Population of Marion, IL

1839 Census 10
1840 Census 700
1850 Census 800
1860 Census 900
1870 Census 1,000
1880 Census 1,200
1890 Census 1,338
1900 Census 1,500
1910 Census 2,500
1920 Census 4,500
1930 Census 9,033
1940 Census 9,500
1950 Census 10,000
1957 Census 10,450 (Special Census)
1960 Census 10,500
1970 Census 11,300
1980 Census 13,400
1990 Census 14,500
2000 Census 16,035
2008 Census 17,300 (Special Census)
2010 Census 17,193

(Population: Illinois Blue Book (The official publication of the Illinois Secretary of State) Federal Census tables; originally posted by Thomas Wimberly)