From a total population of 19,979, Gallup has a median age of 30.2. The average age of males, in Gallup, is 27.7 while the average age of females is 32.7. When you compare this to median age of New Mexico, Gallup is 6.6 years younger.
The median income of individuals, in Gallup, is $18,024 while the average household income is $47,177. When comparing the median income of people living in Gallup to the rest of New Mexico, the average income in Gallup is $5,924 less.