StatisticPeruIllinoisNational
Population9,91312,671,821328,239,523
Population density (sq mi)1,04922891
Median age45.837.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)60%55%55%
Families w/ Kids under 1836%44%43%
Speak English94%77%79%
Speak Spanish4%13%13%

Key findings

  • The population density in Peru is 360% higher than Illinois
  • The median age in Peru is 22% higher than Illinois
  • In Peru 98.49% of the population is White
  • In Peru 0.14% of the population is Black
  • In Peru 0.24% of the population is Asian

Compare Peru, IL Demographics

      vs

      Peru population breakdown by race

      RacePeruIllinoisNational
      White98.49%72.14%73.35%
      Black0.14%14.30%12.63%
      Asian0.24%5.10%5.22%
      American Indian0.00%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race0.85%2.34%3.06%
      Other race0.28%5.86%4.75%
      In Peru, 6.9% 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

      Peru age breakdown

      Marital status

      Age of children in married couples

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