Latest Data (2017)
Population 39,400
Nationwide Rank 975

Quick Facts

Marion, Iowa is the 975th largest city in the United States as of 2017.

Marion, Iowa is a city.

Marion, Iowa is as large as it has ever been. In 2017 Marion had its largest population ever.

Marion, Iowa is growing moderately quickly. It is growing faster than 76% of similarly sized cities since 2000.

Marion, Iowa Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2017
965 Westerville, Ohio 39,737 11.9%
966 Woburn, Massachusetts 39,701 6.0%
967 Romeoville, Illinois 39,632 79.4%
968 Spring Hill, Tennessee 39,602 379.9%
969 Warren, Ohio 39,562 -17.7%
970 Westfield, Indiana 39,493 155.4%
971 Duncanville, Texas 39,487 9.4%
972 Norwich, Connecticut 39,470 9.2%
973 Spanish Fork, Utah 39,443 90.1%
974 Wentzville, Missouri 39,414 427.8%
975 Marion, Iowa 39,400 48.3%
976 Lancaster, Texas 39,386 51.4%
977 Annapolis, Maryland 39,321 9.2%
978 Keizer, Oregon 39,315 21.4%
979 Culver City, California 39,283 1.0%
980 Montclair, California 39,276 15.7%
981 Delaware, Ohio 39,267 51.6%
982 Herriman, Utah 39,224 1108.3%
983 Lake Oswego, Oregon 39,196 9.7%
984 Queen Creek, Arizona 39,184 1107.8%
985 Los Banos, California 39,183 48.9%

Similarly Sized Cities In Iowa

US Rank Name Population Growth
2000-2017
464 Iowa City 75,798 20.5%
535 Waterloo 67,587 -1.7%
547 Ames 66,498 30.5%
559 West Des Moines 65,608 39.0%
596 Ankeny 62,416 126.2%
598 Council Bluffs 62,316 6.8%
648 Dubuque 58,276 1.0%
873 Urbandale 43,592 47.7%
918 Cedar Falls 41,570 14.8%
975 Marion 39,400 48.3%
1076 Bettendorf 35,813 14.4%
1371 Mason City 27,399 -6.0%
1374 Marshalltown 27,280 4.8%
1470 Clinton 25,480 -8.0%
1500 Burlington 25,022 -6.5%
1541 Ottumwa 24,454 -1.9%
1551 Fort Dodge 24,305 -7.5%
1584 Muscatine 23,782 4.7%
1708 Johnston 21,562 139.7%
1754 Coralville 20,881 37.2%
1773 Waukee 20,649 269.9%

Demographics

Population History

Year Population Rank in US
2017 39,400 975
2016 38,480 988
2015 37,330 1,016
2014 36,774 1,012
2013 36,147 1,020
2012 35,843 1,020
2011 35,378 1,028
2010 34,768 1,030
2009 33,452 1,053
2008 32,942 1,059
2007 32,084 1,079
2006 31,298 1,093
2005 30,410 1,106
2004 29,975 1,114
2003 28,781 1,145
2002 27,729 1,178
2001 27,145 1,197
2000 26,567 1,203
1990 20,479 1,343