Frankfort demographics profile

StatisticFrankfortIllinoisNational
Population18,41512,851,684318,558,162
Population density (sq mi)1,22322291
Median age43.337.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)72%55%55%
Families w/ Kids under 1846%44%43%
Speak English94%77%79%
Speak Spanish1%13%13%
Frankfort, IL has a population of 18,415 and is the 2,368th largest city in the United States. The population density is 1,223 per sq mi which is 450% higher than the Illinois average and 1250% higher than the national average. The median age in Frankfort is 43 which is approximately 16% higher than the Illinois average of 37. In Frankfort, 72% of the population over 15 years of age are married, 94% speak English and 1% speak Spanish. 75% of Frankfort residents were born in Illinois, 19% were born out of state, 1% were born outside of the United States and 5% were foreign born.
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Did you know?

  • The population density in Frankfort is 450% higher than Illinois.
  • The median age in Frankfort is 16% higher than Illinois.
  • In Frankfort 88.81% of the population is White.
  • In Frankfort 5.27% of the population is Black or African American.
  • In Frankfort 3.72% of the population is Asian.

Compare Frankfort, IL Demographics To Other Cities

Frankfort population breakdown by race

RaceFrankfortIllinoisNational
White88.81%72.14%73.35%
Black or African American5.27%14.30%12.63%
Asian3.72%5.10%5.22%
American Indian0.10%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race1.48%2.34%3.06%
Other race0.62%5.86%4.75%
In Frankfort, 3.9% 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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Frankfort age breakdown

Marital status

Age of children in married couples

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