Los Lunas is a village in Valencia County, New Mexico, in the United States. As of the census, the village population is , inside the village limits due to the new housing developments at El Cerro de Los Lunas Huning Ranch It is the county seat of Valencia County..Los Lunas, NM . Favorite Share More Directions Sponsored Topics. Description Legal. Help Show Labels. SATELLITE You can customize the map before you print! Click the map and drag to move the map around. Position your mouse over the map and use your mouse wheel to zoom in or out..