'Hidalgo County, TX' definitions:

Hidalgo -- U.S. County in Texas

From: Gazetteer 2000
Name :
Hidalgo -- U.S. County in Texas
Population (2000) :
569463
Housing Units (2000) :
192658
Land area (2000) :
1569.746365 sq. miles (4065.624249 sq. km)
Water area (2000) :
12.917617 sq. miles (33.456472 sq. km)
Total area (2000) :
1582.663982 sq. miles (4099.080721 sq. km)
Located within :
Texas (TX), FIPS 48
Location :
26.242291 N, 98.159799 W