Illinois / Census place 1765078

Rock Island

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Rock Island city

At a glance

A city in numbers.

Population
36,225
2025 estimate
Annual change
0%
Population estimate
Density
2,066/sq mi
17.5 sq mi land area
Median age
37.4 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$59,041
Median home value
$125,900
Median gross rent
$842
Bachelor’s degree or higher
24.5%
Typical commute
19.3 min
Public transit commute
1.7%

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: MOLINE QUAD CITY INTL AP (4 mi from place center)
Average high
61.5°F
Average low
40.9°F
Annual rainfall
38.3"
Annual snowfall
36.1"

Month by month

A year in Rock Island.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

IL

Pekin, IL

Population, housing, work, and travel data for this Census place.

Population
31,277
Median home
$120,700
WI

Beloit, WI

Population, housing, work, and travel data for this Census place.

Population
36,649
Median home
$156,500
OH

Marion, OH

Population, housing, work, and travel data for this Census place.

Population
35,587
Median home
$119,500

Keep exploring

Compare Rock Island with Pekin