Yellowstone County, Montana

Yellowstone County, Montana
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.
Yellowstone County is included in the Billings, Montana Metropolitan Statistical Area.
Geography
According to the United States Census Bureau, the county has a total area of , of which is land and (0.6%) is water.
Major highways
Transit
Billings Metropolitan Transit
Express Arrow
Jefferson Lines
Adjacent counties
Musselshell County – north
Rosebud County – northeast
Treasure County – east
Big Horn County – southeast
Carbon County – southwest
Stillwater County – west
Golden Valley County – northwest
National protected areas
Nez Perce National Historical Park (part)
Pompeys Pillar National Monument
Demographics
2020 census
As of the census of 2020 there were 164,731 people.
2010 census
As of the census of 2010, there were 147,972 people, 60,672 households, and 38,367 families residing in the county. The population density was . There were 63,943 housing units at an average density of . The racial makeup of the county was 90.7% white, 4.0% American Indian, 0.6% black or African American, 0.6% Asian, 0.1% Pacific islander, 1.2% from other races, and 2.8% from two or more races. Those of Hispanic or Latino origin made up 4.7% of the population. In terms of ancestry, 32.4% were German, 14.0% were Irish, 11.3% were English, 10.0% were American, and 9.9% were Norwegian.
Of the 60,672 households, 30.5% had children under the age of 18 living with them, 48.0% were married couples living together, 10.5% had a female householder with no husband present, 36.8% were non-families, and 29.7% of all households were made up of individuals. The average household size was 2.38 and the average family size was 2.94. The median age was 38.3 years.
The median income for a household in the county was $48,641 and the median income for a family was $62,380. Males had a median income of $42,899 versus $30,403 for females. The per capita income for the county was $26,152. About 7.9% of families and 11.2% of the population were below the poverty line, including 15.6% of those under age 18 and 7.7% of those age 65 or over.
Politics
Yellowstone County is rather conservative for an urban county. Its voters have been reliably Republican for the better part of a century. They have selected the Democratic Party candidate in only one national election since 1940 (as of 2020).
Communities
Cities
Billings (county seat)
Laurel
Town
Broadview
Census-designated places
Acton
Ballantine
Custer
Huntley
Lockwood
Mountain View Colony
Nibbe
Pompeys Pillar
Shepherd
Worden
Other unincorporated communities
Anita
Billings Heights
Bull Mountain
Comanche
Hesper
Homewood Park
Indian Arrow
Newton
Osborn
Yegen
Ghost towns
Coulson
Mossmain
Rimrock
Waco
See also
List of lakes in Yellowstone County, Montana
List of mountains in Yellowstone County, Montana
National Register of Historic Places listings in Yellowstone County, Montana
References
External links
County website
Billings metropolitan area
1883 establishments in Montana Territory
Populated places established in 1883