Lake Petersburg demographics profile

StatisticLake PetersburgIllinoisNational
Population64912,851,684318,558,162
Population density (sq mi)36822291
Median age61.737.437.7
Male/Female ratio0.8:11.0:11.0:1
Married (15yrs & older)84%55%55%
Families w/ Kids under 189%44%43%
Speak English99%77%79%
Speak Spanish1%13%13%
Lake Petersburg, IL has a population of 649 and is the 17,930th largest city in the United States. The population density is 368 per sq mi which is 66% higher than the Illinois average and 306% higher than the national average. The median age in Lake Petersburg is 62 which is approximately 65% higher than the Illinois average of 37. In Lake Petersburg, 84% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 79% of Lake Petersburg residents were born in Illinois, 18% were born out of state, 3% were born outside of the United States and 0% were foreign born.
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Did you know?

  • The population density in Lake Petersburg is 66% higher than Illinois.
  • The median age in Lake Petersburg is 65% higher than Illinois.
  • In Lake Petersburg 96.92% of the population is White.
  • In Lake Petersburg 0.00% of the population is Black or African American.
  • In Lake Petersburg 3.08% of the population is Asian.

Compare Lake Petersburg, IL Demographics To Other Cities

Lake Petersburg population breakdown by race

RaceLake PetersburgIllinoisNational
White96.92%72.14%73.35%
Black or African American0.00%14.30%12.63%
Asian3.08%5.10%5.22%
American Indian0.00%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race0.00%2.34%3.06%
Other race0.00%5.86%4.75%
In Lake Petersburg, 0.0% 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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Lake Petersburg age breakdown

Marital status

Age of children in married couples

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