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CITY

O'Fallon

Missouri · 96,101 residents (2025 est.) · 30.525 sq mi
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The short version

O'Fallon is significantly wealthier than the US average, with a median household income of $110,443. The city has more than doubled in size since 2000, adding 47,632 residents. Median home value has more than doubled since 2000, reaching $326,200. Poverty is rare here, at 5.4% of residents. It ranks in the top 5% of US cities for household income. Households here earn about 56% more than the Missouri median.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 38.4
US median: 38.9
More educated
43% hold a bachelor's degree
US average: 36%
Less affordable
home values up 35%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
93,801
+103%since 2000
from 46,169 in 2000
1990 – 2025
Population density
3,073 / sq mi
+25%since 2009
from 2,449 / sq mi in 2009
US average: 281
Median age
38.4
+23%since 2000
from 31.1 in 2000
US average: 38.9

PEP 2025 EST:96,101 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
11K34K56K79K101K1990201020202024O'Fallon
202494K
1990201020202024
Age distribution, 2024
Under 56.1%(5,758)
US avg: 5.6%
5 to 96.5%(6,104)
US avg: 6%
10 to 146.8%(6,353)
US avg: 6.4%
15 to 196.9%(6,464)
US avg: 6.6%
20 to 244.8%(4,486)
US avg: 6.5%
25 to 3413.8%(12,933)
US avg: 13.7%
35 to 4414.3%(13,436)
US avg: 13.2%
45 to 5414.2%(13,296)
US avg: 12.2%
55 to 6412.2%(11,402)
US avg: 12.7%
65 to 748.7%(8,181)
US avg: 10.2%
75 to 844.1%(3,882)
US avg: 5.1%
85 and over1.6%(1,506)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$110,443
+1%inflation adjusted, since 2000
from $60,179 in 2000
US average: $82,259
1990 – 2024
Per capita income
$49,304
+126%since 2000
from $21,774 in 2000
US average: $44,673
Households earning $100K+
68.3%
+16.9 ptssince 2009
from 51.4% in 2009
US average: 53.3%
Poverty rate
5.4%
+2.1 ptssince 2000
from 3.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.380
+13%since 2010
from 0.337 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade11.8%
US avg: 9.9%
Other services11.4%
US avg: 6.7%
Information11.2%
US avg: 10.8%
Public administration9.6%
US avg: 4.8%
Wholesale trade7.2%
US avg: 6.9%
Finance & insurance4.3%
US avg: 5.9%
Professional, scientific, technical3.6%
US avg: 5.1%
Transportation & warehousing2.5%
US avg: 2.2%
Arts, entertainment, food1.7%
US avg: 1.9%
Agriculture, forestry, fishing0.8%
US avg: 1.6%
Education & health services0.7%
US avg: 0.9%
Construction0.5%
US avg: 1.2%
Manufacturing0.3%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$326,200
+35%inflation adjusted, since 2000
from $132,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,443
+29%inflation adjusted, since 2000
from $615 in 2000
US average: $1,442
Owner-occupied
81.0%
−8.5 ptssince 2000
from 89.5% in 2000
19.0% rent
Vacancy rate
2.0%
−2.5 ptssince 2009
from 4.6% in 2009
US average: 10.0%
Owner cost-burdened
16.2%
−8.1 ptssince 2009
from 24.3% in 2009
US average: 22.9%
Renter cost-burdened
39.8%
+3.0 ptssince 2009
from 36.7% in 2009
US average: 47.4%
Afford Score
3.0
+12%since 2009
from 2.6 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
47
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in O'Fallon on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic94.4%(43,576)
Black2.2%(1,029)
Hispanic / Latino1.5%(671)
Asian0.7%(340)
Other0%
2024
White, non-Hispanic79.5%(74,564)
Black5.2%(4,908)
Hispanic / Latino5.5%(5,200)
Asian4.8%(4,526)
Other4.9%(4,603)
Diversity Score
45
+85%since 2009
from 24 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican2.9%(2,759)
Colombian0.5%(467)
Guatemalan0.2%(224)
Peruvian0.2%(202)
Honduran0.2%(193)
Puerto Rican0.1%(137)
Argentine0.1%(96)
Cuban0.1%(87)
Panamanian0.1%(75)
Ecuadorian0.1%(71)
+ 5 more hispanic origin groups with data
Venezuelan0.1%(47)
Spaniard0%(45)
Dominican0%(31)
Bolivian0%(25)
Asian origin
Asian Indian2.4%(2,285)
Vietnamese1%(910)
Chinese0.5%(477)
Filipino0.3%(252)
Pakistani0.2%(223)
Korean0.2%(161)
Thai0.1%(99)
Bangladeshi0.1%(71)
Nepalese0%(17)
Hmong0%(15)
Pacific Islander origin
Samoan0.1%(86)
Ancestry
German28.4%(26,662)
Irish15.4%(14,432)
English11.5%(10,808)
Italian6.9%(6,466)
American5.3%(4,999)
Polish3.4%(3,185)
French3.2%(2,988)
Scottish2.3%(2,153)
Dutch1%(982)
Swedish0.7%(620)
Scotch-Irish0.7%(616)
Arab0.6%(567)
+ 39 more ancestry groups with data
Norwegian0.5%(503)
Croatian0.4%(371)
British0.3%(313)
Russian0.3%(297)
Welsh0.3%(288)
Palestinian0.3%(273)
Lebanese0.3%(264)
Greek0.2%(225)
Swiss0.2%(188)
Czech0.2%(168)
Hungarian0.2%(161)
Austrian0.2%(153)
West Indian0.2%(152)
Jamaican0.2%(146)
Ukrainian0.2%(144)
Danish0.1%(132)
Brazilian0.1%(128)
Finnish0.1%(128)
Nigerian0.1%(109)
Portuguese0.1%(88)
Slovak0.1%(74)
Iranian0.1%(62)
Belgian0.1%(56)
Turkish0.1%(54)
Bulgarian0%(46)
Serbian0%(43)
Canadian0%(42)
Romanian0%(41)
Latvian0%(19)
Ghanaian0%(18)
Slovene0%(17)
Armenian0%(12)
Somali0%(12)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Italian population · Largest American population
Section 05

