ZIP Code 61840

Zip Code: 61840
Type: Standard
Official USPS city name: Dewey
Official USPS State Code: IL
Official State Name: Illinois
ZCTA: TRUE
Population: 619.0
Density: 7.2
Primary Official County Code: 17019
Primary Official County Name: Champaign
Official County Name: Champaign
Official County Code: 17019
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (18:56 PM Thursday, September 18 2025-09-18 (GMT -0500))
Geo Point: 40.3037, -88.29894