Dardenne Prairie vs O'Fallon

A side-by-side comparison of Dardenne Prairie and O'Fallon: population, income, housing, and more.

Dardenne Prairie and O'Fallon are places in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

O'Fallon has the higher population (92,697 vs 13,137 in Dardenne Prairie). Dardenne Prairie has the higher median household income ($155,585 vs $107,203 in O'Fallon). Dardenne Prairie has the higher median home value ($392,300 vs $305,100 in O'Fallon).

Population, income & housing

	Dardenne Prairie	O'Fallon
Population	13,137	92,697
Median age	42.7 yrs	38.2 yrs
Median household income	$155,585	$107,203
Median home value	$392,300	$305,100
Median gross rent	$1,359	$1,400
Housing units	4,553	35,553
Homeownership rate	93.3%	80.2%
Bachelor's degree or higher	52.5%	42.4%
Unemployment rate	2.0%	2.7%

Trends (ACS 5-year, 2019–2023)

	Dardenne Prairie	O'Fallon
Population	13,293 → 13,137 (-1.2%)	87,242 → 92,697 (+6.3%)
Median household income	$132,192 → $155,585 (+17.7%)	$90,025 → $107,203 (+19.1%)
Median home value	$301,500 → $392,300 (+30.1%)	$226,300 → $305,100 (+34.8%)
Median gross rent	$1,174 → $1,359 (+15.8%)	$1,103 → $1,400 (+26.9%)

Dardenne Prairie

Population

13,29313,137

Median household income

$132,192$155,585

Median home value

$301,500$392,300

Median gross rent

$1,174$1,359

O'Fallon

Population

87,24292,697

Median household income

$90,025$107,203

Median home value

$226,300$305,100

Median gross rent

$1,103$1,400

Age & race/ethnicity

Age distribution (share)

	Dardenne Prairie	O'Fallon
Under 5	4.9%	6.3%
5 to 17	21.3%	18.2%
18 to 24	6.7%	7.1%
25 to 34	7.8%	13.7%
35 to 44	13.1%	13.9%
45 to 54	15.9%	14.5%
55 to 64	16.2%	12.3%
65 to 74	8.2%	8.4%
75 and over	5.8%	5.5%

Race & ethnicity (share)

	Dardenne Prairie	O'Fallon
White (non-Hispanic)	88.4%	81.4%
Black or African American	2.5%	5.0%
American Indian & Alaska Native	0.0%	0.1%
Asian	3.9%	4.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.5%
Two or more races	2.8%	3.8%
Hispanic or Latino	2.4%	5.1%

Educational attainment (age 25+)

Share of adults 25+

	Dardenne Prairie	O'Fallon
No high school diploma	2.0%	4.5%
High school graduate	18.4%	23.0%
Some college or associate's	27.1%	30.1%
Bachelor's degree	32.1%	27.5%
Graduate or professional degree	20.4%	14.9%

Commute to work

How workers get to work (share)

	Dardenne Prairie	O'Fallon
Drove alone	74.5%	77.7%
Carpooled	5.5%	4.5%
Public transit	0.0%	0.1%
Walked	0.5%	0.6%
Bicycle	0.0%	0.0%
Worked from home	18.0%	15.7%
Other means	1.5%	1.5%

Housing

Units in structure (share)

	Dardenne Prairie	O'Fallon
1-unit, detached	86.1%	74.5%
1-unit, attached	9.8%	9.2%
2 to 4 units	2.9%	2.4%
5 to 19 units	0.0%	5.7%
20 or more units	1.1%	5.0%
Mobile home & other	0.0%	3.3%

Poverty & households

	Dardenne Prairie	O'Fallon
Poverty rate	1.3%	4.7%
Average household size	2.92	2.66
Mean commute (minutes)	25	26
Median year structure built	2004	2000