Union County, New Mexico
Union County | |
|---|---|
Union County Courthouse in Clayton | |
Location within the U.S. state of New Mexico | |
New Mexico's location within the U.S. | |
| Coordinates: 36°29′N 103°28′W / 36.48°N 103.47°W | |
| Country | United States |
| State | New Mexico |
| Founded | January 1, 1894 |
| Seat | Clayton |
| Largest town | Clayton |
| Area | |
• Total | 3,831 sq mi (9,920 km2) |
| • Land | 3,824 sq mi (9,900 km2) |
| • Water | 7.1 sq mi (18 km2) 0.2% |
| Population (2020) | |
• Total | 4,079 |
| • Density | 1.1/sq mi (0.4/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | 3rd |
| Website | unionnm |
Union County (Spanish: Condado de la Unión) is the easternmost county in the U.S. state of New Mexico. As of the 2020 census, the population was 4,079, making it the fourth-least populous county in New Mexico. Its county seat is Clayton. The county was formed in 1894. Union County borders Colorado to the north, and Oklahoma and Texas to the east.