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St. Johns, IL

Population
158
U.S. Census Population Estimates Program · 2025
Elevation
463 ft
Median Home Value
$80,000
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$720/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$62,500
U.S. Census American Community Survey 5-Year · 2024

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St. Johns in context.

OverallBest places in IllinoisPopulation rankingHighest population places in IllinoisNearest larger communityHerrin, Illinois20 miles away · 12,268 residents.

About St. Johns

St. Johns is a village in Perry County, Illinois, United States. The 2020 census counted 163 residents. The village was named in 1856 after St. John's Day. A newcomer can read St. Johns through the overlap of its older landmarks, surrounding geography, and current places. For a newcomer, St. Johns comes into focus through those concrete links among its past, landscape, and current routines.

Top Rating Signals

Highest current ratings for this town.

Lower County Wildfire Hazard Potential ClassA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow PopulationA+100.0rating

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