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Thayer, IL

Population
615
U.S. Census Population Estimates Program · 2025
Elevation
644 ft
Median Home Value
$97,100
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$968/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$62,083
U.S. Census American Community Survey 5-Year · 2024

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Thayer in context.

OverallBest places in IllinoisPopulation rankingHighest population places in IllinoisNearest larger communityChatham, Illinois9.9 miles away · 14,579 residents.

About Thayer

Thayer is a village in Sangamon County, Illinois, United States. The 2020 census counted 632 residents. Thayer is part of the Springfield, Illinois Metropolitan Statistical Area. The short version is that Thayer carries an earlier story into the places people know and use now. That is the local read on Thayer: its past remains attached to the places people use now.

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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