Cost of Living in Boulder, MT

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A+
6%
Overall NAT. AVG.
2%
Groceries NAT. AVG.
24%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index Boulder Montana National
Cost of living94102100
Groceries102103100
Health care101102100
Housing76101100
Transportation102100100
Utilities102104100
Lifestyle & Entertainment100100100
Household Items101100100
Education & Childcare103102100
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Homes For Sale In Boulder, MT

property for sale

Nhn Quintana Ln

, MT
property for sale

11 Quintana Ln

Boulder, MT
property for sale

308 E 3rd Ave

Boulder, MT
property for sale

114 N Washington St

Boulder, MT
See the Newest Homes For Sale In Boulder, MT

Cost Of Living Quick Facts

  • The cost of living in Boulder is 7% lower than the Montana average
  • The cost of living in Boulder is 6% lower than the national average
  • Boulder housing is 24% lower than the national average
  • Montana general sales tax is 100% lower than the national average
  • Montana state income tax is 61% lower than the national average

Most Affordable Places to Live in and Around Boulder

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      Housing index
      Transportation index
      Utilities index
      Lifestyle index
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      Educare index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$79,812$6,651$1,862$2,395
      Renters$55,238$4,603$1,289$1,657

      Montana Sales Tax

      State General Sales Tax With Max Surtax
      Montana 0% 0%

      Montana Income Tax

      State Income Tax (Low) Income Tax (High)
      Montana 1% 6.75%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Elkhorn, MT01021.8%
      Jefferson City, MT6141087.8%
      Basin, MT2771088.3%
      Clancy, MT2,04012323.1%
      Boulder, MT1,064946.0%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Dagsboro, DE1,06411211.6%
      St. Leon, IN1,0641033.4%
      Beach, ND1,0648811.9%
      Lake Camelot, WI1,0641054.5%
      Stanaford, WV1,0648910.6%
      Boulder, MT1,064946.0%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
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