Dubuque County Flag

Dubuque County

State:
Iowa
County Seat:
Dubuque

Dubuque County's estimated 2025 population is 99,231 with a growth rate of 0.17% in the past year according to the most recent United States census data. Dubuque County is the 8th largest county in Iowa. The 2010 population was 93,933 and has seen a growth of 5.64% since that time.

99,231
Total Population
163
Population Density (miĀ²)
8
Population Rank (State)
172 0.17%
Annual Population Growth

Dubuque County Population

Dubuque County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Dubuque County includes 89.85% White, and smaller percentages for Black or African American, Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

Race
Population
Percentage (of total)
White88,90889.85%
Two or more races4,1044.15%
Black or African American2,8902.92%
Asian1,2251.24%
Other race9660.98%
Native Hawaiian or Pacific Islander7480.76%
Native American1070.11%

Dubuque County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Dubuque County's average per capita income is $49,232. Household income levels show a median of $75,919. The poverty rate stands at 9.41%.

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$110,197$135,117
Families$98,842$121,878
Households$75,919$98,871
Non Families$42,232$57,432

$49,232

Average Income

$75,919

Median Household Income

9.41%

Poverty Rate