World Population > United States Population

Iowa Population

Iowa (U.S. state abbreviation is 'IA') is the midwestern state of United States, bordered by Minnesota to the north, Wisconsin and Illinois to the east, Missouri to the south, Nebraska to the west. Missouri and Mississippi rivers are bordered to east and west parts of Iowa state. Iowa population in 2020 is estimated to be 3.18 million, ranks 31st populous state in US. Its area is 58,272 sq miles (145,746 sq km), 26th largest by area rank. The state name derived from the Native American tribes Ioway people, Iowa means 'beautiful land'. Des Moines is the state capital of Iowa, other top cities include Cedar Rapids, Davenport, Sioux City and Waterloo. Iowa state is the most productive agricultural state as the soil is very fertile, followed by Texas and California. The agricultural produce includes corn, oats and soybeans.
Iowa Population gathering in State fair
Image Source: People gathering at State Fair, Iowa, Aug 2019

The population of Iowa 2019 is 3.16 million with change of 0.43%, compared to 0.40% in 2018.
YearPopulation% Change
2020*3,182,0250.39 *
Source : Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2018

Iowa Population by Race & Groups

In terms of Iowa state population by race, 88.4% are White Americans, followed by Hispanic/Latino's, 2.2% are Asians, 3.3% are Black Americans, 0.3% are AIAN.
Total Hispanic or Latino in Iowa state are 178,294, out of these 137,874 are Mexicans, 6,739 are Puerto Ricans and 2217 are Cubans.
913 are Native Hawaiians, 467 are Guamanian/Chamorro's and 246 are Samoans. 10,791 are American Indian and Alaska Natives, 147 are Navajo's, 800 are Cherokee tribals, 368 Chippewa tribals and 1484 are Sioux tribal groups.
Total Asian population in Iowa state is 71,178, out of these 13,759 are Asian Indians, 13,718 are Chinese, except Taiwanese, 370 are Bangladeshi, 284 Bhutanese, 5,972 Burmese, 768 Cambodian, 4,659 Filipino, 992 Hmong. 178 people Indonesian, 1,500 Japanese, 6,818 Korean, 5,284 Laotian, 402 Malaysian, 31 Mongolian, 1,159 Nepalese, 744 Pakistani, 170 Sri Lankan, 1,917 Thai, 455 Taiwanese, 9,620 are Vietnamese.

Total Population3,118,102Percent
Black or African American106,7623.42%
American Indian and Alaska Native10,7910.346%
Cherokee tribal grouping8000.026%
Chippewa tribal grouping3680.012%
Navajo tribal grouping1470.005%
Sioux tribal grouping1,4840.048%
Asian Population71,1782.28%
Asian Indian13,7590.44%
Other Asian Population20,649
Native Hawaiian and Other Pacific Islander2,9130.09%
Native Hawaiian9130.029%
Guamanian or Chamorro4670.015%
Other Pacific Islander1,287
Some other race39,527
Hispanic or Latino178,2945.72%
Puerto Rican6,7390.22%
Other Hispanic or Latino31,464

Source: US Census 2017(Table B03002)

Top Cities of Iowa

The most populated city of Iowa state is Des Moines with 216,853 and second populous is Cedar Rapids with 133,174, followed by Davenport with 102,085, Sioux with 82,396, Iowa with 76,290, Waterloo with 67,798, Ames with 67,154, West Des Moines with 66,641, Ankeny with 65,284 and Council Bluffs with 62,421.

1Des Moines216,853
2Cedar Rapids133,174
8West Des Moines66,641
10Council Bluffs62,421

Population Pyramid

Source: 2017 US Census Estimates: Population In Five Year Age-Group

Languages spoken in IA

English is the Official language of the US state of Iowa. Languages spoken at home are, 92.3% are English, 3.95% are Spanish, 1.6% European languages and 1.54 are Asian Language speakers.
Asian Indian languages of IA state include, 934 speak Gujarati, 2827 Hindi, 662 Urdu, 355 Punjabi, 757 Bengali, 2797 Nepali, Marathi, or other Indic languages, 1700 Other Indo-European languages, 2475 Telugu, 1195 Tamil and 694 Malayalam, Kannada, or other Dravidian languages.
Mid and East Asia languages are, 11798 speak Chinese (incl. Mandarin, Cantonese), 844 Hmong, 1381 Japanese, 2964 Korean, 7939 Vietnamese, 663 Khmer, 5441 Thai, Lao, or other Tai-Kadai languages, 5342 Other languages of Asia and 2658 Tagalog (incl. Filipino).
1634 speak Ilocano, Samoan, Hawaiian, or other Austronesian languages, 6462 Arabic, 358 Hebrew and 331 speak Persian (including Farsi, Dari).
People from Africa regional languages are, 2263 speak Amharic, Somali, or other Afro-Asiatic languages, 1226 Yoruba, Twi, Igbo, or other languages of Western Africa and 3908 Swahili or other languages of Central, Eastern, and Southern Africa.
European languages include 1878 Russian, 514 Polish, 8769 Serbo-Croatian, 1403 Ukrainian or other Slavic languages, 55 Armenian, 409 Greek, 5067, French (incl. Cajun), 515 Haitian, 981 Italian, 1299 Portuguese, 11483 German, 4334 Yiddish, Pennsylvania Dutch or other West Germanic languages.
Speak only English2,698,19892.35
Spanish Language115,2673.95
European Language47,0701.61
Asian Languages45,0281.54
Other Languages16,0540.55
Source: US Census 2017(Table S1601)


IA state High scool and College level education stats as per table below:

