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Liberty Lake, WA vs SeaTac, WA

131
Liberty Lake
Washington
VS
+1.7%
129
SeaTac
Washington

Liberty Lake, WA and SeaTac, WA have a very similar cost of living, with only a 1.7% difference in their overall index. Liberty Lake scores 131 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 Liberty Lake is $1,782/month compared to $1,637/month in SeaTac — a 9% difference. Home values follow the same pattern: SeaTac is more affordable at $483,200 median vs $506,000.

Median household income in Liberty Lake is $105,599 compared to $76,517 in SeaTac (+38%). While Liberty Lake is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Liberty Lake spend roughly 20.3% of their income on rent, less than the 25.7% in SeaTac.

Climate-wise, SeaTac is notably warmer with an average of 53.7°F compared to 49.8°F in Liberty Lake. SeaTac receives more rainfall at 39.3" per year compared to 17.4" in Liberty Lake.

Income & Cost

Cost of Living Index
Liberty Lake
131
SeaTac
129
2% cheaper
Median Household Income
Liberty Lake
$105,599
28% higher
SeaTac
$76,517

Housing

Median Rent
Liberty Lake
$1,782
SeaTac
$1,637
8% cheaper
Median Home Value
Liberty Lake
$506,000
SeaTac
$483,200
5% cheaper
Population
Liberty Lake
12,435
SeaTac
31,143

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

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

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Liberty Lake 49.8°F
SeaTac 53.7°F
Summer High
Liberty Lake 87°F
SeaTac 77°F
Winter Low
Liberty Lake 26°F
SeaTac 38°F
Rainfall
Liberty Lake 17.4"
SeaTac 39.3"
Rainy Days
Liberty Lake 119d
SeaTac 156d