Poweshiek County Population 2017

Poweshiek County's estimated population is 18,533 with a growth rate of 0.11% in the past year according to the most recent United States census data. Poweshiek County is the 37th largest county in Iowa.

Year Population Growth Growth Rate
201618,533210.11%
201518,512-155-0.83%
201418,667350.19%
201318,632-134-0.71%
201218,766-101-0.54%
201118,867-41-0.22%
201018,908-125-0.66%
199019,033-273-1.41%
198019,3065032.68%
197018,803-497-2.58%
196019,300-44-0.23%
195019,3445863.12%
194018,758310.17%
193018,727-1,183-5.94%
192019,9103211.64%
191019,5891750.90%
190019,4141,0205.55%
189018,394-542-2.86%
188018,9363,35521.53%
187015,5819,913174.89%
18605,6685,053821.63%
18506150.00%

Poweshiek County Population Growth

Population Data via

Poweshiek County Race Data

Race Population Percentage
White17,49794.41%
Asian3431.85%
Black or African American3151.70%
Two or More Races2731.47%
American Indian and Alaska Native590.32%
Native Hawaiian and Other Pacific Islander250.13%

Poweshiek County Population Pyramid

0k0k0k1k1k1kPoweshiek County Male Population0k0k0k1k1k1kPoweshiek County Female Population

Population of Cities in Poweshiek County

City 2010 Census 2016 Estimated Growth Growth Rate
Grinnell92219151-70-0.76%
Montezuma14621424-38-2.60%
Brooklyn14781413-65-4.40%
Malcom287276-11-3.83%
Deep River279269-10-3.58%
Searsboro148144-4-2.70%
Hartwick8681-5-5.81%
Guernsey6361-2-3.17%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990