City in Illinois
Decatur, IL
- Population
- 68,763 (2024)
- Density
- 1,557 / sq mi
- Land area
- 44.2 sq mi
- Water area
- 4.7 sq mi
- Coordinates
- 39.8560, -88.9337
Resident reviews
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ZIP codes
- 62521
- 62522
- 62523
- 62526
- 62535