Poweshiek County, Iowa
Poweshiek County: County in Iowa, United States
About
Poweshiek County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 18,914 and a population density of 12 people per km². After 10 years in 2020 county had an estimated population of 18,381 inhabitants. Its county seat is Montezuma. The county was created 182 years ago in 1842.
Quick Facts about Poweshiek County
| Population : | 18,381 (2020) |
| Country : | United States of America |
| State : | Iowa (United States) |
| Area : | 1518 km2 |
| Water as percent of area : | 0.2% |
| Land as percent of area : | 99.8% |
| Altitude : | 961 feet / 293 meters |
| Capital : | Montezuma |
| Establishment : | January 01, 1843 |
| Time Zone : | UTC−05:00 |
| Local time : | 10:50:39 (22nd February 2025) |
| Density : | 12 Pop. per km² as of 2020 |
| Population growth : | -2.9% (2010-2020) |
Geography
Poweshiek County is located at 41°41'11"N 92°31'53"W (41.6864400, -92.5314700). It has 2 neighbors: Mahaska County and Tama County.
Poweshiek County map
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The largest city of Poweshiek County is Grinnell with a population of 9,096. Other cities include, Brooklyn population 1,390, Montezuma population 1,388, Malcom population 275 and Deep River population 268. See all Poweshiek County cities & populated places.
Poweshiek County Populated Places
Cities, towns, neighborhoods & other populated places in Poweshiek County.
| City Name | Population | Title |
|---|---|---|
| Grinnell | 9,096 | City in Poweshiek County, Iowa, United States |
| Brooklyn | 1,390 | City in Iowa, United States |
| Montezuma | 1,388 | City in Poweshiek County, Iowa, United States |
| Malcom | 275 | City in Poweshiek County, Iowa, United States |
| Deep River | 268 | American city in Iowa |
| Searsboro | 145 | Human settlement in Poweshiek County, Iowa, United States of America |
| Hartwick | 81 | American city in Iowa |
| Guernsey | 61 | City in Poweshiek County, Iowa, United States of America |
- Official Website
Official website of Poweshiek County
Poweshiek County has 2 neighbours.
- Mahaska County county in Iowa, United States
- Tama County county in Iowa, United States
- Montezuma
Demographics
According to census records, the population of Poweshiek County decreased by 2.9% in 10 years.
| Year | Population | % Change | Method |
| 1900 | 19,414 | - | demographic balance |
| 1910 | 19,589 | 0.89% | census |
| 2010 | 18,914 | -3.57% | census |
| 2011 | 18,896 | -0.1% | estimation process |
| 2012 | 18,728 | -0.9% | estimation process |
| 2013 | 18,606 | -0.66% | estimation process |
| 2014 | 18,608 | 0.01% | estimation process |
| 2015 | 18,358 | -1.36% | estimation process |
| 2016 | 18,279 | -0.43% | estimation process |
| 2017 | 18,334 | 0.3% | estimation process |
| 2018 | 18,467 | 0.72% | estimation process |
| 2019 | 18,504 | 0.2% | estimation process |
| 2020 | 18,381 | -0.67% | estimation process |
Iowa Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Indiana | 820,445 | A city located in the state of Iowa. |
| Polk County | 494,281 | County in Iowa, United States |
| Linn County | 227,854 | County in Oregon, United States |
| Des Moines | 212,312 | The capital of Iowa. |
| Scott County | 173,216 | County in Tennessee, United States |
| Johnson County | 153,740 | County in Iowa, United States |
| Cedar Rapids | 134,027 | The second most populous 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 | The most populous city in Scott County, Iowa. |
| 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 | The second most populous city in Iowa. |
| Iowa City | 75,130 | The most populous city in Johnson County, Iowa. |
