'Armstrong County, TX' definitions:

Armstrong -- U.S. County in Texas

From: Gazetteer 2000
Name :
Armstrong -- U.S. County in Texas
Population (2000) :
2148
Housing Units (2000) :
920
Land area (2000) :
913.632128 sq. miles (2366.296248 sq. km)
Water area (2000) :
0.177237 sq. miles (0.459042 sq. km)
Total area (2000) :
913.809365 sq. miles (2366.755290 sq. km)
Located within :
Texas (TX), FIPS 48
Location :
35.006834 N, 101.371120 W