Benton County's estimated 2026 population is 26,163 with a growth rate of 0.61% in the past year according to the most recent United States census data. Benton County is the 24th largest county in Iowa. The 2010 population was 26,049 and has seen a growth of 0.44% since that time.
Data after 2023 is projected based on recent change
Overall: 43.1 years
Female: 44 years
Male: 42.3 years
There are 19,843 adults, (5,093 of whom are seniors) in Benton County.
Female: 12,777 (49.7%)
Male: 12,947 (50.3%)
The racial composition of Benton County includes 94.76% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 24,375 | 94.76% |
| Two or more races | 837 | 3.25% |
| Other race | 319 | 1.24% |
| Black or African American | 107 | 0.42% |
| Asian | 60 | 0.23% |
| Native American | 26 | 0.1% |
Benton County's average per capita income is $57,237. Household income levels show a median of $86,962. The poverty rate stands at 7.38%.
Name | Median | Mean |
|---|---|---|
| Married Families | $114,772 | - |
| Families | $107,203 | $121,503 |
| Households | $86,962 | $101,158 |
| Non Families | $41,167 | $55,004 |
Average Income
Median Household Income
Poverty Rate
