Decatur, IL

View of Decatur, IL
Image credit: Gil Lebois / CC0
Population
67,884
U.S. Census Population Estimates Program · 2025
Elevation
678 ft
Median Home Value
$99,600
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$845/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$51,592
U.S. Census American Community Survey 5-Year · 2024

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Decatur in context.

About Decatur

Decatur is a central Illinois city on the Sangamon River, named for naval hero Stephen Decatur. It has long been an industrial and agricultural processing center, with a regional economy tied to manufacturing, grain, and food production. Millikin University gives the city a college presence, and the Decatur Municipal Band dates back to 1857. Decatur feels like a working Midwestern city: substantial, practical, and shaped by factories, rail lines, lakefront recreation, and older neighborhoods.

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