Polk County , Iowa

Polk County: County in Iowa, United States

Polk County locator map
Location of Polk County on Iowa map.

About

Polk County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 430,640 and a population density of 281 people per km². After 10 years in 2020 county had an estimated population of 494,281 inhabitants. Its county seat is Des Moines. The county was created 175 years ago in 1845.

Polk County Court House image
Polk County Court House
Polk County Court House image

Geography

Polk County is located at 41°41'8"N 93°34'25"W (41.6855000, -93.5735300). It has 2 neighbors: Story County and Warren County.

Polk County map

The largest city of Polk County is Des Moines with a population of 212,312. Other cities include, Ankeny population 70,068, West Des Moines population 69,057, Urbandale population 44,650 and Johnston population 23,092. See all Polk County cities & populated places.

Weather

Polk County forecast: Mostly sunny, with a high near 56. more

Polk County Quick Facts

Population : 494,281 (2020)
Country : United States of America
State : Iowa (United States)
Different from : Polk County
Twitter username : polkcountynews
Area : 1533 km2
Water as percent of area : 3%
Land as percent of area : 97%
Named for : James K. Polk
Altitude : 915 feet / 279 meters
Capital : Des Moines
Establishment : January 01, 1846
Time Zone : America/Chicago
Local time : 03:56:35 (21st October 2021)
Density : 322 Pop. per km² as of 2020
Population growth : 12.88% (2010-2020)
Weather : 56℉ Mostly Sunny 7-days weather

Polk County has 2 neighbours.

Demographics

The population of Polk County increased by 12.88% in 10 years.

Year Population % Change Method
2010 430,640 - census
2011 438,737 1.85% estimation process
2012 444,671 1.33% estimation process
2013 452,657 1.76% estimation process
2014 460,898 1.79% estimation process
2015 467,304 1.37% estimation process
2016 474,277 1.47% estimation process
2017 480,487 1.29% estimation process
2018 485,833 1.1% estimation process
2019 490,161 0.88% estimation process
2020 494,281 0.83% estimation process

Comitatul Polk, Comtat de Polk, Comte de Polk, Comté de Polk, Condado de Polk, Condado han Polk, Contea di Polk, Hrabstwo Polk, Kantono Polk, Okrug Polk, Polk, Polk Kun, Polk Kūn, Polk konderria, Polk megye, Polki maakond, Quan Polk, Quận Polk, bo er ke xian, mqatʿt bwlk, poku jun, polka ka'unti, shhrstan pwlk aywwa, Округ Полк, Полк, Փոլկ շրջան, شهرستان پولک، آیووا, مقاطعة بولك, پولک کاؤنٹی، آئیووا, پوک کاؤنٹی، آئیووا, পোল্ক কাউন্টি, ポーク郡, 波爾克縣

People born in Polk County (1)

American photographer Lyle D. Hawkins was born in Polk County

Other places with the same name (12)

Polk County Populated Places (more)

Cities, Towns, Neighborhoods & Other Populated Places in Polk County.

City Name Population Title
Des Moines 212,312 City in and county seat of Polk County, Iowa, United States, and Iowa federated state capital city
Ankeny 70,068 Suburb in Iowa
West Des Moines 69,057 City in Polk County, Iowa, United States
Urbandale 44,650 City in Polk and Dallas counties, Iowa, United States
Johnston 23,092 City in Iowa, United States
Altoona 19,503 City in Polk County, Iowa, United States
Clive 17,444 Human settlement in Iowa, United States of America
Grimes 15,831 City in Iowa, United States
Pleasant Hill 10,025 American city in Iowa
Bondurant 7,293 City in Polk County, Iowa, United States of America
Polk City 4,961 American city in Iowa
Windsor Heights 4,735 City in Polk County, Iowa, United States
Saylorville 3,301 City in Polk County, Iowa, United States of America
Mitchellville 2,273 City in Iowa, United States
Elkhart 952 American city in Iowa
Runnells 498 City in Polk County, Iowa, United States

Iowa Other Counties (more counties)

County Name Population Title
Linn County 227,854 County in Oregon, United States
Des Moines 212,312 City in and county seat of Polk County, Iowa, United States, and Iowa federated state capital city
Scott County 173,216 County in Tennessee, United States
Johnson County 153,740 County in Iowa, United States
Cedar Rapids 134,027 City in Iowa
Black Hawk County 130,786 County in Iowa, United States
Woodbury County 103,138 County in Iowa, United States of America
Davenport 101,799 County seat of Scott County, Iowa, United States
Story County 98,237 County in Iowa, United States
Dubuque County 97,590 County in Iowa, United States
Dallas County 96,963 County in Iowa, United States
Pottawattamie County 93,328 County in Iowa, United States of America
Sioux City 82,651 City in Iowa, United States of America
Iowa City 75,130 City in Johnson County, Iowa
Ankeny 70,068 Suburb in Iowa
West Des Moines 69,057 City in Polk County, Iowa, United States