Aztec (Navajo: Kinteel) is a city and county seat of San Juan County, New Mexico, United States. As of the 2010 census, the city population was 6,763. The Aztec Ruins National Monument is located on the north side of the city.
Aztec is located at 36°49′20″N 107°59′34″W (36.8222261, -107.9928455). According to the United States Census Bureau, the city has a total area of 13.1 square miles (34 km2), of which, 13.0 square miles (34 km2) of it is land and 0.1 square miles (0.26 km2) of it (0.8%) is water.
Aztec is part of the Farmington, New Mexico Metropolitan Statistical Area.
As of the census of 2000, there were 6,378 people, 2,330 households, and 1,589 families residing in the city. The population density was 253.1/km² (655.7/mi²). There were 2,545 housing units at an average density of 101.0/km² (261.6/mi²). The racial makeup of the city was 79.23% White, 0.38% African American, 9.31% Native American, 0.14% Asian, 0.13% Pacific Islander, 7.53% from other races, and 3.29% from two or more races.