F
36%
Overall NAT. AVG.
25%
Goods & Services NAT. AVG.
73%
Housing NAT. AVG.
Date & Last Updated: This data reflects 2025 and was released from C2ER in January, 2026; this is the most current data available.
The cost of living index is based on a national average of 100. For example, if the cost of living is 90, then it is 10% lower than average. If the cost of living is 110, then it is 10% higher than average. The breakdown for each index is as follows: goods & services (33%), groceries (13%), health care (5%), housing (30%), transportation (9%) and utilities (10%). If the cost of living data was unavailable for this city, estimates based upon nearby cities were used.
Index SeaTac Washington National
Cost of living136118100
Goods & Services125110100
Groceries111108100
Health care120109100
Housing173138100
Transportation134123100
Utilities10097100
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An Overview of Cost of Living in SeaTac, WA

Getting a feel for the cost of living in SeaTac is essential for anyone planning to relocate, as it empowers them to make informed financial decisions, secure a comfortable lifestyle and maintain financial stability in their new environment. The cost of living in SeaTac is 136, which is 36% higher than the national average. Relocating individuals may need to adjust their savings and investment strategies based on the cost of living in the new location. It influences decisions about retirement planning, investments and financial goals.

If you prioritize affordability when seeking a new place to live, SeaTac may not be your ideal choice, as it ranks among the most expensive locations in the entire United States. A very small amount of areas exhibit a cost of living at least 20% higher than the national average, and unfortunately, SeaTac falls into this category, which may not align with your preferences for a budget-friendly living environment.

Housing costs are a very significant part of the SeaTac cost of living index and generally encompass a large percentage of take-home income. Unfortunately, in this area, the housing costs for both homes and rentals were 73.3% more than the average city. This includes things like home and rent prices, mortgage rates and insurance.

Recurring essentials like haircuts, toothpaste, and entertainment, from movies to gym sessions, can really add up in your budget and make up 33% of the cost of living index. In SeaTac, you you will have to spend 24.6% more than average when compared to the typical prices for these items, making it a more expensive place to live.

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 SeaTac, the news isn't any better as grocery prices are 11% higher than the national average.

Is SeaTac Affordable?

Wondering if SeaTac 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 SeaTac, for example, the median home price is 86.1% higher than what folks pay nationally, and monthly rent is 43.4% higher than the usual rates. Plus, income levels matter too, with SeaTac boasting a median household income of $96,581, which is 18.7% higher than the national average.

What Factors can Influence the Cost of Living in SeaTac?

Utilities: Like everything else, utilities costs can range significantly depending on factors like climate, energy sources available, location and even state regulations. Things like electricity, water, heating and waste disposal costs can be higher or lower, depending on the city or state. The utilities index in SeaTac comes in at 0.2% higher than the national average.

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 SeaTac, the transportation index is 34.4% higher than the national average.

Taxes: Locations with elevated tax rates, encompassing both sales and income taxes, can be a factor in driving up the cost of living. When you're paying more in taxes for everyday goods and services, it naturally translates into higher expenses. Similarly, a higher income tax rate can also contribute to an overall higher cost of living. In SeaTac, the standard sales tax rate starts at 6.5%, and the income tax rates commence at 0%.

Where is the Data From?

The SeaTac cost of living data you see above is sourced from the C2ER cost of living index, providing a practical and accurate means of comparing living expenses in urban areas. Updated quarterly, this index gathers data from over 300 independent researchers, covering more than 60 goods and services, in 6 different categories. These selections are made meticulously to represent a wide range of consumer expenditure categories. The weightings applied to cost differences are based on government survey data that tracks spending patterns among professional and executive households. It's important to note that while the C2ER index excludes data on sales or income tax rates, AreaVibes factors tax rates into the overall cost of living score for each region.

Cost Of Living Quick Facts

  • The cost of living in SeaTac is 15% higher than the Washington average
  • The cost of living in SeaTac is 36% higher than the national average
  • SeaTac housing is 73% 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 SeaTac

See all the best places to live around SeaTac

Compare SeaTac, WA Cost of Living

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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
      Goods & Services index
      Groceries index
      Health care index
      Housing index
      Transportation index
      Utilities index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$128,286$10,691$2,993$3,849
      Renters$78,402$6,534$1,829$2,352
      The affordability of the housing market in SeaTac, WA 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 SeaTac homeowners, the median income is $128,286. This indicates that a monthly maximum of $2,993 should be spent by homeowners on all housing related costs. Renters have a median income of $78,402. This indicates that renters would have a maximum of $1,829 for their rent related monthly costs.

      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%

      Goods & Services

      Item SeaTac National avg. Difference
      Haircut $52.70$27.6290.8%
      Beauty Salon $90.63$51.1177.3%
      Toothpaste $3.99$4.092.5%
      Shampoo $1.49$1.543.4%
      Movie $16.66$12.8829.4%
      Yoga $25.75$19.6631.0%

      Groceries

      Item SeaTac National avg. Difference
      Ground Beef $8.11$7.705.3%
      Fried Chicken $2.89$1.6673.9%
      Milk $4.89$4.733.3%
      Potatoes $4.43$5.2615.7%
      Pizza $15.74$12.7623.3%
      Beer $12.31$10.5516.7%

      Health Care

      Item SeaTac National avg. Difference
      Optometrist $228.39$140.0663.1%
      Doctor $204.97$153.8233.3%
      Dentist $154.18$123.1525.2%
      Ibuprofen $12.60$11.737.4%
      Lipitor $19.72$23.6116.5%

      Housing

      Item SeaTac National avg. Difference
      Home Price $607,992.00$326,622.0086.1%
      Avg. Mortgage Payment $5,300.43$2,480.25113.7%
      Apartment Rent $2,070.00$1,444.0043.4%

      Transportation

      Item SeaTac National avg. Difference
      Gasoline $4.33$3.0641.8%
      Tire Balancing $76.04$65.2116.6%

      Utilities

      Item SeaTac National avg. Difference
      All Electricity $211.87$220.123.7%
      Phone $209.52$195.717.1%
      Although the cost of living data is updated regularly, this cost of living information is to be used as estimates only as prices can change on an ongoing basis.

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Fairwood CDP (Spokane County), WA8,33111818.3%
      East Port Orchard, WA5,18712525.3%
      Enetai, WA2,06712727.4%
      Purdy, WA1,57412827.6%
      Bethel, WA4,32812928.9%
      SeaTac, WA30,18613635.8%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Maryville, TN30,172954.6%
      Raytown, MO30,162928.4%
      O'Fallon, IL30,1511021.8%
      Southgate, MI30,149946.5%
      Oak Park, MI30,129963.9%
      SeaTac, WA30,18613635.8%
      Date & Last Updated: This data reflects 2025 and was released from C2ER in January, 2026; this is the most current data available.