Prairie du Rocher, IL

View of Prairie du Rocher, IL
Image credit: David Wilson / CC BY 2.0
Population
510
U.S. Census Population Estimates Program · 2025
Elevation
393 ft
Median Home Value
$88,800
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$773/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$66,161
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Prairie du Rocher

Tucked below towering limestone bluffs in southwestern Illinois, Prairie du Rocher offers a quiet rural setting steeped in early American history. Settled by French colonists in 1722, this small Mississippi River bottoms community is home to around 500 residents who enjoy a relaxed pace of life about an hour south of St. Louis. Just a short drive down Route 155, the historic stone walls of Fort de Chartres highlight the area's frontier past, while the surrounding farmland and river valley create an open, scenic backdrop for everyday living.

Creole House in Prairie du Rocher

Centuries-old traditions remain a unique part of daily life here. Every New Year’s Eve, neighbors celebrate La Guiannée, an 18th-century French caroling custom that has carried on for generations, alongside annual historical rendezvous at the nearby fort. For families considering a move, the village provides everyday essentials with a local elementary school, a community library, and neighborhood parks. It is a peaceful, tight-knit place where you can settle into a slow-paced lifestyle surrounded by historic charm and beautiful bluff country.

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