Coulterville vs Prairie du Rocher

A side-by-side comparison of Coulterville and Prairie du Rocher: population, income, housing, and more.

Coulterville and Prairie du Rocher are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Coulterville has the higher population (770 vs 432 in Prairie du Rocher). Prairie du Rocher has the higher median household income ($60,313 vs $57,813 in Coulterville). Prairie du Rocher has the higher median home value ($85,400 vs $76,100 in Coulterville).

Population, income & housing

	Coulterville	Prairie du Rocher
Population	770	432
Median age	48.8 yrs	36.4 yrs
Median household income	$57,813	$60,313
Median home value	$76,100	$85,400
Median gross rent	$819	$713
Housing units	381	209
Homeownership rate	85.2%	83.8%
Bachelor's degree or higher	15.7%	12.6%
Unemployment rate	21.5%	3.9%

Trends (ACS 5-year, 2019–2023)

	Coulterville	Prairie du Rocher
Population	838 → 770 (-8.1%)	475 → 432 (-9.1%)
Median household income	$38,333 → $57,813 (+50.8%)	$53,125 → $60,313 (+13.5%)
Median home value	$76,500 → $76,100 (-0.5%)	$79,300 → $85,400 (+7.7%)
Median gross rent	$592 → $819 (+38.3%)	$775 → $713 (-8.0%)

Coulterville

Population

838770

Median household income

$38,333$57,813

Median home value

$76,500$76,100

Median gross rent

$592$819

Prairie du Rocher

Population

475432

Median household income

$53,125$60,313

Median home value

$79,300$85,400

Median gross rent

$775$713

Age & race/ethnicity

Age distribution (share)

	Coulterville	Prairie du Rocher
Under 5	2.5%	7.6%
5 to 17	15.2%	20.6%
18 to 24	8.6%	7.4%
25 to 34	4.9%	12.0%
35 to 44	11.6%	14.8%
45 to 54	16.6%	9.5%
55 to 64	11.7%	12.7%
65 to 74	9.2%	10.0%
75 and over	19.7%	5.3%

Race & ethnicity (share)

	Coulterville	Prairie du Rocher
White (non-Hispanic)	92.7%	93.1%
Black or African American	1.3%	0.9%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.5%
Some other race	0.4%	0.5%
Two or more races	2.2%	1.6%
Hispanic or Latino	2.3%	3.5%

Educational attainment (age 25+)

Share of adults 25+

	Coulterville	Prairie du Rocher
No high school diploma	15.1%	7.2%
High school graduate	30.1%	47.5%
Some college or associate's	39.1%	32.7%
Bachelor's degree	11.1%	10.8%
Graduate or professional degree	4.6%	1.8%

Commute to work

How workers get to work (share)

	Coulterville	Prairie du Rocher
Drove alone	85.6%	77.4%
Carpooled	4.0%	13.2%
Public transit	0.0%	0.4%
Walked	0.0%	4.7%
Bicycle	2.9%	0.0%
Worked from home	7.6%	2.6%
Other means	0.0%	1.7%

Housing

Units in structure (share)

	Coulterville	Prairie du Rocher
1-unit, detached	75.3%	82.8%
1-unit, attached	0.0%	0.0%
2 to 4 units	7.3%	0.0%
5 to 19 units	1.6%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	15.7%	17.2%

Poverty & households

	Coulterville	Prairie du Rocher
Poverty rate	10.6%	9.8%
Average household size	2.29	2.50
Mean commute (minutes)	28	30
Median year structure built	1973	1959