Black Hawk County's estimated 2026 population is 134,686 with a growth rate of 0.88% in the past year according to the most recent United States census data. Black Hawk County is the 5th largest county in Iowa. The 2010 population was 131,164 and has seen a growth of 2.69% since that time.
Data after 2023 is projected based on recent change
The racial composition of Black Hawk County includes 80.44% White, 9.61% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White (80.44%)
Black or African American (9.61%)
Two or more races (4.5%)
Asian (2.47%)
Other race (2.02%)
Native Hawaiian or Pacific Islander (0.54%)
Native American (0.41%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 105,125 | 80.44% |
| Black or African American | 12,565 | 9.61% |
| Two or more races | 5,880 | 4.5% |
| Asian | 3,232 | 2.47% |
| Other race | 2,643 | 2.02% |
| Native Hawaiian or Pacific Islander | 706 | 0.54% |
| Native American | 542 | 0.41% |
Married
Widowed
Divorced
Separated
Never Married
Black Hawk County's average per capita income is $46,854. Household income levels show a median of $64,581. The poverty rate stands at 14.71%.
Name | Median | Mean |
|---|---|---|
| Married Families | $103,122 | $128,472 |
| Families | $86,319 | $111,282 |
| Households | $64,581 | $89,098 |
| Non Families | $42,099 | $55,614 |
Average Income
Median Household Income
Poverty Rate
