Dickinson County's estimated 2026 population is 18,300 with a growth rate of 0.39% in the past year according to the most recent United States census data. Dickinson County is the 38th largest county in Iowa. The 2010 population was 16,669 and has seen a growth of 9.78% since that time.
Data after 2023 is projected based on recent change
The racial composition of Dickinson County includes 94.54% White, and smaller percentages for Asian, other race, Black or African American, Native American and multiracial populations.
White (94.54%)
Two or more races (4.19%)
Asian (0.74%)
Other race (0.45%)
Black or African American (0.06%)
Native American (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,870 | 94.54% |
| Two or more races | 747 | 4.19% |
| Asian | 132 | 0.74% |
| Other race | 81 | 0.45% |
| Black or African American | 10 | 0.06% |
| Native American | 4 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Dickinson County's average per capita income is $46,160. Household income levels show a median of $74,570. The poverty rate stands at 6.27%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,518 | - |
| Families | $102,237 | $127,028 |
| Households | $74,570 | $98,855 |
| Non Families | $44,854 | $59,997 |
Average Income
Median Household Income
Poverty Rate