Rock Falls, Illinois
Demographics
As of the census of 2000, there were 9,580 people, 3,895 households, and 2,559 families residing in the city. The population density was 2,888.0 people per square mile (1,114.1/km²).

Rock Falls, Illinois

Section Title: Demographics
Table Section Text: As of the census of 2000, there were 9,580 people, 3,895 households, and 2,559 families residing in the city. The population density was 2,888.0 people per square mile (1,114.1/km²).

Historical population

Census	Pop.	%±

1870	471	—

1880	894	89.8%

1890	1,900	112.5%

1900	2,176	14.5%

1910	2,657	22.1%

1920	2,927	10.2%

1930	3,893	33.0%

1940	4,987	28.1%

1950	7,983	60.1%

1960	10,261	28.5%

1970	10,287	0.3%

1980	10,633	3.4%

1990	9,654	−9.2%

2000	9,580	−0.8%

2010	9,266	−3.3%

Est. 2016	8,993	−2.9%

U.S. Decennial Census

Sentence(s)

The population was 9,266 at the 2010 census, down from 9,580 in 2000 in Rock Falls.

final_sentence: The population was 9,266 at the 2010 census, down from 9,580 in 2000 in Rock Falls.