About the town » Las Vegas, San Miguel County, New Mexico, United States

Las Vegas is a city and county seat of San Miguel County, New Mexico, United States. Once two separate municipalities (one a city and the other a town) both named Las Vegas, west Las Vegas ("Old Town") and east Las Vegas ("New Town"), separated by the Gallinas River, retain distinct characters and separate, rival school districts. The population was 14,565 at the 2000 census.