Poweshiek County's estimated 2026 population is 18,368 with a growth rate of -0.23% in the past year according to the most recent United States census data. Poweshiek County is the 37th largest county in Iowa. The 2010 population was 18,926 and has seen a growth of -2.95% since that time.
Data after 2023 is projected based on recent change
The racial composition of Poweshiek County includes 91.63% White, and smaller percentages for Asian, Black or African American, other race, Native American and multiracial populations.
White (91.63%)
Two or more races (3.66%)
Asian (2.09%)
Black or African American (1.26%)
Other race (1.13%)
Native American (0.23%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 17,026 | 91.63% |
| Two or more races | 681 | 3.66% |
| Asian | 389 | 2.09% |
| Black or African American | 234 | 1.26% |
| Other race | 210 | 1.13% |
| Native American | 42 | 0.23% |
Married
Widowed
Divorced
Separated
Never Married
Poweshiek County's average per capita income is $48,903. Household income levels show a median of $64,837. The poverty rate stands at 11.11%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,577 | - |
| Families | $91,543 | $114,513 |
| Households | $64,837 | $86,811 |
| Non Families | $37,829 | $47,584 |
Average Income
Median Household Income
Poverty Rate
