Population density (sq mi)10222891
Median age32.737.437.7
Male/Female ratio0.8:11.0:11.0:1
Married (15yrs & older)66%55%55%
Families w/ Kids under 1854%44%43%
Speak English99%77%79%
Speak Spanish1%13%13%

Key findings

  • The population density in Plattville is 55% lower than Illinois
  • The median age in Plattville is 13% lower than Illinois
  • In Plattville 97.24% of the population is White
  • In Plattville 0.39% of the population is Black
  • In Plattville 0.00% of the population is Asian

Compare Plattville, IL Demographics


      Plattville population breakdown by race

      American Indian0.00%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race2.36%2.34%3.06%
      Other race0.00%5.86%4.75%
      In Plattville, 1.6% 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

      Plattville age breakdown

      Marital status

      Age of children in married couples

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