Cost of Living in Castle Rock, WA

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A
5%
Overall NAT. AVG.
5%
Groceries NAT. AVG.
4%
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 Castle Rock Washington National
Cost of living105119100
Groceries105107100
Health care110109100
Housing96138100
Transportation112112100
Utilities111110100
Lifestyle & Entertainment109112100
Household Items104107100
Education & Childcare112117100
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Homes For Sale In Castle Rock, WA

property for sale

708 Eaton Ct NE

Castle Rock, WA
property for sale

112 Chapman Rd

Castle Rock, WA
property for sale

195 Bay Point Dr

Castle Rock, WA
property for sale

101 Sir Lancelot Dr

Castle Rock, WA

Cost Of Living Quick Facts

  • The cost of living in Castle Rock is 12% lower than the Washington average
  • The cost of living in Castle Rock is 5% higher than the national average
  • Castle Rock housing is 4% lower 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 Castle Rock

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Compare Castle Rock, WA Cost of Living

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      Transportation index
      Utilities 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$95,107$7,926$2,219$2,853
      Renters$54,514$4,543$1,272$1,636

      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.
      Ryderwood, WA409990.7%
      Clatskanie, OR2,2491032.5%
      Toledo, WA5541043.7%
      West Side Highway, WA5,8601055.1%
      Kelso, WA12,5121065.8%
      Castle Rock, WA3,0181054.7%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Oakbrook Terrace, IL3,01812524.8%
      Bad Axe, MI3,0188416.2%
      Port Ludlow, WA3,01814040.5%
      Fairbanks Ranch, CA3,019414313.6%
      Georgian Bay, ON3,016n/a 
      Castle Rock, WA3,0181054.7%
      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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