Castleton, IN (town, FIPS 10846)
Location: 39.90476 N, 86.05010 W
Population (1990): 37 (34 housing units)
Area: 0.4 sq km (land), 0.0 sq km (water)
Zip code(s): 46250, 46256
Castleton, VA
Zip code(s): 22716
Castleton, VT
Zip code(s): 05735