Soham, New MexicoSoham is an unincorporated community and census-designated place in San Miguel County, New Mexico, United States. Its population was 210 as of the 2010 census. The community is located near Exit 319 on Interstate 25.GeographyAccording to the U.S. Census Bureau, the community has an area of, all land.EducationIt is within Pecos Independent Schools.