CensusEasy
CITY · 2020 ACS

Rock Falls

Illinois · 8,789 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 $44,264. Population has declined 8% since 2000. 10% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value is $71,600. Households here earn about 35% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 42.3
US median: 38.8
Less educated
10% hold a bachelor's degree
US average: 33%
More affordable
home values down 24%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

8,789
−8%since 2000
from 9,580 in 2000
1990 – 2025
42.3
+17%since 2000
from 36.1 in 2000
US average: 38.8
Population, 19902024
8K9K9K9K10K1990201020202024Rock Falls
20249K
1990201020202024
Age distribution, 2020
Under 56.3%(550)
US avg: 5.6%
5 to 95.8%(506)
US avg: 6.1%
10 to 146.8%(598)
US avg: 6.5%
15 to 196.2%(547)
US avg: 6.6%
20 to 245.6%(489)
US avg: 6.7%
25 to 3411.6%(1,016)
US avg: 13.5%
35 to 4411.1%(973)
US avg: 12.7%
45 to 5412.3%(1,080)
US avg: 12.3%
55 to 6414.8%(1,297)
US avg: 13.1%
65 to 7411.6%(1,018)
US avg: 10%
75 to 846%(525)
US avg: 4.9%
85 and over2.2%(190)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$44,264
−14%inflation adjusted, since 2000
from $34,442 in 2000
US average: $66,278
1990 – 2024
$26,743
+62%since 2000
from $16,524 in 2000
US average: $35,364
Households earning $100K+
23.8%
+9.2 ptssince 2009
from 14.6% in 2009
US average: 43.9%
18.3%
+6.8 ptssince 2000
from 11.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade26.9%
US avg: 10%
Information9.5%
US avg: 11.1%
Finance & insurance6.6%
US avg: 5.5%
Professional, scientific, technical6.5%
US avg: 4.7%
Transportation & warehousing4.2%
US avg: 2.5%
Wholesale trade3.2%
US avg: 6.7%
Agriculture, forestry, fishing2%
US avg: 1.7%
Construction2%
US avg: 1.2%
Other services1%
US avg: 6.6%
Arts, entertainment, food0.8%
US avg: 2%
Public administration0.6%
US avg: 4.7%
Education & health services0.1%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$71,600
−24%inflation adjusted, since 2000
from $63,000 in 2000
US average: $265,253
1990 – 2024
$658
−4%inflation adjusted, since 2000
from $454 in 2000
US average: $1,124
61.3%
−2.8 ptssince 2000
from 64.1% in 2000
38.7% rent
1.6
−28%since 2009
from 2.2 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
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%
2020
White, non-Hispanic74.4%(6,542)
Black1.9%(169)
Hispanic / Latino17.3%(1,523)
Asian0.4%(34)
Other0.7%(64)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican20.1%(1,792)
Spaniard0.4%(40)
Guatemalan0.1%(9)
Asian origin
Asian Indian0.2%(18)
Filipino0.1%(8)
Ancestry
German25.8%(2,296)
Irish12.4%(1,108)
American9.9%(880)
English6.9%(614)
Dutch4%(356)
Polish3.6%(322)
Italian2.4%(211)
Swedish2.2%(197)
French1.8%(157)
Norwegian1.3%(116)
Scottish1.2%(109)
British0.7%(63)
+ 18 more ancestry groups with data
Scotch-Irish0.6%(53)
Danish0.5%(46)
Austrian0.5%(42)
Lithuanian0.4%(37)
Belgian0.4%(33)
Greek0.3%(24)
Nigerian0.2%(22)
Romanian0.2%(21)
Slovak0.2%(17)
Israeli0.1%(13)
Australian0.1%(10)
Bulgarian0.1%(9)
Ethiopian0.1%(7)
Welsh0.1%(7)
Czech0.1%(6)
Portuguese0.1%(6)
Russian0.1%(6)
RANKED:Largest German population · Largest Mexican population · Largest Irish population · Largest American population · Largest English population
Section 05

Education

10.1%
+4.2 ptssince 2000
from 5.9% in 2000
US average: 32.9%
High school or higher
89.3%
+16.8 ptssince 2000
from 72.5% in 2000
US average: 88.5%
3.3%
+1.1 ptssince 2000
from 2.2% in 2000
US average: 12.7%
Section 06

Commute & transportation

20.8 min
+57%since 2000
from 13.2 min in 2000
US average: 26.9
84.7%
+0.7 ptssince 2009
from 84.0% in 2009
US average: 75.1%
8.2%
Unchangedsince 2009
from 8.2% in 2009
US average: 8.4%
Section 07

Work & employment

5.7%
−4.7 ptssince 2011
from 10.4% in 2011
US average: 5.4%
65.9%
+4.4 ptssince 2011
from 61.5% in 2011
US average: 63.4%
19.8%
−36.8 ptssince 2009
from 56.6% in 2009
US average: 39.3%
Section 08

People & community

50.4%
+1.9 ptssince 2009
from 48.5% in 2009
49.6%
−1.9 ptssince 2009
from 51.5% in 2009
2.9%
−0.2 ptssince 2009
from 3.1% in 2009
US average: 13.5%
5.8%
−77.8 ptssince 2013
from 83.6% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married41.5%(1,373)
Married39.9%(1,320)
Widowed5.5%(181)
Divorced13.1%(433)
Women 15+
Never married31.7%(1,114)
Married39.4%(1,387)
Widowed10.8%(380)
Divorced18.1%(638)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in Rock Falls, Illinois?

Rock Falls, Illinois has about 8,789 residents according to the 2020 American Community Survey.

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

The typical household in Rock Falls, Illinois earns about $44,264 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 $71,600, and the typical rent is about $658 a month.

How educated are people in Rock Falls, Illinois?

About 10.1% 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 18.3% of people in Rock Falls, Illinois live below the federal poverty line.

Has Rock Falls, Illinois grown since 1990?

Yes, Rock Falls, Illinois has shrunk since 1990. The population has lost about 865 residents, a change of about -9 percent over that period.

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

How we source and harmonize this data →