'Rock Valley, IA' definitions:

Rock Valley, IA -- U.S. city in Iowa

From: Gazetteer 2000
Name :
Rock Valley, IA -- U.S. city in Iowa
Population (2000) :
2702
Housing Units (2000) :
1202
Land area (2000) :
1.688887 sq. miles (4.374196 sq. km)
Water area (2000) :
0.052307 sq. miles (0.135474 sq. km)
Total area (2000) :
1.741194 sq. miles (4.509670 sq. km)
FIPS code :
68205
Located within :
Iowa (IA), FIPS 19
Location :
43.201624 N, 96.296379 W
ZIP Codes (1990) :
51247
Note :
some ZIP codes may be omitted esp. for suburbs.