Columbus is located in Luna county New mexico with a geographic area of 4.7 square miles. The total population in Columbus is 1,044 with 54.0% male and 46.0% female. Children under age 5 represent 2.6% of the population, under age 18 equal 28.2% of the population and over age 65 is 13.7% of the population. The median household income is $21,543, per capita income is $10,054. There are a total of 343 housing units with 72.3% owner occupied. Education includes 14.6% of residents that are high school graduates and 7.0% with a bachelor's degree or higher. The average temperature in Columbus in the summer is 71 degrees, and in the winter 32 degrees.