- State:IowaCounty:Polk CountyZips:50306,50307,50328,50331,50307,50301,50318,50398,50305,50398,50032,50392,50007,50327,50073,50391,50324,50325,50237,50169,50319,50226,50035,50322,50324,50327,50320,50321,50311,50316,50111,50009,50314,50315,50312,50131,50317,50021,50310,50023,50313,50325,50265,50322,50309,50266Coordinates:41.685394359268805, -93.57343278188164Area total:591.53 sq. mi., 1532.07 sq. km, 378581.76 acresArea land:572.21 sq. mi., 1482.03 sq. km, 366216.32 acresArea water:19.32 sq. mi., 50.04 sq. km, 12365.44 acresEstablished:1846Capital seat:
Des Moines
Address: 111 Court Ave
County Administrative Office Bldg.
Des Moines, IA 50309-2218
Governing Body: Board of Supervisors with 5 board size
Governing Authority: Home Rule
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Polk County, Iowa, United States
- Website:
- Population:492,401; Population change: 14.34% (2010 - 2020)Population density:861 persons per square mileHousehold income:$55,926Households:35,537Unemployment rate:6.00% per 264,807 county labor force
- Sales taxes:6.00%Income taxes:8.98%GDP:$38.10 B, gross domestic product (GDP)
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Polk County's population of Iowa of 69,888 residents in 1930 has increased 1,34-fold to 93,667 residents after 90 years, according to the official 2020 census. U.S. Bureau of the Census beginning in 1900. Data for 1870-1890 are on a de facto or unspecified basis; data for 1900 and later years are resident totals.
Approximately 50.94% female residents and 49.06% male residents live in as of 2020, 58.16% in Polk County, Iowa are married and the remaining 41.84% are single population.
As of 2020, 58.16% in Polk County, Iowa are married and the remaining 41.84% are single population.
- Housing units:210,184 residential units of which 93.68% share occupied residential units.
20.3 minutes is the average time that residents in Polk County require for a one-way commute to work. A long commute can have different effects on health. A Gallup poll in the US found that in terms of mental health, long haul commuters are up to 12 percent more likely to experience worry, and ten percent less likely to feel well rested. The Gallup poll also found that of people who commute 61–90 minutes each day, a whopping one third complained of neck and back pain, compared to less than a quarter of people who only spend ten minutes getting to work.
82.27% of the working population which commute to work alone in their car, 9.89% of the working population which commutes to work in a carpool, 1.68% of the population that commutes using mass transit, including bus, light rail, subway, and ferry. 3.30% of the population that has their home as their principal place of work.
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Of the total residential buildings in Polk County, Iowa 65.41% are owner-occupied homes, another 27.72% are rented apartments, and the remaining 6.87% are vacant.
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The 46.12% of the population in Polk County, Iowa who identify themselves as belonging to a religion are distributed among the following most diverse religions.
Since the 1860s, the two main parties have been the Republican Party (here in 2022 = 41.820%) and the Democratic Party (here in 2022 = 56.430%) of those eligible to vote in Polk County, Iowa.
