StatisticNorthfieldIllinoisNational
Population5,37412,671,821328,239,523
Population density (sq mi)1,66422891
Median age48.737.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)63%55%55%
Families w/ Kids under 1838%44%43%
Speak English79%77%79%
Speak Spanish4%13%13%

Key findings

  • The population density in Northfield is 630% higher than Illinois
  • The median age in Northfield is 30% higher than Illinois
  • In Northfield 91.12% of the population is White
  • In Northfield 0.33% of the population is Black
  • In Northfield 7.37% of the population is Asian

Compare Northfield, IL Demographics

      vs

      Northfield population breakdown by race

      RaceNorthfieldIllinoisNational
      White91.12%72.14%73.35%
      Black0.33%14.30%12.63%
      Asian7.37%5.10%5.22%
      American Indian0.00%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race1.00%2.34%3.06%
      Other race0.17%5.86%4.75%
      In Northfield, 1.0% 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

      Northfield age breakdown

      Marital status

      Age of children in married couples

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