIS SPIRIT OF ST LOUIS AP (10 mi from place center)- Average high
- 67.1°F
- Average low
- 45.1°F
- Annual rainfall
- 39.8"
- Annual snowfall
- 0"
Month by month
A year in O'Fallon.
JFMAMJJASOND
Data vintage
Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.
Population estimatesACS profileTIGERweb boundaryNOAA climate normals
Similar places
More places to consider.
Selected by the closest mix of population, density, median home value, and average annual high.
WA
Kennewick, WA
Population, housing, work, and travel data for this Census place.
- Population
- 88,366
- Median home
- $370,700
WA
Yakima, WA
Population, housing, work, and travel data for this Census place.
- Population
- 97,458
- Median home
- $297,600
Keep exploring
Compare O'Fallon with Lawrence →