Oak Grove demographics profile

StatisticOak GroveIllinoisNational
Population density (sq mi)88522291
Median age34.337.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)45%55%55%
Speak English97%77%79%
Speak Spanish1%13%13%
Oak Grove, IL has a population of 562 and is the 18,837th largest city in the United States. The population density is 885 per sq mi which is 298% higher than the Illinois average and 876% higher than the national average. The median age in Oak Grove is 34 which is approximately 8% lower than the Illinois average of 37. In Oak Grove, 45% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 63% of Oak Grove residents were born in Illinois, 31% were born out of state, 2% were born outside of the United States and 4% were foreign born.

Did you know?

  • The population density in Oak Grove is 298% higher than Illinois.
  • The median age in Oak Grove is 8% lower than Illinois.
  • In Oak Grove 95.91% of the population is Caucasian.
  • In Oak Grove 1.25% of the population is African American.
  • In Oak Grove 0.71% of the population is Asian.

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Oak Grove population breakdown by race

RaceOak GroveIllinoisNational
African American1.25%14.30%12.63%
American Indian1.25%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race0.89%2.34%3.06%
Other race0.00%5.86%4.75%
In Oak Grove, 3.7% 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

Oak Grove age breakdown

Marital status

Age of children in married couples

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