ZIP Code 61426
About Castleton
Castleton is an unincorporated community in Stark County, Illinois, United States, located 5 miles (8.0 km) northeast of Wyoming. Castleton has a post office with ZIP code 61426.
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Area Profile
US Census (ACS 5-year · Gazetteer)
77
population
25
people / sq mi
$29,800
median home value
29.8
median age
27
housing units
27
households
3.1
land area (sq mi)