ZIP Code 61730

Zip Code: 61730
Type: Standard
Official USPS city name: Cooksville
Official USPS State Code: IL
Official State Name: Illinois
ZCTA: TRUE
Population: 513.0
Density: 6.8
Primary Official County Code: 17113
Primary Official County Name: McLean
Official County Name: McLean
Official County Code: 17113
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (11:16 AM Saturday, June 13 2026-06-13 (GMT -0500))
Geo Point: 40.53249, -88.72938

Map