O'Fallon, MO
Demographics And Statistics

We take you around O'Fallon to find out what it's like to call it home.

Living in O'Fallon, Missouri

Life in O'Fallon research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in O'Fallon over the past nine years using Census, FBI, Zillow, and other primary data sources. Here's a snapshot of O'Fallon based on the most recently available data.

93,801 Population
$376,395 Median home value
$110,443 Median income
105 Cost of living +5% vs US
$1,443 Median rent
2.7% Unemployment
Not sure O'Fallon fits? Try our place-match quiz → Planning a move? Find movers to O'Fallon, MO Get matched →

O'fallon SnackAbility

9
Overall SnackAbility
Jobs 8.5/10
Housing 8.5/10
Affordability 8.5/10
Diversity 6/10
Safety 8/10
Amenities 9/10
Education 8.5/10
Commute 6/10

Crime in O'Fallon summary. We use data from the FBI to determine the crime rates in O'Fallon. Key points include:

  • There were 511 total crimes in O'Fallon in the last reporting year.

  • The overall crime rate per 100,000 people in O'Fallon is 538.4 / 100k people.

  • The violent crime rate per 100,000 people in O'Fallon is 59.0 / 100k people.

  • The property crime rate per 100,000 people in O'Fallon is 479.4 / 100k people.

  • Overall, crime in O'Fallon is -74.59% below the national average.

511
Total Crimes
-74.59%
Below National Average
O'Fallon
US

Crime In O'Fallon Comparison Table

Statistic Count
Raw
O'Fallon
/ 100k People
Missouri
/ 100k People
National
/ 100k People
Total Crimes Per 100K 511 538.4 2,403.3 2,119.2
Violent Crime 56 59.0 462.0 359.0
Murder 0 0.0 7.8 5.0
Robbery 1 1.1 51.5 61.0
Aggravated Assault 38 40.0 357.5 256.0
Property Crime 455 479.4 1,941.2 1,760.0
Burglary 29 30.6 236.3 229.0
Larceny 392 413.0 1,306.5 1,272.0
Car Theft 34 35.8 398.4 259.0
Worried about safety? Compare home security systems in O'Fallon Get matched →

Source: FBI Uniform Crime Reporting (2024)

Cost of living in O'Fallon summary. We use data on the cost of living to determine how expensive it is to live in O'Fallon. Real estate prices drive most of the variance in cost of living around Missouri. Key points include:

  • The cost of living in O'Fallon is 105 with 100 being average.

  • The cost of living in O'Fallon is 1.1x higher than the national average.

  • The median home value in O'Fallon is $376,395.

  • The median income in O'Fallon is $110,443.

105
O'fallon's Overall Cost Of Living
1.1x
Higher Than The National Average
O'Fallon
US

Cost Of Living In O'Fallon Comparison Table

Living Expense O'Fallon Missouri National Average
Overall 105 90 100
Services 93 97 100
Groceries 97 98 100
Health 127 76 100
Housing 95 95 100
Transportation 93 94 100
Utilities 96 96 100
Protect your home budget Compare home warranties in O'Fallon Get matched →

Source: Cost of living index, normalized to US average = 100

O'fallon, MO Weather

  • The average high in O'Fallon is 65.8° and the average low is 45.1°.

  • There are 69.0 days of precipitation each year.

  • Expect an average of 42.3 inches of precipitation each year with 13.4 inches of snow.

StatO'Fallon
Average Annual High65.8
Average Annual Low45.1
Annual Precipitation Days69.0
Average Annual Precipitation42.3
Average Annual Snowfall13.4
65.8°
Average High
69.0
Days of Rain

Source: NOAA climate normals (30-year)

O'fallon, MO Photos

Greaterstl
Source: Wikipedia
Source: Flickr User f2n_downtown | CC BY-ND 2.0

Rankings & Articles For O'Fallon

Locations Around O'Fallon

Map Of O'Fallon, MO

Best Places Around O'Fallon

1

Wildwood, MO
Population 35,133

$576,009+53% vs O'Fallon
2

Ballwin, MO
Population 31,279

$412,224+10% vs O'Fallon
3

Chesterfield, MO
Population 49,574

$570,324+52% vs O'Fallon
4

Dardenne Prairie, MO
Population 13,503

$469,902+25% vs O'Fallon
5

Town and Country, MO
Population 11,607

$1,146,741+205% vs O'Fallon
6

Weldon Spring, MO
Population 5,310

$629,190+67% vs O'Fallon
7

Manchester, MO
Population 18,160

$374,848
8

Lake St. Louis, MO
Population 18,066

$431,421+15% vs O'Fallon
9

Creve Coeur, MO
Population 18,643

$614,771+63% vs O'Fallon
10

Des Peres, MO
Population 9,170

$693,376+84% vs O'Fallon

O'Fallon Demographics And Statistics

Population over time in O'Fallon

The current population in O'Fallon is 93,801. The population has increased 25.4% from 2010.

