F
102%
Overall NAT. AVG.
14%
Groceries NAT. AVG.
300%
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 Clayton California National
Cost of living202141100
Groceries114111100
Health care115116100
Housing400197100
Transportation121118100
Utilities117119100
Lifestyle & Entertainment122120100
Household Items111111100
Education & Childcare126127100
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An Overview of Cost of Living in Clayton, CA

Understanding the cost of living in Clayton can help future residents assess whether their current financial situation aligns with the expenses they will encounter. It enables them to plan for potential changes in their budget and lifestyle. The Clayton cost of living index is 202, which is 102% higher than the national average. The cost of living index is calculated by taking into account multiple categories, which encompass both the cost of everyday expenditures and larger expenses as well.

The cost of living in Clayton is among the highest in the country, making it a very expensive place to live. Only a small fraction of regions boast a cost of living that is at least 20% higher than the national average, and regrettably, Clayton falls into this category, which may not be suitable for those seeking an economically favorable living environment.

When it comes to the cost of living in Clayton, housing costs are a real heavyweight, often hogging a significant chunk of your earnings. Sadly, in this area, housing expenses for both buying and renting were 300.4% more expensive compared to your average city. That means you'll be shelling out more for homes, rents, mortgage rates and insurance.

The routine items you regularly buy for your home, such as cleaning supplies, personal care products, clothing basics, and kitchen essentials, make up 8% of the cost of living index. In Clayton, these items cost 11.3% more than the national average, making day-to-day living a bit more expensive.

The cost of groceries continues to rise at an alarming rate. Over the last two years, grocery prices have increased by more than 10%! Unfortunately, in Clayton, the news isn't any better as grocery prices are 13.5% higher than the national average.

Is Clayton Affordable?

Wondering if Clayton is affordable? It's a question that often comes up when you're thinking about a new city since affordability can really shape your decisions. The cost of living index (covered earlier), housing expenses and income levels all play a part in the affordability equation. In Clayton, for example, the median home price is 337.5% higher than what folks pay nationally, and monthly rent is 213.7% higher than the usual rates. Plus, income levels matter too, with Clayton boasting a median household income of $229,763, which is 182.5% higher than the national average.

What Factors can Influence the Cost of Living in Clayton?

Healthcare: Healthcare expenses and insurance premiums can vary significantly depending on the specific city or state. Factors such as accessibility to healthcare facilities, out-of-pocket expenses for doctor's visits, dental care expenses, prescription costs and specialized medical care fees can all influence the overall cost of living. In Clayton, healthcare costs are 15.4% higher than the national average.

Taxes: Regions that impose higher taxes, including sales and income taxes, can contribute to an increased cost of living. Higher taxes for everyday necessities such as clothing, utilities and food inevitably leads to higher expenditures. Additionally, a higher income tax rate can also play a role in elevating the overall cost of living. In Clayton, the prevailing sales tax rate starts at 7.25%, and income tax rates kick off at 1%.

Transportation: If public transportation is limited or not available, residents may need to own and maintain vehicles, which can add to the cost of living. Gas, insurance, regular maintenance and potentially lease or finance payments will all need to be paid on a monthly basis. In Clayton, the transportation index is 21.1% higher than the national average.

Where is the Data From?

The Clayton cost of living estimates above use a normalized U.S. average of 100 as the baseline for comparison. Housing values incorporate local home price and rental information from the U.S. Census, while all other estimates are AI-assisted and modeled using expected everyday expenses, local market trends, climate, and transportation-related cost pressures. The results are intended for practical city-to-city comparisons.

Cost Of Living Quick Facts

  • The cost of living in Clayton is 44% higher than the California average
  • The cost of living in Clayton is 102% higher than the national average
  • Clayton housing is 300% higher than the national average
  • California general sales tax is 42% higher than the national average
  • California state income tax is 61% lower than the national average

Most Affordable Places to Live in and Around Clayton

See all the best places to live around Clayton

Compare Clayton, CA Cost of Living

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      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$241,337$20,111$5,631$7,241
      Renters$198,259$16,522$4,626$5,948
      The affordability of the housing market in Clayton, CA as well as the overall cost of living can be predicted by what percent of the monthly income is spent on housing related costs. This is konwn as the debt-to-income ratio (DTI). The overall rule of thumb is that no more than 28% of your gross income should be spent on the overall costs related to housing and no more than 36% of gross income on all expenses and debts. Among Clayton homeowners, the median income is $241,337. This indicates that a monthly maximum of $5,631 should be spent by homeowners on all housing related costs. Renters have a median income of $198,259. This indicates that renters would have a maximum of $4,626 for their rent related monthly costs.

      California Sales Tax

      State General Sales Tax With Max Surtax
      California 7.25% 10.5%

      California Income Tax

      State Income Tax (Low) Income Tax (High)
      California 1% 13.3%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Port Costa, CA25111514.6%
      Pacheco, CA4,95611111.4%
      San Miguel CDP (San Luis Obispo County), CA2,80013029.5%
      Bay Point, CA26,22113434.4%
      Pittsburg, CA73,36214646.5%
      Clayton, CA11,862202102.4%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Mexico, MO11,8618415.8%
      Signal Hill, CA11,86615958.9%
      Cedarburg, WI11,85011414.5%
      Bacliff, TX11,876954.7%
      Mountain Top, PA11,8441011.0%
      Clayton, CA11,862202102.4%
      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.