Black Hawk County's estimated 2026 population is 131,591 with a growth rate of 0.04% 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 0.33% since that time.
Data after 2023 is projected based on recent change
Overall: 35.7 years
Female: 36.3 years
Male: 35.2 years
There are 102,305 adults, (23,138 of whom are seniors) in Black Hawk County.
Female: 66,638 (50.8%)
Male: 64,411 (49.2%)
The racial composition of Black Hawk County includes 79.47% White, 9.26% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 104,148 | 79.47% |
| Black or African American | 12,135 | 9.26% |
| Two or more races | 6,664 | 5.09% |
| Asian | 3,565 | 2.72% |
| Other race | 3,191 | 2.43% |
| Native Hawaiian or Pacific Islander | 964 | 0.74% |
| Native American | 382 | 0.29% |
Black Hawk County's average per capita income is $48,311. Household income levels show a median of $66,417. The poverty rate stands at 14.95%.
Name | Median | Mean |
|---|---|---|
| Married Families | $103,785 | $126,178 |
| Families | $86,857 | $109,600 |
| Households | $66,417 | $89,163 |
| Non Families | $44,259 | $58,498 |
Average Income
Median Household Income
Poverty Rate
