Mills County's estimated 2026 population is 14,867 with a growth rate of 0.51% in the past year according to the most recent United States census data. Mills County is the 51st largest county in Iowa. The 2010 population was 15,076 and has seen a growth of -1.39% since that time.
Data after 2023 is projected based on recent change
The racial composition of Mills County includes 94.36% White, and smaller percentages for Asian, Black or African American, other race, Native American and multiracial populations.
White (94.36%)
Two or more races (4.49%)
Asian (0.43%)
Black or African American (0.38%)
Other race (0.21%)
Native American (0.12%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,742 | 94.36% |
| Two or more races | 654 | 4.49% |
| Asian | 62 | 0.43% |
| Black or African American | 56 | 0.38% |
| Other race | 31 | 0.21% |
| Native American | 18 | 0.12% |
Married
Widowed
Divorced
Separated
Never Married
Mills County's average per capita income is $54,560. Household income levels show a median of $87,810. The poverty rate stands at 6.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,646 | - |
| Families | $106,778 | $126,555 |
| Households | $87,810 | $109,588 |
| Non Families | $50,795 | $70,314 |
Average Income
Median Household Income
Poverty Rate