Education

Bachelor's degree or higher
43.3%
+16.1 ptssince 2000
from 27.2% in 2000
US average: 35.6%
High school or higher
95.4%
+5.0 ptssince 2000
from 90.4% in 2000
US average: 89.6%
Graduate degree
15.6%
+8.6 ptssince 2000
from 7.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
25.5 min
+30%since 2000
from 19.6 min in 2000
US average: 26.5
Drive alone to work
75.2%
−13.1 ptssince 2009
from 88.3% in 2009
US average: 68.9%
Carpooled to work
4.3%
−2.8 ptssince 2009
from 7.1% in 2009
US average: 8.5%
Public transit
0.1%
−0.1 ptssince 2009
from 0.1% in 2009
US average: 3.2%
Worked from home
18.1%
+14.6 ptssince 2009
from 3.5% in 2009
US average: 15.0%
Walked to work
0.8%
+0.6 ptssince 2009
from 0.3% in 2009
US average: 2.4%
Biked to work
0.0%
−0.1 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
4.7%
+3.0 ptssince 2009
from 1.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.7%
−2.8 ptssince 2011
from 5.4% in 2011
US average: 5.2%
Labor force participation
73.1%
−4.2 ptssince 2011
from 77.3% in 2011
US average: 63.5%
Self-employed
10.5%
Unchangedsince 2009
from 10.5% in 2009
US average: 13.1%
Management & professional
50.5%
−17.6 ptssince 2009
from 68.1% in 2009
US average: 42.5%
Section 08

People & community

Male
48.8%
−0.2 ptssince 2009
from 49.0% in 2009
Female
51.2%
+0.2 ptssince 2009
from 51.0% in 2009
Foreign born
6.3%
+2.7 ptssince 2009
from 3.6% in 2009
US average: 14.1%
Veterans
6.0%
−42.1 ptssince 2009
from 48.1% in 2009
US average: 6.2%
With a disability
10.6%
+2.0 ptssince 2012
from 8.6% in 2012
US average: 13.3%
Uninsured
3.9%
−89.7 ptssince 2013
from 93.6% in 2013
US average: 8.4%
Broadband at home
94.9%
+5.7 ptssince 2017
from 89.2% in 2017
US average: 91.0%
English only at home
92.1%
−1.2 ptssince 2016
from 93.3% in 2016
US average: 77.7%
Spanish at home
2.5%
+0.4 ptssince 2016
from 2.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married29.1%(10,595)
Married60.2%(21,937)
Widowed1.9%(683)
Divorced8.9%(3,232)
Women 15+
Never married25%(9,791)
Married54.4%(21,297)
Widowed7.5%(2,954)
Divorced13%(5,097)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare O'Fallon to nearby cities

O'FALLON VS
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Home value$432,000+32%
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SEE FULL COMPARISON →
O'FALLON VS
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O'FALLON VS
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Income$91,637−17%
Home value$269,900−17%
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O'FALLON VS
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Home value$331,300+2%
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SEE FULL COMPARISON →
Frequently asked

How many people live in O'Fallon, Missouri?

O'Fallon, Missouri has about 93,801 residents according to the 2024 American Community Survey.

What is the median household income in O'Fallon, Missouri?

The typical household in O'Fallon, Missouri earns about $110,443 a year. Half of households make more than that, and half make less.

Is O'Fallon, Missouri expensive?

In O'Fallon, Missouri, the median home is worth about $326,200, and the typical rent is about $1,443 a month.

How educated are people in O'Fallon, Missouri?

About 43.3% of adults age 25 and over in O'Fallon, Missouri hold a bachelor's degree or higher.

What is the poverty rate in O'Fallon, Missouri?

About 5.4% of people in O'Fallon, Missouri live below the federal poverty line.

Has O'Fallon, Missouri grown since 1990?

Yes, O'Fallon, Missouri has grown since 1990. The population has added about 75,103 residents, a change of about 402 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →