Riley County, Kansas
Demographics
Riley County is part of the Manhattan, KS Metropolitan Statistical Area. Millennials (ages 15-34 years old) make up 53.6% of the population of Riley County, one of the highest rates in the United States.

Riley County, Kansas

Section Title: Demographics
Table Section Text: Riley County is part of the Manhattan, KS Metropolitan Statistical Area. Millennials (ages 15-34 years old) make up 53.6% of the population of Riley County, one of the highest rates in the United States.

Historical population

Census	Pop.	%±

1860	1,224	—

1870	5,105	317.1%

1880	10,430	104.3%

1890	13,183	26.4%

1900	13,828	4.9%

1910	15,783	14.1%

1920	20,650	30.8%

1930	19,882	−3.7%

1940	20,617	3.7%

1950	33,405	62.0%

1960	41,914	25.5%

1970	56,788	35.5%

1980	63,505	11.8%

1990	67,139	5.7%

2000	62,843	−6.4%

2010	71,115	13.2%

Est. 2016	73,343	3.1%

U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2016

Sentence(s)

As of the census of 2000, there were 62,843 people residing in Riley county.

final_sentence: As of the census of 2000, there were 62,843 people residing in Riley county.