- İngilizçe
- Franțsuzca
- Germanca
- İspanca
- Protestan: % 51
- Luther: % 16
- Metodist: % 13
- Baptist: % 5
- Presbiteryan: % 3
- Pentecostal: % 2
- Başka Protestan: % 11
- Katolik: % 23
- Başka ristian: % 3
- Başka dinler: % 5
- Tayfe: % 13
- Germaniyalı: % 35.7
- İrlandiyalı: % 13.5
- İngiliz: % 9.5
- Kızılderili (İndian): % 6.6
- Norvegiyalı % 5.7
- German: % 4.6
- Șvețiyalı: % 3.3
- Daniyalı: % 3.2
- Des Moines: 197,052
- Cedar Rapids: 128,056
- Davenport: 100,827
- Sioux City: 82,807
- Iowa City: 67,831
- Waterloo: 66,662
- Council Bluffs: 59,536
- Dubuque: 57,250
- Ames: 56,510
- West Des Moines: 55,426
- Dallas County: 40,750
- 1840: 43,112
- 1850: 192,214
- 1860: 674,913
- 1870: 1,194,020
- 1880: 1,624,615
- 1890: 1,912,297
- 1900: 2,231,853
- 1910: 2,224,771
- 1920: 2,404,021
- 1930: 2,470,939
- 1940: 2,538,268
- 1950: 2,621,073
- 1960: 2,757,537
- 1970: 2,824,376
- 1980: 2,913,808
- 1990: 2,776,755
- 2000: 2,926,324
- 2009: 3,007,856
- Herbert Hoover
- Henry A. Wallace
- Lou Henry Hoover
- Mamie Eisenhower
- John L. Lewis
- Harry Hopkins
- Carrie Chapman Catt
- Jefferson Davis
- Norman Borlaug
- Alan J. Heeger
- Stanley B. Prusiner
- James A. Van Allen
- Aldo Leopold
- John Vincent Atanasoff
- George Washington Carver
- Clair Cameron Patterson
- Robert Noyce
- Black Hawk
- Watseka
- Bill Bryson
- George Gallup
- Ann Landers
- Harry Reasoner
- Abigail Van Buren
- Grant Wood
- Tom Arnold
- Bix Beiderbecke
- Johnny Carson
- Buffalo Bill Cody
- Simon Estes
- Ashton Kutcher
- Cloris Leachman
- Glenn Miller
- Kate Mulgrew
- Donna Reed
- Corey Taylor
- John Wayne
- Andy Williams
- Meredith Willson
- Elijah Wood
- Bob Feller
- Dan Gable
- Frank Gotch
- Shawn Johnson
- Zach Johnson
- Lolo Jones
- Nile Kinnick
- Kurt Warner
- Susan Werner
Hebei, Kitay Halk Respublikası (1983)
Stavropol Krai, Rusiya (1989)
Tayvan (1989)
Terengganu, Malayziya (1987)
Veneto İtaliya (1997)
Yamanashi Prefecture,Yaponiya (1960)
Yucatán, Meksika (1964)
