F
57%
Overall NAT. AVG.
6%
Groceries NAT. AVG.
169%
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 South Boulder Boulder Colorado
Cost of living157176115
Groceries106106104
Health care107107107
Housing269333136
Transportation107107106
Utilities107107108
Lifestyle & Entertainment114114107
Household Items107107105
Education & Childcare118118111
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Cost Of Living Quick Facts

  • The cost of living in South Boulder is 36% higher than the Boulder average
  • The cost of living in South Boulder is 57% higher than the national average
  • South Boulder housing is 169% higher than the national average
  • Colorado general sales tax is 43% lower than the national average
  • Colorado state income tax is 69% higher than the national average

Most Affordable Places to Live in and Around South Boulder

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Compare Boulder, CO Cost of Living

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      Cost of living index
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      Utilities index
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      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Household$139,626$11,636$3,258$4,189

      Colorado Sales Tax

      State General Sales Tax With Max Surtax
      Colorado 2.9% 10%

      Colorado Income Tax

      State Income Tax (Low) Income Tax (High)
      Colorado 4.4% 4.4%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Hidden Lake, CO321065.6%
      Gold Hill, CO2011065.6%
      Eldorado Springs, CO3321098.9%
      Crisman, CO531065.6%
      Leyner, CO01098.9%
      Boulder, CO112,77717676.2%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Delta, BC112,691n/a 
      Broken Arrow, OK112,690963.9%
      Billings, MT113,2441076.7%
      Richmond, CA112,26815555.0%
      West Palm Beach, FL113,36311616.4%
      Boulder, CO112,77717676.2%
      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.