Prophetstown vs Rock Falls

A side-by-side comparison of Prophetstown and Rock Falls: population, income, housing, and more.

Prophetstown and Rock Falls are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Rock Falls has the higher population (8,683 vs 1,828 in Prophetstown). Prophetstown has the higher median household income ($66,797 vs $48,733 in Rock Falls). Prophetstown has the higher median home value ($116,300 vs $82,400 in Rock Falls).

Population, income & housing

	Prophetstown	Rock Falls
Population	1,828	8,683
Median age	43.8 yrs	39.9 yrs
Median household income	$66,797	$48,733
Median home value	$116,300	$82,400
Median gross rent	$704	$745
Housing units	804	4,471
Homeownership rate	75.5%	65.6%
Bachelor's degree or higher	14.1%	15.0%
Unemployment rate	7.1%	5.5%

Trends (ACS 5-year, 2019–2023)

	Prophetstown	Rock Falls
Population	2,062 → 1,828 (-11.3%)	8,952 → 8,683 (-3.0%)
Median household income	$49,152 → $66,797 (+35.9%)	$49,191 → $48,733 (-0.9%)
Median home value	$96,300 → $116,300 (+20.8%)	$78,000 → $82,400 (+5.6%)
Median gross rent	$707 → $704 (-0.4%)	$695 → $745 (+7.2%)

Prophetstown

Population

2,0621,828

Median household income

$49,152$66,797

Median home value

$96,300$116,300

Median gross rent

$707$704

Rock Falls

Population

8,9528,683

Median household income

$49,191$48,733

Median home value

$78,000$82,400

Median gross rent

$695$745

Age & race/ethnicity

Age distribution (share)

	Prophetstown	Rock Falls
Under 5	6.5%	6.8%
5 to 17	17.9%	15.9%
18 to 24	7.2%	8.3%
25 to 34	10.4%	12.2%
35 to 44	8.5%	11.5%
45 to 54	11.8%	13.1%
55 to 64	11.7%	12.7%
65 to 74	11.9%	11.3%
75 and over	14.2%	8.2%

Race & ethnicity (share)

	Prophetstown	Rock Falls
White (non-Hispanic)	92.0%	74.9%
Black or African American	2.1%	0.4%
American Indian & Alaska Native	0.0%	0.3%
Asian	0.2%	0.0%
Native Hawaiian & Pacific Islander	0.3%	0.0%
Some other race	0.0%	0.0%
Two or more races	3.4%	2.4%
Hispanic or Latino	2.0%	22.0%

Educational attainment (age 25+)

Share of adults 25+

	Prophetstown	Rock Falls
No high school diploma	8.6%	12.8%
High school graduate	42.5%	34.5%
Some college or associate's	34.8%	37.7%
Bachelor's degree	9.8%	10.8%
Graduate or professional degree	4.3%	4.2%

Commute to work

How workers get to work (share)

	Prophetstown	Rock Falls
Drove alone	87.0%	84.4%
Carpooled	7.7%	9.3%
Public transit	0.0%	0.6%
Walked	3.4%	0.5%
Bicycle	0.0%	0.0%
Worked from home	1.3%	5.2%
Other means	0.6%	0.0%

Housing

Units in structure (share)

	Prophetstown	Rock Falls
1-unit, detached	81.1%	75.3%
1-unit, attached	2.0%	1.5%
2 to 4 units	9.7%	11.4%
5 to 19 units	6.8%	5.9%
20 or more units	0.4%	4.5%
Mobile home & other	0.0%	1.4%

Poverty & households

	Prophetstown	Rock Falls
Poverty rate	10.8%	22.7%
Average household size	2.48	2.19
Mean commute (minutes)	21	16
Median year structure built	1957	1959