Dubuque County's estimated 2026 population is 99,750 with a growth rate of 0.26% in the past year according to the most recent United States census data. Dubuque County is the 9th largest county in Iowa. The 2010 population was 93,933 and has seen a growth of 6.19% since that time.
Data after 2023 is projected based on recent change
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.
White (89.85%)
Two or more races (4.15%)
Black or African American (2.92%)
Asian (1.24%)
Other race (0.98%)
Native Hawaiian or Pacific Islander (0.76%)
Native American (0.11%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 88,908 | 89.85% |
| Two or more races | 4,104 | 4.15% |
| Black or African American | 2,890 | 2.92% |
| Asian | 1,225 | 1.24% |
| Other race | 966 | 0.98% |
| Native Hawaiian or Pacific Islander | 748 | 0.76% |
| Native American | 107 | 0.11% |
Married
Widowed
Divorced
Separated
Never Married
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%.
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 |
Average Income
Median Household Income
Poverty Rate
