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COUNTY · 2020 ACS

Rock Island County

Illinois · 144,672 residents · 427.496 sq mi
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The short version

Rock Island County has lower-than-average household income, with a median household income of $55,980. Population has declined 3% since 2000. Median home value has risen by half since 2000, reaching $123,100.

At a glance
Lower income
below the US median
US median: $66,278
Mid-age
median age 40.6
US median: 38.8
Less educated
24% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
144,672
−3%since 2000
from 149,374 in 2000
1990 – 2025
Population density
338 / sq mi
−3%since 2000
from 349 / sq mi in 2000
US average: 280
Median age
40.6
+7%since 2000
from 37.8 in 2000
US average: 38.8
Population, 1990 – 2024
142K144K146K148K150K1990201020202024Rock Island County
2024143K
1990201020202024
Section 02

Income & economy

Median household income
$55,980
−4%inflation adjusted, since 2000
from $38,608 in 2000
US average: $66,278
1990 – 2024
Per capita income
$30,380
+51%since 2000
from $20,164 in 2000
US average: $35,364
Households earning $100K+
36.3%
+11.0 ptssince 2009
from 25.3% in 2009
US average: 43.9%
Poverty rate
14.4%
+3.6 ptssince 2000
from 10.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade16.3%
US avg: 10%
Information11.9%
US avg: 11.1%
Finance & insurance7.1%
US avg: 5.5%
Wholesale trade6.6%
US avg: 6.7%
Professional, scientific, technical5.8%
US avg: 4.7%
Other services5.4%
US avg: 6.6%
Public administration3.8%
US avg: 4.7%
Transportation & warehousing2.3%
US avg: 2.5%
Education & health services1.3%
US avg: 0.8%
Agriculture, forestry, fishing1.2%
US avg: 1.7%
Construction1.1%
US avg: 1.2%
Arts, entertainment, food0.9%
US avg: 2%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$123,100
+5%inflation adjusted, since 2000
from $77,800 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$753
+11%inflation adjusted, since 2000
from $450 in 2000
US average: $1,124
Owner-occupied
66.4%
−3.3 ptssince 2000
from 69.7% in 2000
33.6% rent
Afford Score
2.2
+9%since 2000
from 2.0 in 2000
1990 – 2024
RELATED:See current rent listings in Rock Island County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic81.5%(121,705)
Black7.4%(11,099)
Hispanic / Latino8.6%(12,791)
Asian1%(1,499)
Other0%
Diversity Score37.8%(56,399)
Segregation Score0%
2020
White, non-Hispanic67.5%(97,689)
Black11.2%(16,169)
Hispanic / Latino13.7%(19,842)
Asian2.8%(4,033)
Other3.5%(5,042)
Diversity Score62.2%(89,998)
Segregation Score32.6%(47,205)
Diversity Score
62
+65%since 2000
from 38 in 2000
1990 – 2024
Segregation Score
33
Section 05

Education

Bachelor's degree or higher
23.8%
+6.7 ptssince 2000
from 17.1% in 2000
US average: 32.9%
High school or higher
88.9%
+6.3 ptssince 2000
from 82.6% in 2000
US average: 88.5%
Graduate degree
8.5%
+2.9 ptssince 2000
from 5.6% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
19.8 min
+75%since 2000
from 11.3 min in 2000
US average: 26.9
Drive alone to work
82.8%
−0.8 ptssince 2009
from 83.6% in 2009
US average: 75.1%
No vehicle available
8.3%
−0.1 ptssince 2009
from 8.3% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
5.8%
−2.0 ptssince 2011
from 7.7% in 2011
US average: 5.4%
Labor force participation
62.0%
−1.9 ptssince 2011
from 63.9% in 2011
US average: 63.4%
Management & professional
32.6%
−29.6 ptssince 2009
from 62.2% in 2009
US average: 39.3%
Section 08

People & community

Male
49.3%
+0.5 ptssince 2009
from 48.8% in 2009
Female
50.7%
−0.5 ptssince 2009
from 51.2% in 2009
Foreign born
7.8%
+1.8 ptssince 2009
from 6.0% in 2009
US average: 13.5%
Uninsured
5.6%
−83.6 ptssince 2013
from 89.2% in 2013
US average: 8.8%
Drill deeper

Places similar to Rock Island County

Monroe County
Pop 143,345
Faulkner County
Pop 133,979
Warren County
Pop 149,375
Black Hawk County
Pop 131,532
Places similar to Rock Island County
Head to head

Compare Rock Island County to nearby counties

ROCK ISLAND COUNTY VS
Scott County
Income$78,277+40%
Home value$222,000+80%
Population175,259+24%
SEE FULL COMPARISON →
ROCK ISLAND COUNTY VS
Mercer County
Income$74,182+33%
Home value$146,700+19%
Population15,229−89%
SEE FULL COMPARISON →
ROCK ISLAND COUNTY VS
Henry County
Income$71,911+28%
Home value$151,600+23%
Population48,095−66%
SEE FULL COMPARISON →
ROCK ISLAND COUNTY VS
Muscatine County
Income$69,396+24%
Home value$182,100+48%
Population41,853−70%
SEE FULL COMPARISON →
Frequently asked

How many people live in Rock Island County, Illinois?

Rock Island County, Illinois has about 144,672 residents according to the 2020 American Community Survey.

What is the median household income in Rock Island County, Illinois?

The typical household in Rock Island County, Illinois earns about $55,980 a year. Half of households make more than that, and half make less.

Is Rock Island County, Illinois expensive?

In Rock Island County, Illinois, the median home is worth about $123,100, and the typical rent is about $753 a month.

How educated are people in Rock Island County, Illinois?

About 23.8% of adults age 25 and over in Rock Island County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Rock Island County, Illinois?

About 14.4% of people in Rock Island County, Illinois live below the federal poverty line.

Has Rock Island County, Illinois grown since 1990?

Yes, Rock Island County, Illinois has shrunk since 1990. The population has lost about 4,051 residents, a change of about -3 percent over that period.

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Explore from here

43 census tracts (top 20 by population)
Census Tract 204Census Tract 228Census Tract 209Census Tract 232Census Tract 213Census Tract 241.02Census Tract 215Census Tract 203.01Census Tract 218Census Tract 208Census Tract 212Census Tract 211Census Tract 220Census Tract 240Census Tract 242Census Tract 241.03Census Tract 202Census Tract 201.02Census Tract 230Census Tract 210
17 ZIP codes
ZIP 61265ZIP 61201ZIP 61244ZIP 61264ZIP 61282ZIP 61240ZIP 61275ZIP 61284ZIP 61256ZIP 61232ZIP 61239ZIP 61242ZIP 61259ZIP 61257ZIP 61278ZIP 61236ZIP 61237
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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