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Auburn, WA vs SeaTac, WA

133
Auburn
Washington
VS
+3.5%
129
SeaTac
Washington

Auburn, WA and SeaTac, WA have a very similar cost of living, with only a 3.5% difference in their overall index. Auburn scores 133 while SeaTac scores 129 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Auburn is $1,713/month compared to $1,637/month in SeaTac — a 5% difference. Home values follow the same pattern: SeaTac is more affordable at $483,200 median vs $510,400.

Median household income in Auburn is $95,367 compared to $76,517 in SeaTac (+24.6%). While Auburn is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Auburn spend roughly 21.6% of their income on rent, less than the 25.7% in SeaTac.

Climate-wise, both cities share similar average temperatures (53.7°F vs 53.7°F). SeaTac receives more rainfall at 39.3" per year compared to 39.3" in Auburn.

Income & Cost

Cost of Living Index
Auburn
133
SeaTac
129
3% cheaper
Median Household Income
Auburn
$95,367
20% higher
SeaTac
$76,517

Housing

Median Rent
Auburn
$1,713
SeaTac
$1,637
4% cheaper
Median Home Value
Auburn
$510,400
SeaTac
$483,200
5% cheaper
Population
Auburn
85,455
SeaTac
31,143

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Auburn $3.31
SeaTac $3.31
US $3.07
🥚
Eggs (grade A, large)
Auburn $2.70
SeaTac $2.70
US $2.50
🥛
Milk (whole)
Auburn $4.35
SeaTac $4.35
US $4.03
🍞
Bread (white)
Auburn $2.00
SeaTac $2.00
US $1.85
🍗
Chicken breast
Auburn $4.48
SeaTac $4.48
US $4.14
Electricity
Auburn $0.16
SeaTac $0.16
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Auburn 53.7°F
SeaTac 53.7°F
Summer High
Auburn 77°F
SeaTac 77°F
Winter Low
Auburn 38°F
SeaTac 38°F
Rainfall
Auburn 39.3"
SeaTac 39.3"
Rainy Days
Auburn 156d
SeaTac 156d