CensusEasy
COUNTY · 2010 ACS

Rock Island County

Illinois · 147,546 residents · 427.496 sq mi
Time machine
COMPARE TO
Part of the Davenport metro area
Compare
The short version

Rock Island County has lower-than-average household income, with a median household income of $46,226. Population has held roughly steady since 2000. Median home value is $111,700.

At a glance
Lower income
below the US median
US median: $52,703
Older
median age 40.0
US median: 37.2
Less educated
21% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
147,546
−1%since 2000
from 149,374 in 2000
1990 – 2025
Population density
345 / sq mi
−1%since 2000
from 349 / sq mi in 2000
US average: 261
Median age
40.0
+6%since 2000
from 37.8 in 2000
US average: 37.2
Population, 1990 – 2024
142K144K146K148K150K1990201020202024Rock Island County
2024143K
1990201020202024
Section 02

Income & economy

Median household income
$46,226
−5%inflation adjusted, since 2000
from $38,608 in 2000
US average: $52,703
1990 – 2024
Per capita income
$25,071
+24%since 2000
from $20,164 in 2000
US average: $27,286
Households earning $100K+
26.2%
+0.9 ptssince 2009
from 25.3% in 2009
US average: 33.3%
Poverty rate
12.3%
+1.6 ptssince 2000
from 10.7% in 2000
US average: 13.8%
Income inequality (Gini)
0.441
US average: 0.461
Workforce by industry, 2010
Retail trade16.9%
US avg: 10.9%
Information11.4%
US avg: 11.5%
Finance & insurance6%
US avg: 5.1%
Other services5.2%
US avg: 7%
Wholesale trade5%
US avg: 7.2%
Professional, scientific, technical4.8%
US avg: 4.2%
Public administration3.7%
US avg: 4.9%
Transportation & warehousing3.3%
US avg: 3.1%
Arts, entertainment, food1.9%
US avg: 2.4%
Education & health services1.2%
US avg: 0.9%
Agriculture, forestry, fishing1.1%
US avg: 1.9%
Construction0.9%
US avg: 1.4%
Manufacturing0.2%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$111,700
+13%inflation adjusted, since 2000
from $77,800 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$598
+5%inflation adjusted, since 2000
from $450 in 2000
US average: $853
Owner-occupied
44.1%
−25.6 ptssince 2000
from 69.7% in 2000
30.8% rent
Vacancy rate
8.0%
Unchangedsince 2009
from 8.0% in 2009
US average: 12.1%
Owner cost-burdened
22.1%
−0.7 ptssince 2009
from 22.8% in 2009
US average: 30.9%
Renter cost-burdened
40.3%
−0.1 ptssince 2009
from 40.4% in 2009
US average: 46.8%
Afford Score
2.4
+20%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)
2010
White, non-Hispanic75.7%(111,764)
Black8.8%(12,911)
Hispanic / Latino11.6%(17,118)
Asian1.6%(2,383)
Other2.1%(3,054)
Diversity Score50.2%(74,115)
Diversity Score
50
+33%since 2000
from 38 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
21.1%
+4.0 ptssince 2000
from 17.1% in 2000
US average: 27.9%
High school or higher
86.7%
+4.2 ptssince 2000
from 82.6% in 2000
US average: 84.9%
Graduate degree
7.2%
+1.5 ptssince 2000
from 5.6% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
18.5 min
+63%since 2000
from 11.3 min in 2000
US average: 25.2
Drive alone to work
83.7%
+0.1 ptssince 2009
from 83.6% in 2009
US average: 76.2%
Carpooled to work
8.9%
+0.2 ptssince 2009
from 8.7% in 2009
US average: 10.4%
Public transit
1.5%
+0.2 ptssince 2009
from 1.3% in 2009
US average: 4.7%
Worked from home
2.4%
Unchangedsince 2009
from 2.4% in 2009
US average: 4.1%
Walked to work
2.6%
−0.4 ptssince 2009
from 3.0% in 2009
US average: 2.8%
Biked to work
0.3%
Unchangedsince 2009
from 0.3% in 2009
US average: 0.5%
No vehicle available
8.6%
+0.3 ptssince 2009
from 8.3% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
10.4%
Unchangedsince 2009
from 10.4% in 2009
US average: 12.9%
Management & professional
29.7%
−32.5 ptssince 2009
from 62.2% in 2009
US average: 35.2%
Section 08

People & community

Male
48.9%
+0.1 ptssince 2009
from 48.8% in 2009
Female
51.1%
−0.1 ptssince 2009
from 51.2% in 2009
Foreign born
6.3%
+0.3 ptssince 2009
from 6.0% in 2009
US average: 12.8%
Veterans
12.0%
−36.0 ptssince 2009
from 48.0% in 2009
US average: 9.9%
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+69%
Home value$222,000+99%
Population175,259+24%
SEE FULL COMPARISON →
ROCK ISLAND COUNTY VS
Mercer County
Income$74,182+60%
Home value$146,700+31%
Population15,229−89%
SEE FULL COMPARISON →
ROCK ISLAND COUNTY VS
Henry County
Income$71,911+56%
Home value$151,600+36%
Population48,095−66%
SEE FULL COMPARISON →
ROCK ISLAND COUNTY VS
Muscatine County
Income$69,396+50%
Home value$182,100+63%
Population41,853−70%
SEE FULL COMPARISON →
Frequently asked

How many people live in Rock Island County, Illinois?

Rock Island County, Illinois has about 147,546 residents according to the 2010 American Community Survey.

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

The typical household in Rock Island County, Illinois earns about $46,226 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 $111,700, and the typical rent is about $598 a month.

How educated are people in Rock Island County, Illinois?

About 21.1% 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 12.3% 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 1,177 residents, a change of about -1 percent over that period.

Keep going

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
Up the hierarchy
All counties in Illinois
Rankings
Highest income countiesLowest poverty counties

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

How we source and harmonize this data →