Prairie du Rocher vs Tilden

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

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

Tilden has the higher population (722 vs 432 in Prairie du Rocher). Prairie du Rocher has the higher median household income ($60,313 vs $45,625 in Tilden). Prairie du Rocher has the higher median home value ($85,400 vs $72,300 in Tilden).

Population, income & housing

	Prairie du Rocher	Tilden
Population	432	722
Median age	36.4 yrs	41.7 yrs
Median household income	$60,313	$45,625
Median home value	$85,400	$72,300
Median gross rent	$713	$821
Housing units	209	356
Homeownership rate	83.8%	61.3%
Bachelor's degree or higher	12.6%	5.1%
Unemployment rate	3.9%	12.9%

Trends (ACS 5-year, 2019–2023)

	Prairie du Rocher	Tilden
Population	475 → 432 (-9.1%)	895 → 722 (-19.3%)
Median household income	$53,125 → $60,313 (+13.5%)	$37,159 → $45,625 (+22.8%)
Median home value	$79,300 → $85,400 (+7.7%)	$64,800 → $72,300 (+11.6%)
Median gross rent	$775 → $713 (-8.0%)	$635 → $821 (+29.3%)

Prairie du Rocher

Population

475432

Median household income

$53,125$60,313

Median home value

$79,300$85,400

Median gross rent

$775$713

Tilden

Population

895722

Median household income

$37,159$45,625

Median home value

$64,800$72,300

Median gross rent

$635$821

Age & race/ethnicity

Age distribution (share)

	Prairie du Rocher	Tilden
Under 5	7.6%	9.8%
5 to 17	20.6%	7.1%
18 to 24	7.4%	9.6%
25 to 34	12.0%	14.4%
35 to 44	14.8%	13.7%
45 to 54	9.5%	9.8%
55 to 64	12.7%	15.1%
65 to 74	10.0%	11.2%
75 and over	5.3%	9.3%

Race & ethnicity (share)

	Prairie du Rocher	Tilden
White (non-Hispanic)	93.1%	84.8%
Black or African American	0.9%	3.2%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	1.1%
Native Hawaiian & Pacific Islander	0.5%	0.0%
Some other race	0.5%	0.0%
Two or more races	1.6%	2.8%
Hispanic or Latino	3.5%	8.2%

Educational attainment (age 25+)

Share of adults 25+

	Prairie du Rocher	Tilden
No high school diploma	7.2%	23.5%
High school graduate	47.5%	39.0%
Some college or associate's	32.7%	32.4%
Bachelor's degree	10.8%	2.1%
Graduate or professional degree	1.8%	3.0%

Commute to work

How workers get to work (share)

	Prairie du Rocher	Tilden
Drove alone	77.4%	83.2%
Carpooled	13.2%	9.2%
Public transit	0.4%	0.0%
Walked	4.7%	7.6%
Bicycle	0.0%	0.0%
Worked from home	2.6%	0.0%
Other means	1.7%	0.0%

Housing

Units in structure (share)

	Prairie du Rocher	Tilden
1-unit, detached	82.8%	69.1%
1-unit, attached	0.0%	1.1%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	17.2%	29.8%

Poverty & households

	Prairie du Rocher	Tilden
Poverty rate	9.8%	22.3%
Average household size	2.50	2.27
Mean commute (minutes)	30	31
Median year structure built	1959	1973