Black Hawk County Flag

Black Hawk County

State:
Iowa
County Seat:
Waterloo

Black Hawk County's estimated 2025 population is 131,309 with a growth rate of 0.32% 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 0.11% since that time.

131,309
Total Population
232
Population Density (mi²)
5
Population Rank (State)
419 0.32%
Annual Population Growth

Black Hawk County Population

Black Hawk County Population

Data after 2023 is projected based on recent change

Demographics

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.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

Race
Population
Percentage (of total)
White105,12580.44%
Black or African American12,5659.61%
Two or more races5,8804.5%
Asian3,2322.47%
Other race2,6432.02%
Native Hawaiian or Pacific Islander7060.54%
Native American5420.41%

Black Hawk County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
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

$46,854

Average Income

$64,581

Median Household Income

14.71%

Poverty Rate