Rock Falls

Population

8,648 (2020)

Type

City

Area

3.98 sq mi (10.32 km²), 0.14 sq mi water

Median age

41.2

Households

5,882

Persons per household

2.4

Median household income

$52,355

Average house value

$85,900

Businesses

259

Employees

3,231

Government

CITY OF ROCK FALLS

Government office

603 W 10TH ST, ROCK FALLS, IL 61071