Clarke County's estimated 2026 population is 9,310 with a growth rate of -1.14% in the past year according to the most recent United States census data. Clarke County is the 78th largest county in Iowa. The 2010 population was 9,321 and has seen a growth of -0.12% since that time.
Data after 2023 is projected based on recent change
The racial composition of Clarke County includes 85.9% White, 6.4% other race, and smaller percentages for Asian, Native American, Black or African American and multiracial populations.
White (85.9%)
Two or more races (7.03%)
Other race (6.4%)
Asian (0.58%)
Native American (0.05%)
Black or African American (0.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,324 | 85.9% |
| Two or more races | 681 | 7.03% |
| Other race | 620 | 6.4% |
| Asian | 56 | 0.58% |
| Native American | 5 | 0.05% |
| Black or African American | 4 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Clarke County's average per capita income is $41,913. Household income levels show a median of $66,821. The poverty rate stands at 13.76%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,623 | - |
| Families | $79,155 | $94,940 |
| Households | $66,821 | $85,744 |
| Non Families | $36,516 | $63,068 |
Average Income
Median Household Income
Poverty Rate
