Prairie du Rocher is a city located in Randolph County Illinois. With a 2020 population of 482, it is the 917th largest city in Illinois and the 19364th largest city in the United States. Prairie du Rocher is currently declining at a rate of -2.03% annually and its population has decreased by -3.98% since the most recent census, which recorded a population of 502 in 2020. Spanning over 1 miles, Prairie du Rocher has a population density of 844 people per square mile.
The average household income in Prairie du Rocher is $61,414 with a poverty rate of 11.62%. The median rental costs in recent years comes to $650 per month, and the median house value is $79,800. The median age in Prairie du Rocher is 42.8 years, 38 years for males, and 44.9 years for females.
According to the most recent ACS, the racial composition of Prairie du Rocherwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among hispanic people with a rate of 100.00%.
The highest rate of bachelors degrees is among white people with a rate of 7.48%.
96.98% of Prairie du Rocher residents speak only English, while 3.02% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.02% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Prairie du Rocher is White, with 11.92% below the poverty level.
The race least likely to be in poverty in Prairie du Rocher is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 16.67%, and for those that did not work, the poverty rate was 21.95%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Prairie du Rocher
99.55% of Prairie du Rocher residents were born in the United States, with 67.57% having been born in Illinois. 0.45% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.