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Bellingham, WA vs SeaTac, WA

129
Bellingham
Washington
VS
-0.1%
129
SeaTac
Washington

Bellingham, WA and SeaTac, WA have a very similar cost of living, with only a 0.1% difference in their overall index. Bellingham scores 129 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 Bellingham is $1,478/month compared to $1,637/month in SeaTac — a 10% difference. Interestingly, home values tell a different story: while Bellingham has cheaper rent, SeaTac actually has lower median home values ($483,200 vs $577,400).

Median household income in Bellingham is $65,821 compared to $76,517 in SeaTac (-14%). While SeaTac is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Bellingham spend roughly 26.9% of their income on rent, more than the 25.7% in SeaTac.

Climate-wise, both cities share similar average temperatures (51.2°F vs 53.7°F). SeaTac receives more rainfall at 39.3" per year compared to 34.7" in Bellingham.

Income & Cost

Cost of Living Index
Bellingham
129
SeaTac
129
Median Household Income
Bellingham
$65,821
SeaTac
$76,517
14% higher

Housing

Median Rent
Bellingham
$1,478
10% cheaper
SeaTac
$1,637
Median Home Value
Bellingham
$577,400
SeaTac
$483,200
16% cheaper
Population
Bellingham
92,367
SeaTac
31,143

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Bellingham $3.22
SeaTac $3.31
US $3.07
🥚
Eggs (grade A, large)
Bellingham $2.62
SeaTac $2.70
US $2.50
🥛
Milk (whole)
Bellingham $4.22
SeaTac $4.35
US $4.03
🍞
Bread (white)
Bellingham $1.94
SeaTac $2.00
US $1.85
🍗
Chicken breast
Bellingham $4.35
SeaTac $4.48
US $4.14
Electricity
Bellingham $0.16
SeaTac $0.16
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Bellingham 51.2°F
SeaTac 53.7°F
Summer High
Bellingham 73°F
SeaTac 77°F
Winter Low
Bellingham 34°F
SeaTac 38°F
Rainfall
Bellingham 34.7"
SeaTac 39.3"
Rainy Days
Bellingham 169d
SeaTac 156d