The county of Hidalgo is one of the counties in which the North American state of New Mexico is divided. According to the 2000 census it has a population of 5,932 inhabitants, which has dropped since its peak reached in 1980 with 6,049 inhabitants, more than half of the population lives in the city of Lordsburg, which is the county seat. Hidalgo County was created on February 25,1919 with the southern tip of Grant County. According to the Blue Book 2001/2 of New Mexico, the name of the county was taken by the Mexican population of Guadalupe Hidalgo, now Gustavo A.
Madero, Federal District, and where the Treaty of Guadalupe Hidalgo was signed, which ended with the American intervention in Mexico and for which the territory that is the state of New Mexico was annexed to the United States. However, other sources point out that the name is in honor of Miguel Hidalgo y Costilla, Father of the Independence of Mexico.