Dubuque County's estimated 2026 population is 99,729 with a growth rate of 0.35% 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 6.17% since that time.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 40.1 years
Male: 37.7 years
There are 76,713 adults, (19,152 of whom are seniors) in Dubuque County.
Female: 49,882 (50.4%)
Male: 49,148 (49.6%)
The racial composition of Dubuque County includes 88.91% White, and smaller percentages for Black or African American, Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 88,050 | 88.91% |
| Two or more races | 4,977 | 5.03% |
| Black or African American | 2,932 | 2.96% |
| Asian | 1,354 | 1.37% |
| Other race | 876 | 0.88% |
| Native Hawaiian or Pacific Islander | 802 | 0.81% |
| Native American | 39 | 0.04% |
Dubuque County's average per capita income is $51,814. Household income levels show a median of $77,630. The poverty rate stands at 9.65%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,802 | $138,153 |
| Families | $101,913 | $124,473 |
| Households | $77,630 | $100,177 |
| Non Families | $42,242 | $56,494 |
Average Income
Median Household Income
Poverty Rate
