'Costilla County, CO' definitions:

Costilla -- U.S. County in Colorado

From: Gazetteer 2000
Name :
Costilla -- U.S. County in Colorado
Population (2000) :
3663
Housing Units (2000) :
2202
Land area (2000) :
1227.104456 sq. miles (3178.185817 sq. km)
Water area (2000) :
3.339487 sq. miles (8.649231 sq. km)
Total area (2000) :
1230.443943 sq. miles (3186.835048 sq. km)
Located within :
Colorado (CO), FIPS 08
Location :
37.288723 N, 105.501779 W