What is "nilwood"

Population (2000): 284
Housing Units (2000): 117
Land area (2000): 0.465284 sq. miles (1.205081 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.465284 sq. miles (1.205081 sq. km)
FIPS code: 53039
Located within: Illinois (IL), FIPS 17
Location: 39.397248 N, 89.807691 W
ZIP Codes (1990): 62672
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: