Population density (sq mi)1,9185791
Median age37.338.037.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)52%60%55%
Families w/ Kids under 1843%44%43%
Speak English96%92%79%
Speak Spanish1%4%13%

Key findings

  • The population density in Dubuque is 3265% higher than Iowa
  • The median age in Dubuque is 2% lower than Iowa
  • In Dubuque 90.70% of the population is White
  • In Dubuque 4.07% of the population is Black
  • In Dubuque 1.50% of the population is Asian

Compare Dubuque, IA Demographics


      Dubuque population breakdown by race

      American Indian0.08%0.32%0.82%
      Native Hawaiian0.58%0.08%0.18%
      Mixed race2.65%1.97%3.06%
      Other race0.43%1.27%4.75%
      In Dubuque, 2.7% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Dubuque age breakdown

      Marital status

      Age of children in married couples

      Source: The Dubuque, IA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).