Year Population % Change
2024 93,801 1.2%
2023 92,697 0.9%
2022 91,825 1.1%
2021 90,802 3.0%
2020 88,132 1.0%
2019 87,242 1.0%
2018 86,340 1.3%
2017 85,246 1.5%
2016 84,018 1.2%
2015 83,053 1.3%
2014 81,978 1.7%
2013 80,617 2.0%
2012 79,073 2.6%
2011 77,036 3.0%
2010 74,777 -

Race / Ethnicity in O'Fallon

White 79.5% (74,564)
African American 5.2% (4,908)
American Indian 0.1% (52)
Asian 4.8% (4,526)
Hawaiian 0.0% (14)
Other 0.5% (497)
Two Or More 4.3% (4,040)
Hispanic 5.5% (5,200)
See the full breakdown

O'Fallon is:

  • 79.5% White with 74,564 White residents.

  • 5.2% African American with 4,908 African American residents.

  • 0.1% American Indian with 52 American Indian residents.

  • 4.8% Asian with 4,526 Asian residents.

  • 0.0% Hawaiian with 14 Hawaiian residents.

  • 0.5% Other with 497 Other residents.

  • 4.3% Two Or More with 4,040 Two Or More residents.

  • 5.5% Hispanic with 5,200 Hispanic residents.

Race O'Fallon MO USA
White 79.5% 76.3% 57.4%
African American 5.2% 10.9% 11.9%
American Indian 0.1% 0.2% 0.5%
Asian 4.8% 2.1% 5.9%
Hawaiian 0.0% 0.1% 0.2%
Other 0.5% 0.4% 0.6%
Two Or More 4.3% 4.8% 4.3%
Hispanic 5.5% 5.2% 19.3%

Gender in O'Fallon

Female 51.2% (48,041)
Male 48.8% (45,759)
See the full breakdown
  • O'Fallon is 51.2% female with 48,041 female residents.

  • O'Fallon is 48.8% male with 45,759 male residents.

Gender O'Fallon MO USA
Female 51.2% 50.7% 50.5%
Male 48.8% 49.3% 49.5%

Highest level of educational attainment in O'Fallon for adults over 25

< 9th Grade 2.0% (1,876)
9-12th Grade 3.0% (2,814)
High School / GED 23.0% (21,574)
Some College 20.0% (18,760)
Associate's Degree 9.0% (8,442)
Bachelor's Degree 28.0% (26,264)
Master's Degree 13.0% (12,194)
Professional Degree 1.0% (938)
Doctorate Degree 1.0% (938)
See the full breakdown
  • 2.0% of adults in O'Fallon completed < 9th grade.

  • 3.0% of adults in O'Fallon completed 9-12th grade.

  • 23.0% of adults in O'Fallon completed high school / ged.

  • 20.0% of adults in O'Fallon completed some college.

  • 9.0% of adults in O'Fallon completed associate's degree.

  • 28.0% of adults in O'Fallon completed bachelor's degree.

  • 13.0% of adults in O'Fallon completed master's degree.

  • 1.0% of adults in O'Fallon completed professional degree.

  • 1.0% of adults in O'Fallon completed doctorate degree.

Education O'Fallon MO USA
< 9th Grade 2.0% 4.0% 4.0%
9-12th Grade 3.0% 5.0% 6.0%
High School / GED 23.0% 30.0% 26.0%
Some College 20.0% 21.0% 19.0%
Associate's Degree 9.0% 8.0% 9.0%
Bachelor's Degree 28.0% 20.0% 22.0%
Master's Degree 13.0% 9.0% 10.0%
Professional Degree 1.0% 2.0% 2.0%
Doctorate Degree 1.0% 1.0% 2.0%

Household Income For O'Fallon, Missouri

Less than $10,000 2.7% (254,659)
$10,000 to $14,999 2.0% (186,433)
$15,000 to $24,999 2.8% (259,419)
$25,000 to $34,999 3.2% (304,110)
$35,000 to $49,999 8.1% (757,103)
$50,000 to $74,999 12.9% (1,207,187)
$75,000 to $99,999 11.7% (1,095,327)
$100,000 to $149,999 24.7% (2,316,531)
$150,000 to $199,999 16.3% (1,528,487)
$200,000 or more 15.7% (1,470,838)
See the full breakdown
  • 2.7% of households in O'Fallon earn Less than $10,000.

  • 2.0% of households in O'Fallon earn $10,000 to $14,999.

  • 2.8% of households in O'Fallon earn $15,000 to $24,999.

  • 3.2% of households in O'Fallon earn $25,000 to $34,999.

  • 8.1% of households in O'Fallon earn $35,000 to $49,999.

  • 12.9% of households in O'Fallon earn $50,000 to $74,999.

  • 11.7% of households in O'Fallon earn $75,000 to $99,999.

  • 24.7% of households in O'Fallon earn $100,000 to $149,999.

  • 16.3% of households in O'Fallon earn $150,000 to $199,999.

  • 15.7% of households in O'Fallon earn $200,000 or more.

Income O'Fallon MO USA
Less than $10,000 2.7% 4.9% 5.0%
$10,000 to $14,999 2.0% 3.8% 3.4%
$15,000 to $24,999 2.8% 7.1% 6.3%
$25,000 to $34,999 3.2% 7.8% 6.6%
$35,000 to $49,999 8.1% 11.9% 10.1%
$50,000 to $74,999 12.9% 17.4% 15.5%
$75,000 to $99,999 11.7% 13.2% 12.6%
$100,000 to $149,999 24.7% 17.1% 17.5%
$150,000 to $199,999 16.3% 8.2% 9.6%
$200,000 or more 15.7% 8.7% 13.4%

Source: U.S. Census ACS 5-year estimates (2024)