Keystone, Iowa
Demographics

Keystone, Iowa

Section Title: Demographics
Table Section Text: None

Historical populations

Year	Pop.	±%

1900	405	—

1910	412	+1.7%

1920	558	+35.4%

1930	499	−10.6%

1940	466	−6.6%

1950	438	−6.0%

1960	522	+19.2%

1970	549	+5.2%

1980	618	+12.6%

1990	568	−8.1%

2000	687	+21.0%

2010	622	−9.5%

2016	610	−1.9%

Source:"American FactFinder". United States Census Bureau. and Iowa Data Center Source: U.S. Decennial Census

Sentence(s)

As of the census of 2010, there were 622 people residing in Keystone, Iowa.

final_sentence: As of the census of 2010, there were 622 people residing in Keystone, Iowa.