Demographics
As of the census of 2000, there were 20,209 people, 6,810 households, and 4,869 families residing in the city. The population density was 1,513.7 people per square mile (584.5/km²). There were 7,349 housing units at an average density of 550.5 per square mile (212.5/km²).
There were 6,810 households out of which 41.1% had children under the age of 18 living with them, 45.3% were married couples living together, 19.8% had a female householder with no husband present, and 28.5% were non-families. 23.8% of all households were made up of individuals and 6.8% had someone living alone who was 65 years of age or older. The average household size was 2.85 and the average family size was 3.39.
In the city the population was spread out with 32.7% under the age of 18, 9.3% from 18 to 24, 28.8% from 25 to 44, 20.3% from 45 to 64, and 8.9% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 91.0 males. For every 100 females age 18 and over, there were 86.2 males.
It has close proximity to Native American reservations, and historic lack of economic development in addition to many mine closures in the last century. As a result of these mine closures, Gallup has a large socioeconomic poor population. The median income for a household in the city was $34,868, and the median income for a family was $39,197. Males had a median income of $33,380 versus $24,441 for females. The per capita income for the city was $15,789. About 16.6% of families and 20.8% of the population were below the poverty line, including 26.8% of those under age 18 and 16.8% of those age 65 or over.
Read more about this topic: Gallup, New Mexico