Science Fair Project Encyclopedia Hidalgo County, Texas Hidalgo
County is a county located in the state of Texas. As of 2000,
the population is 569,463. Its county seat is Edinburg6. Hidalgo
County is named for Miguel Hidalgo y Costilla, the priest who
raised the call for Mexico's independence from Spain. - Brooks
County (north) - Kenedy County (northeast) - Willacy County and
Cameron County (east) - Mexico (south) - Starr County (west) As
of the census2 of 2000, there are 569,463 people, 156,824
households, and 132,829 families residing in the county. The
population density is 140/km² (363/mi²). There are 192,658
housing units at an average density of 47/km² (123/mi²). The
racial makeup of the county is 77.71% White, 0.49% Black or
African American, 0.42% Native American, 0.59% Asian, 0.02%
Pacific Islander, 18.64% from other races, and 2.12% from two or
more races. 88.35% of the population are Hispanic or Latino of
any race. There are 156,824 households out of which 49.70% have
children under the age of 18