Farmington is a city in San Juan County, New Mexico. As of the 2000 U.S. Census, this city had a total population of about 37,844 people. Farmington (and surrounding San Juan County) also makes up one of the four Metropolitan Statistical Areas (MSA's) in New Mexico. The U.S. Census Bureau's population estimate in 2006 for Farmington was about 43,573. Farmington is located at the junction of the San Juan River, the Animas River, and the La Plata River, and it is located on the Colorado Plateau in northwestern New Mexico. Farmington is the largest City – and one of only two significant towns – of San Juan County, a huge county of 5,538 square miles (14,340 km2) – one of the largest counties in the United States. Its county seat and the other city in San Juan County is Aztec. Farmington serves as the commercial hub for most of northwestern New Mexico and the Four Corners region of four states. Farmington lies at or near the junction of three important highways U.S. Highway 550, U.S. Highway 64, and New Mexico Highway 371.
The primary industries of San Juan County are in the mining of petroleum, natural gas, and coal. Major coal mines are the Navajo and San Juan mines, operated by BHP Billiton 15 to 19 miles (24 to 31 km) southwest of Farmington. The coal mined from the Navajo and San Juan mines is used entirely for fuel for the nearby Four Corners Generating Station and San Juan Power Plant to produce electric power.
Farmington is known across New Mexico and throughout the southwest for its baseball tournaments, and the Ricketts Ball Park is the home of the Connie Mack World Series. Farmington High School claimed the AAAA Baseball State Championship four years in a row from 2005 through 2008.