Yellowstone County is the most populous county in the U.S. state of Montana. As of the 2020 census, the population was 164,731. Its county seat is Billings, the state's most populous city. Like the nearby park, Yellowstone County is named after the Yellowstone River which roughly bisects the county, flowing southwest to northeast. The river, in turn, was named for the yellow sandstone cliffs in what is now Yellowstone County.
Park County is a county in the U.S. state of Montana. At the 2020 census, the population was 17,191. Its county seat is Livingston. A small part of Yellowstone National Park is in the southern part of the county.
Gallatin County is located in the U.S. state of Montana. With its county seat in Bozeman, it is the second-most populous county in Montana, with a population of 118,960 in the 2020 Census.
Niwot is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, Colorado Metropolitan Statistical Area. The Niwot post office has the ZIP Codes 80503 and 80544. At the United States Census 2020, the population of the Niwot CDP was 4,306.
Busby is a census-designated place (CDP) in Big Horn County, Montana, United States. It is on the Northern Cheyenne reservation. The population was 745 at the 2010 census.
Belfry is a census-designated place (CDP) in Carbon County, Montana, United States. It is part of the Billings, Montana Metropolitan Statistical Area. The population was 218 at the 2010 census. It is located approximately 11 miles (18 km) from the Wyoming border, roughly halfway between Billings, Montana and Cody, Wyoming.
Black Eagle is a census-designated place (CDP) in Cascade County, Montana, United States. The population was 904 at the 2010 census. It is a suburb of Great Falls.
Four Corners is a census-designated place (CDP) in Gallatin County, Montana, United States. The population was 5,901 at the 2020 census, up from 3,146 in 2010. It is part of the Bozeman, MT Micropolitan Statistical Area.
West Yellowstone is a town in Gallatin County, Montana, United States, adjacent to Yellowstone National Park. The population was 1,272 at the 2020 census. West Yellowstone is served by Yellowstone Airport. It is part of the Bozeman, MT Micropolitan Statistical Area.
East Glacier Park is an unincorporated community and census-designated place (CDP) in Glacier County, Montana, United States. As of the 2020 census, it had a population of 354.
Cooke City-Silver Gate was a census-designated place (CDP) in Park County, Montana, United States, corresponding to the unincorporated communities of Cooke City and Silver Gate. The population was 140 at the 2000 census. Starting with the 2010 census, the two communities were listed as separate CDPs. The communities sit toward the northeast of Yellowstone National Park on the Beartooth Highway.
Park City is a census-designated place (CDP) in Stillwater County, Montana, United States. The population was 870 at the 2000 census.
Ballantine is a census-designated place (CDP) in Yellowstone County, Montana, United States. It lies approximately nine miles (14 km) northeast of Billings on Interstate 94. The population was 346 at the 2000 census. Ballantine, along with the communities of Pompey's Pillar, Worden, and Huntley, is part of the Huntley Project, an irrigation district created by the United States Bureau of Reclamation. The majority of Ballantine's population lives on scattered farms and ranches surrounding the actual townsite.
Custer is a village in Yellowstone County, Montana, United States. The population was 145 at the 2000 census.
Huntley is a census-designated place (CDP) in Yellowstone County, Montana, United States. The population was 411 at the 2000 census. Huntley lent its name to the Huntley Project, a federal irrigation project that began delivering water to the arid district in 1907. Today, Huntley is an eastern suburb of Billings and is located east of Shepherd and west of Worden.
Lockwood is a census-designated place (CDP) in Yellowstone County, Montana, United States. It is not an organized city or town. Lockwood had the largest growth rate in the state of Montana with 57.8% growth since 2000. The 2020 census put Lockwood's population at 7,195. Lockwood is a suburb of Billings and is the second largest community in the Billings Metropolitan Area. Annexation of Lockwood to Billings has been studied; however, the June 2009 Billings City Council Annexation Plan states that the city has no plans to annex Lockwood in the foreseeable future. Lockwood is the site of a major Exxon refinery.
Shepherd is a census-designated place (CDP) in Yellowstone County, Montana, United States. The population was 193 at the 2000 census. Shepherd is a Billings suburb located to the northeast. The unincorporated town was named after R.E. Shepherd, a prominent early settler and owner of the Billings Land and Irrigation Company and the Merchants National Bank. The post office opened in 1915.
Worden is a census-designated place (CDP) in Yellowstone County, Montana, United States. The population was 582 at the 506 at the 2020 census. Worden, along with Ballantine, Huntley, and Pompey's Pillar, is part of the Huntley Project, an irrigation district established by the United States Bureau of Reclamation in 1907.
West Glendive is a census-designated place (CDP) in Dawson County, Montana, United States. The population was 1,998 at the 2020 census.
Milroy is a census-designated place (CDP) that is located in the Kishacoquillas Valley of Mifflin County, Pennsylvania, United States. The population was 1,386 at the time of the 2000 census.