A combined around 1,000 acres were listed for sale in New Mexico's Los Alamos County recently; the overall value of all Los Alamos County farms and ranches for sale was $19 million. Los Alamos County ranks 31st in the state for the combined amount of land currently advertised for sale. Among cities in Los Alamos County with farms, ranches, hunting land and other land for sale, Los Alamos had the most land for sale. Los Alamos County is New Mexico's 33rd biggest county (109 square miles). It's located in the North Central New Mexico region of New Mexico.