Poweshiek County's estimated 2026 population is 18,313 with a growth rate of -0.3% in the past year according to the most recent United States census data. Poweshiek County is the 38th largest county in Iowa. The 2010 population was 18,926 and has seen a growth of -3.24% since that time.
Data after 2023 is projected based on recent change
Overall: 41 years
Female: 42.1 years
Male: 39.9 years
There are 14,952 adults, (3,967 of whom are seniors) in Poweshiek County.
Female: 9,505 (51.3%)
Male: 9,040 (48.7%)
The racial composition of Poweshiek County includes 90.34% White, and smaller percentages for Asian, Black or African American, other race, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,754 | 90.34% |
| Two or more races | 977 | 5.27% |
| Asian | 380 | 2.05% |
| Black or African American | 193 | 1.04% |
| Other race | 185 | 1% |
| Native American | 56 | 0.3% |
Poweshiek County's average per capita income is $49,327. Household income levels show a median of $67,391. The poverty rate stands at 10.75%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,808 | - |
| Families | $91,973 | $114,265 |
| Households | $67,391 | $90,285 |
| Non Families | $42,321 | $51,781 |
Average Income
Median Household Income
Poverty Rate
