Billings population

Billings, Montana had an estimated 121,239 residents on July 1, 2025, the 259th-largest city in the US. That is up 16.4% since the 2010 Census and up 32.2% since 2000.

BillingsMontanaPop. 121,239
Population, July 2025
121,239+3.5% since April 2020
People per sq mile
2,63246.1 sq mi of land
Median age
38.818.8% are 65 or older
Households with kids
26.8%with anyone under 18

Population by year, 2000 to 2025

77k88k99k110k121k2000: 91,74020002001: 92,6902002: 93,58420022003: 94,6022004: 95,75320042005: 97,2522006: 98,55420062007: 99,8352008: 101,68620082009: 103,1682010: 104,17020102011: 105,4892012: 106,81120122013: 108,6202014: 108,50220142015: 109,6832016: 109,71520162017: 109,8942018: 109,49020182019: 109,5852020: 117,14720202021: 117,7512022: 119,88520222023: 120,6712024: 121,44520242025: 121,2392025
Darker bars are the April 2000, 2010 and 2020 benchmarks; the rest are July 1 estimates. Source: US Census Bureau population estimates (intercensal 2000-2010, Vintage 2020 and Vintage 2025).
YearPopulationChangeBasis
2025121,239-206Estimate, July 1
2024121,445+774Estimate, July 1
2023120,671+786Estimate, July 1
2022119,885+2,134Estimate, July 1
2021117,751+604Estimate, July 1
2020117,147+7,562April 2020 estimates base
2019109,585+95Estimate, July 1
2018109,490-404Estimate, July 1
2017109,894+179Estimate, July 1
2016109,715+32Estimate, July 1
2015109,683+1,181Estimate, July 1
2014108,502-118Estimate, July 1
2013108,620+1,809Estimate, July 1
2012106,811+1,322Estimate, July 1
2011105,489+1,319Estimate, July 1
2010104,170+1,0022010 Census (April 1)
2009103,168+1,482Estimate, July 1
2008101,686+1,851Estimate, July 1
200799,835+1,281Estimate, July 1
200698,554+1,302Estimate, July 1
200597,252+1,499Estimate, July 1
200495,753+1,151Estimate, July 1
200394,602+1,018Estimate, July 1
200293,584+894Estimate, July 1
200192,690+950Estimate, July 1
200091,740April 2000 estimates base

Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.

Frequently asked questions

What is the population of Billings in 2025?

The Census Bureau estimates Billings had 121,239 residents on July 1, 2025, making it the 259th-largest city in the US.

Is Billings growing?

Yes. Billings has grown 16.4% since the 2010 Census (104,170 people), and grown 3.5% since 2020.

What was the population of Billings in 2000?

About 91,740 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 104,170.

How dense is Billings?

Billings has about 2,632 people per square mile of land (46.1 square miles).

More about Billings

See cost of living, jobs and commutes in Billings, Billings weather by month, or every Billings ZIP code. For the biggest cities in the country, see the largest US cities.