StatisticAssumptionIllinoisNational
Population1,22812,671,821328,239,523
Population density (sq mi)1,39622891
Median age39.037.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)60%55%55%
Families w/ Kids under 1846%44%43%
Speak English99%77%79%
Speak Spanish1%13%13%

Key findings

  • The population density in Assumption is 512% higher than Illinois
  • The median age in Assumption is 4% higher than Illinois
  • In Assumption 94.46% of the population is White
  • In Assumption 0.16% of the population is Black
  • In Assumption 0.00% of the population is Asian

Compare Assumption, IL Demographics

      vs

      Assumption population breakdown by race

      RaceAssumptionIllinoisNational
      White94.46%72.14%73.35%
      Black0.16%14.30%12.63%
      Asian0.00%5.10%5.22%
      American Indian0.00%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race5.37%2.34%3.06%
      Other race0.00%5.86%4.75%
      In Assumption, 0.0% 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

      Assumption age breakdown

      Marital status

      Age of children in married couples

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