Cost of Living in Black Diamond, WA

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F
47%
Overall NAT. AVG.
8%
Groceries NAT. AVG.
132%
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 Black Diamond Washington National
Cost of living147119100
Groceries108107100
Health care109109100
Housing232138100
Transportation112112100
Utilities114110100
Lifestyle & Entertainment108112100
Household Items107107100
Education & Childcare114117100
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Homes For Sale In Black Diamond, WA

property for sale

34108 SE Emerald St

Black Diamond, WA
property for sale

34188 SE Emerald St

Black Diamond, WA
property for sale

32879 Ten Trails Pkwy SE

Black Diamond, WA
property for sale

23612 SE Aspen St

Black Diamond, WA

Cost Of Living Quick Facts

  • The cost of living in Black Diamond is 24% higher than the Washington average
  • The cost of living in Black Diamond is 47% higher than the national average
  • Black Diamond housing is 132% higher than the national average
  • Washington general sales tax is 27% higher than the national average
  • Washington state income tax is 100% lower than the national average

Most Affordable Places to Live in and Around Black Diamond

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      Salary Calculator

      This is how much you would need to earn in
      Price difference in compared to
      Cost of living index
      Groceries index
      Health care index
      Housing index
      Transportation index
      Utilities index
      Lifestyle index
      Household index
      Educare index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$183,244$15,270$4,275$5,498
      Renters$107,677$8,973$2,512$3,231
      To approximate the cost of living and the housing affordability in Black Diamond, WA, we can look at the percentage of income that is available to be spent on monthly housing, otherwise known as the debt-to-income ratio (DTI). To stay on the safe side, a consumer should not spend more than 28% of his or her gross income on housing-related expenses and costs and not more than 36% of income on all expenses and debts. Homeowners in Black Diamond have a median income of $183,244. Therefore, the amount that a consumer should spend on housing costs should be no more than $4,275 per month to avoid calamity and poverty. The renters in the city have an income of about $107,677, which would make their monthly maximum allowable rental costs $2,512.

      Washington Sales Tax

      State General Sales Tax With Max Surtax
      Washington 6.5% 10.4%

      Washington Income Tax

      State Income Tax (Low) Income Tax (High)
      Washington 0% 0%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Fairwood CDP (Spokane County), WA8,33111313.4%
      North Puyallup, WA2,02911111.1%
      South Prairie, WA30912020.3%
      Algona, WA3,27712423.8%
      Wilkeson, WA51812424.2%
      Black Diamond, WA4,81114746.6%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Lindstrom, MN4,8111044.1%
      East Freehold, NJ4,81115454.0%
      Pleasant Run, OH4,811945.8%
      Farrell, PA4,8117821.6%
      Fountain Hill, PA4,811945.6%
      Black Diamond, WA4,81114746.6%
      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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