Arroyo Seco is a census-designated place in Taos County near Taos, New Mexico. Arroyo Seco's economy is based on tourism and services to residents of retirement and vacation homes.
Arroyo Seco has a post office, with the ZIP code 87514. The 87514 ZIP Code Tabulation Area had a population of 1,310 at the 2000 census, with 996 housing units, a land area of 53.63 sq. miles, a water area of 0.05 sq. mile, and a population density of 24.43 people per sq. mile at Census 2000. Arroyo Seco's elevation is 7,634 feet.
Arroyo Seco was settled in 1804, on a Spanish land grant made on October 7, 1745. The Church of the Most Holy Trinity was completed in 1834 and has recently been restored.
Overlooking Arroyo Seco stands Lucero Peak, a 10,780 feet (3,290 m) rock formation.