Prairie du Rocher demographics profile

StatisticPrairie du RocherIllinoisNational
Population density (sq mi)1,08922291
Median age34.037.437.7
Male/Female ratio0.8:11.0:11.0:1
Married (15yrs & older)61%55%55%
Families w/ Kids under 1837%44%43%
Speak English98%77%79%
Speak Spanish0%13%13%
Prairie du Rocher, IL has a population of 622 and is the 18,206th largest city in the United States. The population density is 1,089 per sq mi which is 390% higher than the Illinois average and 1102% higher than the national average. The median age in Prairie du Rocher is 34 which is approximately 9% lower than the Illinois average of 37. In Prairie du Rocher, 61% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 79% of Prairie du Rocher residents were born in Illinois, 19% were born out of state, 0% were born outside of the United States and 1% were foreign born.
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Did you know?

  • The population density in Prairie du Rocher is 390% higher than Illinois.
  • The median age in Prairie du Rocher is 9% lower than Illinois.
  • In Prairie du Rocher 96.30% of the population is White.
  • In Prairie du Rocher 0.00% of the population is Black or African American.
  • In Prairie du Rocher 1.29% of the population is Asian.

Compare Prairie du Rocher, IL Demographics To Other Cities

Prairie du Rocher population breakdown by race

RacePrairie du RocherIllinoisNational
Black or African American0.00%14.30%12.63%
American Indian0.00%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race2.41%2.34%3.06%
Other race0.00%5.86%4.75%
In Prairie du Rocher, 0.8% 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

Prairie du Rocher age breakdown

Marital status

Age of children in married couples

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