What is "norbourne estates"

Population (2000): 461
Housing Units (2000): 176
Land area (2000): 0.073900 sq. miles (0.191401 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.073900 sq. miles (0.191401 sq. km)
FIPS code: 56550
Located within: Kentucky (KY), FIPS 21
Location: 38.246971 N, 85.647086 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: