Hidalgo is a city in Hidalgo County, Texas, United States. The population was 11,198 at the 2010 census, and in 2018 the estimated population was 14,083.
Hidalgo is located in southern Hidalgo County at 26°6′16″N 98°14′47″W / 26.10444°N 98.24639°W / 26.10444; -98.24639 (26.104473, -98.246443). It is located across the Rio Grande (Rio Bravo del Norte) from the Mexican city of Reynosa, Tamaulipas.
One of the southern termini of U.S. Route 281 is at the border crossing in Hidalgo. The highway leads east then north 12 miles (19 km) to Pharr, or southeast 54 miles (87 km) to Brownsville. Texas State Highway 115 runs north from Hidalgo 8 miles (13 km) to McAllen, the largest city in Hidalgo County.
According to the United States Census Bureau, the city of Hidalgo has a total area of 6.7 square miles (17.3 km), of which 6.6 square miles (17.0 km) are land and 0.1 square miles (0.3 km), or 1.84%, are water.
As of the census of 2000, there were 7,322 people, 1,747 households, and 1,593 families residing in the city. The population density was 1,682.2 people per square mile (649.9/km²). There were 1,880 housing units at an average density of 431.9 per square mile (166.9/km²). The racial makeup of the city was 82.12% White, 0.12% African American, 0.29% Native American, 0.12% Asian, 15.45% from other races, and 1.90% from two or more races. Hispanic or Latino of any race were 97.75% of the population.
There were 1,747 households out of which 61.9% had children under the age of 18 living with them, 66.1% were married couples living together, 21.0% had a female householder with no husband present, and 8.8% were non-families. 8.1% of all households were made up of individuals and 4.7% had someone living alone who was 65 years of age or older. The average household size was 4.19 and the average family size was 4.43.
In the city, the population was spread out with 39.0% under the age of 18, 11.6% from 18 to 24, 28.0% from 25 to 44, 14.7% from 45 to 64, and 6.6% who were 65 years of age or older. The median age was 25 years. For every 100 females, there were 88.6 males. For every 100 females age 18 and over, there were 82.4 males.
The median income for a household in the city was $19,469, and the median income for a family was $20,357. Males had a median income of $16,238 versus $13,577 for females. The per capita income for the city was $5,849. About 41.4% of families and 44.3% of the population were below the poverty line, including 51.2% of those under age 18 and 45.5% of those age 65 or over.