Population 18 to 24 years321484165601155883
Less than high school graduate334421962813814
High school graduate (includes equivalency)855304935436176
Some college or associates degree1681708245685714
Bachelors degree or higher343421416320179
Population 25 years and over206791410094581058456
Less than 9th grade661903431731873
9th to 12th grade, no diploma1024555585446601
High school graduate (includes equivalency)651750335671316079
Some college, no degree440583212012228571
Associates degree234511101838132673
Bachelors degree386963179490207473
Graduate or professional degree1854629027695186
High school graduate or higher1746163841754904409
Bachelors degree or higher526401246767279634
Black or African560813003326048
High school graduate or higher467172486921848
Bachelors degree or higher977350574716
American Indian or Alaska Native alone671833873331
High school graduate or higher570928042905
Bachelors degree or higher1011572439
High school graduate or higher348091696517844
Bachelors degree or higher20144102039941
Native Hawaiian and Other Pacific Islander1602740862
High school graduate or higher1236547689
Bachelors degree or higher257108149
Hispanic or Latino Origin835524412139431
High school graduate or higher506032562324980
Bachelors degree or higher1048450075477
Source: US Census 2017(Table S1501)


As on 2017, the US State of Iowa stats of physically or mentally disabled people are as follows:

Total civilian non-institutionalized population356551
Black or African American11078
American Indian and Alaska Native alone1851
Native Hawaiian and Other Pacific Islander156
Some other race2528
With a hearing difficulty114277
With a vision difficulty54606
With a cognitive difficulty127569
With an ambulatory difficulty168273
With a self-care difficulty59335
With an independent living difficulty108528

Counties of Iowa

Iowa state is divided into 99 Counties, Polk is the populous County with 487,204, followed by Linn County with 225,909, Scott County with 173,283, Johnson County with 151,260 and Black Hawk County with 132,408.

CountyPopulation 2017Population 2018% ChangeRank 2017Rank 2018
Adair County7,0537,0630.19089
Adams County3,6633,645-0.59999
Allamakee County13,80413,8320.25757
Appanoose County12,36312,4370.66160
Audubon County5,5665,506-1.19797
Benton County25,63325,64202424
Black Hawk County132,409132,408055
Boone County26,47626,346-0.52323
Bremer County24,82224,9470.52626
Buchanan County21,15621,1990.22929
Buena Vista County20,10219,874-1.13334
Butler County14,58214,539-0.35454
Calhoun County9,7499,699-0.57676
Carroll County20,27320,154-0.63131
Cass County13,12612,930-1.55858
Cedar County18,55118,6270.43838
Cerro Gordo County42,99742,647-0.81314
Cherokee County11,33011,321-0.16666
Chickasaw County12,03611,964-0.66363
Clarke County9,3319,42317978
Clay County16,15316,134-0.14648
Clayton County17,65017,556-0.54040
Clinton County46,90246,518-0.81212
Crawford County17,11917,1580.24341
Dallas County87,21590,1803.41010
Davis County8,9919,0170.38281
Decatur County7,9437,890-0.78686
Delaware County17,15817,069-0.54243
Des Moines County39,32039,138-0.51616
Dickinson County17,17317,153-0.14142
Dubuque County97,00996,854-0.288
Emmet County9,4149,253-1.77879
Fayette County19,70819,660-0.23535
Floyd County15,76115,76104949
Franklin County10,15910,124-0.37273
Fremont County6,9526,9930.69191
Greene County8,9698,9810.18382
Grundy County12,32212,304-0.16262
Guthrie County10,66710,7200.56968
Hamilton County15,06914,952-0.85152
Hancock County10,77310,712-0.66869
Hardin County17,00716,868-0.84545
Harrison County14,12914,13405555
Henry County20,06020,06703432
Howard County9,2199,187-0.38080
Humboldt County9,5789,547-0.37777
Ida County6,8566,841-0.29292
Iowa County16,11816,1410.14747
Jackson County19,36819,4320.33636
Jasper County36,98537,1470.41717
Jefferson County18,23318,3810.83939
Johnson County149,213151,2601.444
Jones County20,68420,7440.33030
Keokuk County10,14910,2250.77372
Kossuth County14,97014,908-0.45353
Lee County34,24334,055-0.52121
Linn County224,277225,9090.722
Louisa County11,20311,169-0.36767
Lucas County8,5508,6451.18585
Lyon County11,79711,8110.16464
Madison County16,03016,2491.44846
Mahaska County22,19722,000-0.92828
Marion County33,10533,4070.92222
Marshall County40,14839,981-0.41515
Mills County15,05315,0630.15251
Mitchell County10,57010,56907170
Monona County8,7468,679-0.88484
Monroe County7,8157,790-0.38787
Montgomery County10,11110,003-1.17474
Muscatine County42,89242,9290.11413
O'Brien County13,81213,8400.25656
Osceola County6,0396,04009696
Page County15,26315,249-0.15050
Palo Alto County9,0598,929-1.48183
Plymouth County25,09125,09502525
Pocahontas County6,8406,740-1.59393
Polk County481,086487,2041.311
Pottawattamie County93,51093,533099
Poweshiek County18,56318,6990.73737
Ringgold County5,0294,968-1.29898
Sac County9,7969,719-0.87575
Scott County172,692173,2830.333
Shelby County11,57711,57806565
Sioux County34,84134,9090.22020
Story County97,26098,1050.977
Tama County17,05516,904-0.94444
Taylor County6,1486,1910.79595
Union County12,48112,359-16061
Van Buren County7,1647,020-28990
Wapello County35,10735,2050.31919
Warren County50,10251,0561.91111
Washington County22,25722,141-0.52727
Wayne County6,4866,401-1.39494
Webster County36,64336,277-11818
Winnebago County10,58810,518-0.77071
Winneshiek County20,13120,029-0.53233
Woodbury County102,052102,5390.566
Worth County7,4617,453-0.18888
Wright County12,74912,690-0.55959


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