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Simpson, IL

View of Simpson, IL
Image credit: Daniel Schwen / CC BY-SA 4.0
Population
45
U.S. Census Population Estimates Program · 2025
Elevation
384 ft
Median Home Value
$84,000
U.S. Census American Community Survey 5-Year · 2024
Median Income
$36,250
U.S. Census American Community Survey 5-Year · 2024

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Simpson in context.

OverallBest places in IllinoisPopulation rankingHighest population places in IllinoisNearest larger communityMarion, Illinois21 miles away · 17,148 residents.

About Simpson

Simpson is a village in Johnson County, Illinois, United States. The 2020 census counted 44 residents. Simpson is located in eastern Johnson County in the valley of Cedar Creek, a south-flowing tributary of Bay Creek and part of the Ohio River watershed. Illinois Route 147 passes through the village, leading southwest 9 miles to Vienna, the county seat, and east 5 miles to its terminus at Glendale. Taken together, these details give a newcomer a usable picture of Simpson, where its history, geography, and current gathering places meet. For Simpson, the memorable detail is the way older history and current gathering places share one local map.

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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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