Livingston, occasionally referred to as L-Town by locals, is a city and county seat of Park County, Montana, United States. It is in southwes…Livingston, occasionally referred to as L-Town by locals, is a city and county seat of Park County, Montana, United States. It is in southwestern Montana, on the Yellowstone River, north of Yellowstone National Park. As of the 2020 census, the population of the city was 8,040.