Folsom is a village in Union County, New Mexico, United States. Its population was 56 at the 2010 census, down from 75 in 2000. The town was named after Frances Folsom, the fiancée of President Grover Cleveland.

Folsom gives its publish to the clear type site for the Folsom Tradition, a Paleo-Indian cultural sequence dating to amongst 9000 and 8000 BC. The Folsom site, about 8 miles west of the village, was excavated in 1926, and found to have been a marsh-side kill site or camp where 23 bison had been killed using distinctive tools, known as Folsom points.

In the first half of the 19th century, the region was a hunting arena for Comanche, Ute, and Jicarilla Apache Indians. The first white settlement near Folsom was Madison, settled in 1864 and named for its founder, Madison Emery. In 1877, a proclaim office was established. Madison became a ghost town in 1888 subsequently the Colorado and Southern Railroad was completed and Folsom was usual nearby upon the railroad line. The train was held taking place three times near Folsom by Black Jack Ketchum and his gang. The truth robbery in 1899 led to the take control of and hanging of Ketchum.

Folsom prospered in the in advance years, with the largest stockyards west of Fort Worth. Homesteaders moved in and attempted to farm, and the town reached a pinnacle population of nearly 1,000. The Place proved unsuitable for farming, though, because of drought, and large ranches soon replaced the little farms. The town suffered a blow from which it never recovered on August 27, 1908, when a immense rainstorm caused a devastating flood, which approximately destroyed the town and killed 18 people. (Flash flooding from the similar storm also outdoor the bison bones that George McJunkin found in Dead Horse Arroyo, which far ahead became known as the Folsom site.)