Population

Billings is Montana’s Largest City

Yellowstone County maintains the status as the most populated county in Montana. Billings, the business, transportation and sales hub between Denver and Calgary, Seattle and Minneapolis, is the largest city and the county seat in Yellowstone County. With a 2020 population of 117,116, Billings is the largest city in Montana and the 282nd largest city in the United States. Billings is currently growing at a rate of 0.14% annually and its population has increased by 5.47% since the most recent census, which recorded 104,170 people in 2010. The county population is estimated at 184,167 (2020). The major industries driving the economy of Billings are agriculture, energy, transportation, healthcare, education and manufacturing. Shopping and cultural activities draw visitors from a large area as well. Continue exploring Billings by clicking here. Or, learn more about the population and all the Billings area has to offer with our Relocation Guide.