'Blanca' definitions:

Blanca, CO -- U.S. town in Colorado

From: Gazetteer 2000
Name :
Blanca, CO -- U.S. town in Colorado
Population (2000) :
391
Housing Units (2000) :
183
Land area (2000) :
1.780785 sq. miles (4.612213 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
1.780785 sq. miles (4.612213 sq. km)
FIPS code :
07190
Located within :
Colorado (CO), FIPS 08
Location :
37.440569 N, 105.509901 W
ZIP Codes (1990) :
81123
Note :
some ZIP codes may be omitted esp. for suburbs.