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Boston, MA vs Seattle, WA

160
Boston
Massachusetts
VS
-8.3%
175
Seattle
Washington

Boston is moderately more affordable than Seattle, with a 8.3% lower cost of living index. Boston scores 160 compared to 175 for Seattle, where the US average is 100. This difference means residents of Seattle can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Boston is $2,093/month compared to $1,998/month in Seattle — a 5% difference. Interestingly, home values tell a different story: while Seattle has cheaper rent, Boston actually has lower median home values ($710,400 vs $912,100).

Median household income in Boston is $94,755 compared to $121,984 in Seattle (-22.3%). While Seattle is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Boston spend roughly 26.5% of their income on rent, more than the 19.7% in Seattle.

Climate-wise, both cities share similar average temperatures (51.9°F vs 53.2°F). Boston receives more rainfall at 43.6" per year compared to 37.8" in Seattle.

Income & Cost

Cost of Living Index
Boston
160
8% cheaper
Seattle
175
Median Household Income
Boston
$94,755
Seattle
$121,984
22% higher

Housing

Median Rent
Boston
$2,093
Seattle
$1,998
5% cheaper
Median Home Value
Boston
$710,400
22% cheaper
Seattle
$912,100
Population
Boston
663,972
Seattle
741,440

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Boston $3.09
Seattle $3.31
US $3.07
🥚
Eggs (grade A, large)
Boston $2.52
Seattle $2.70
US $2.50
🥛
Milk (whole)
Boston $4.06
Seattle $4.35
US $4.03
🍞
Bread (white)
Boston $1.87
Seattle $2.00
US $1.85
🍗
Chicken breast
Boston $4.18
Seattle $4.48
US $4.14
Electricity
Boston $0.33
Seattle $0.16
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Boston 51.9°F
Seattle 53.2°F
Summer High
Boston 82°F
Seattle 77°F
Winter Low
Boston 23°F
Seattle 37°F
Rainfall
Boston 43.6"
Seattle 37.8"
Rainy Days
Boston 128d
Seattle 163d