Overview
18,628
Total Population
40.7
Median age
51.39%
Female population %
94.6:100
Gender ratio (M:F)
15-19 years
Largest age group
58.4
Total dependency ratio
White
Largest racial group
625
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Poweshiek County's population is old compared to the rest of the country:
- The median age in Poweshiek County is 40.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Poweshiek County's population under 18 was 20.04%, compared to the 22.51% nationwide.
- Poweshiek County's elderly or the senior population (over 65 age) was 20.36% as compared to 16.04% nationwide.
- Of the total population in Poweshiek County, 16.51% were under the age of 15, 23.22% aged 15 to 29, 39.91% aged 30 to 64, 17.65% aged 65 to 84, and 2.71% were 85 years of age and older.
Read more about Poweshiek County, IA population by age ➔
Gender
There are 516 more females than males in Poweshiek County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.39% females and 48.61% males in Poweshiek County, IA.
- The Poweshiek County, IA gender ratio is 94.6:100 i.e. 94.6 men to 100 women (0.946).
- For male population, the largest age group is 20-24 years with a population of 908.
- For the female population, the largest age group is 15-19 years with a population of 1,002.
Read more about Poweshiek County, IA population by gender ➔
Race / Ethnicity
Poweshiek County's population has become increasingly diverse:
- Racial distribution of Poweshiek County population: 92.45% are White, 1.23% are Black or African American, 0.26% are American Indian and Alaska Native, 2.16% are Asian, 1.12% are some other race and 2.78% are multiracial.
- Poweshiek County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 625 is Hispanic or Latino (of any race), and 18,003 (96.64% of the total population) is Non-Hispanic.
- The largest racial group in Poweshiek County is White with a population of 17,221 (92.45% of the total population).
Read more about Poweshiek County, IA population by race ➔
Year by year
Poweshiek County's population has already reached its peak and is showing a trend of decline:
- The peak population was 18,926 in the year 2010
- From 2000 to 2010, Poweshiek County's population increased by 44 (0.23%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Poweshiek County's population decreased by 298 (1.57%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Poweshiek County's population was lowest in year 2016 at 18,297.
Read more about Poweshiek County, IA population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)