Mora County (Spanish: Condado de Mora) is a county in the U.S. state of New Mexico. As of the 2020 census, the population was 4,189. Its county seat is the census-designated place (CDP) Mora. The county has another CDP, Watrous, a village, Wagon Mound, and 12 smaller unincorporated settlements. Mora became a formal county in the US, in what was then the New Mexico Territory, on February 1, 1860. Ecclesiastically, the county is within the Roman Catholic Archdiocese of Santa Fe. County population peaked at approximately 14,000 circa 1920, declining to about 4,000 to 5,000 since the 1970s; the 2018 estimate was 4,506.