Representative district forty is composed of Colfax county precincts 1 through 5, 7 through 9, 11 through 16, 19 and 20; Mora county; Rio Arriba county precincts 45 through 47, 49, 56 through 59 and 68 through 74; San Miguel county precincts 9, 10 and 12; and Taos county precincts 30 and 31.