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CITY · 1990 CENSUS

Rock Falls

Illinois · 9,654 residents · 3.983 sq mi
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The short version

Rock Falls has notably lower household income than the US average, with a median household income of $21,607. Population has held roughly steady since 2000. 5% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $37,200. Households here earn about 33% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 33.3
US median: 33.0
Less educated
5% hold a bachelor's degree
US average: 20%
More affordable
home values down 22%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

9,654
+1%vs 2000
vs 9,580 in 2000
1990 – 2025
2,424 / sq mi
+1%vs 2000
vs 2,405 / sq mi in 2000
US average: 221
33.3
−8%vs 2000
vs 36.1 in 2000
US average: 33.0
Population, 19902024
8K9K9K9K10K1990201020202024Rock Falls
20249K
1990201020202024
Section 02

Income & economy

$21,607
−17%inflation adjusted, since 2000
vs $34,442 in 2000
US average: $30,130
1990 – 2024
$9,546
−42%vs 2000
vs $16,524 in 2000
US average: $14,340
18.7%
+7.1 ptsvs 2000
vs 11.5% in 2000
US average: 13.2%
Section 03

Housing

$37,200
−22%inflation adjusted, since 2000
vs $63,000 in 2000
US average: $93,722
1990 – 2024
$315
−9%inflation adjusted, since 2000
vs $454 in 2000
US average: $450
63.8%
−0.3 ptsvs 2000
vs 64.1% in 2000
36.2% rent
1.7
−6%vs 2000
vs 1.8 in 2000
1990 – 2024
RELATED:See current rent listings in Rock Falls on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic86.2%(8,258)
Black0.7%(71)
Hispanic / Latino11.5%(1,106)
Asian0.2%(23)
Other0%
Diversity Score28%(2,681)
1990
White, non-Hispanic93%(8,982)
Black0.7%(69)
Hispanic / Latino9.7%(940)
Asian0.9%(85)
Other5.4%(518)
Diversity Score33.8%(3,268)
34
+21%vs 2000
vs 28 in 2000
1990 – 2024
Section 05

Education

4.5%
−1.4 ptsvs 2000
vs 5.9% in 2000
US average: 20.3%
High school or higher
66.1%
−6.4 ptsvs 2000
vs 72.5% in 2000
US average: 75.2%
1.8%
−0.4 ptsvs 2000
vs 2.2% in 2000
US average: 7.1%
Section 06

Commute & transportation

14.6 min
+10%vs 2000
vs 13.2 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Rock Falls, Illinois?

Rock Falls, Illinois has about 9,654 residents according to the 1990 Census.

What is the median household income in Rock Falls, Illinois?

The typical household in Rock Falls, Illinois earns about $21,607 a year. Half of households make more than that, and half make less.

Is Rock Falls, Illinois expensive?

In Rock Falls, Illinois, the median home is worth about $37,200, and the typical rent is about $315 a month.

How educated are people in Rock Falls, Illinois?

About 4.5% of adults age 25 and over in Rock Falls, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Rock Falls, Illinois?

About 18.7% of people in Rock Falls, Illinois live below the federal poverty line.

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

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