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CITY · 2010 ACS

O'Fallon

Missouri · 79,329 residents · 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 $76,839. The city has grown rapidly, with population up 72% since 2000. Median home value has risen by half since 2000, reaching $206,700. Poverty is rare here, at 3.5% of residents. Households here earn about 66% more than the Missouri median.

At a glance
Wealthier
above the US median
US median: $52,703
Younger
median age 34.3
US median: 37.2
More educated
38% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

79,329
+72%since 2000
from 46,169 in 2000
1990 – 2025
2,599 / sq mi
+72%since 2000
from 1,512 / sq mi in 2000
US average: 261
34.3
+10%since 2000
from 31.1 in 2000
US average: 37.2
Population, 19902024
11K34K56K79K101K1990201020202024O'Fallon
202494K
1990201020202024
Section 02

Income & economy

$76,839
+1%inflation adjusted, since 2000
from $60,179 in 2000
US average: $52,703
1990 – 2024
$29,778
+37%since 2000
from $21,774 in 2000
US average: $27,286
Households earning $100K+
51.6%
+0.1 ptssince 2009
from 51.4% in 2009
US average: 33.3%
3.5%
+0.1 ptssince 2000
from 3.3% in 2000
US average: 13.8%
0.337
US average: 0.461
Workforce by industry, 2010
Information13.5%
US avg: 11.5%
Retail trade12.6%
US avg: 10.9%
Other services11.4%
US avg: 7%
Public administration9.6%
US avg: 4.9%
Wholesale trade6%
US avg: 7.2%
Transportation & warehousing4.2%
US avg: 3.1%
Finance & insurance3.9%
US avg: 5.1%
Professional, scientific, technical3.1%
US avg: 4.2%
Arts, entertainment, food2.5%
US avg: 2.4%
Education & health services0.8%
US avg: 0.9%
Agriculture, forestry, fishing0.3%
US avg: 1.9%
Construction0.3%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$206,700
+23%inflation adjusted, since 2000
from $132,800 in 2000
US average: $225,659
1990 – 2024
$876
+12%inflation adjusted, since 2000
from $615 in 2000
US average: $853
72.0%
−17.6 ptssince 2000
from 89.5% in 2000
17.2% rent
4.2%
−0.4 ptssince 2009
from 4.6% in 2009
US average: 12.1%
24.3%
Unchangedsince 2009
from 24.3% in 2009
US average: 30.9%
39.4%
+2.7 ptssince 2009
from 36.7% in 2009
US average: 46.8%
2.7
+22%since 2000
from 2.2 in 2000
1990 – 2024
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%
Diversity Score10.8%(5,001)
2010
White, non-Hispanic88.2%(69,979)
Black4%(3,135)
Hispanic / Latino2.7%(2,159)
Asian3.1%(2,485)
Other1.2%(991)
Diversity Score25.9%(20,510)
26
+139%since 2000
from 11 in 2000
1990 – 2024
Section 05

Education

37.8%
+10.6 ptssince 2000
from 27.2% in 2000
US average: 27.9%
High school or higher
93.7%
+3.2 ptssince 2000
from 90.4% in 2000
US average: 84.9%
11.2%
+4.2 ptssince 2000
from 7.0% in 2000
US average: 10.2%
Section 06

Commute & transportation

25.8 min
+31%since 2000
from 19.6 min in 2000
US average: 25.2
89.1%
+0.8 ptssince 2009
from 88.3% in 2009
US average: 76.2%
6.7%
−0.4 ptssince 2009
from 7.1% in 2009
US average: 10.4%
0.2%
+0.1 ptssince 2009
from 0.1% in 2009
US average: 4.7%
3.2%
−0.4 ptssince 2009
from 3.5% in 2009
US average: 4.1%
0.4%
+0.1 ptssince 2009
from 0.3% in 2009
US average: 2.8%
0.1%
Unchangedsince 2009
from 0.1% in 2009
US average: 0.5%
2.0%
+0.3 ptssince 2009
from 1.7% in 2009
US average: 8.7%
Section 07

Work & employment

10.7%
+0.2 ptssince 2009
from 10.5% in 2009
US average: 12.9%
42.2%
−26.0 ptssince 2009
from 68.1% in 2009
US average: 35.2%
Section 08

People & community

48.7%
−0.4 ptssince 2009
from 49.0% in 2009
51.3%
+0.4 ptssince 2009
from 51.0% in 2009
3.8%
+0.2 ptssince 2009
from 3.6% in 2009
US average: 12.8%
9.2%
−38.9 ptssince 2009
from 48.1% in 2009
US average: 9.9%
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Frequently asked

How many people live in O'Fallon, Missouri?

O'Fallon, Missouri has about 79,329 residents according to the 2010 American Community Survey.

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

The typical household in O'Fallon, Missouri earns about $76,839 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 $206,700, and the typical rent is about $876 a month.

How educated are people in O'Fallon, Missouri?

About 37.8% 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 3.5% 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 60,631 residents, a change of about 324 percent over that period.

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

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