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Potomac, MD vs Seabrook, MD

208
Potomac
Maryland
VS
+67.4%
124
Seabrook
Maryland

The cost of living difference between Potomac, MD and Seabrook, MD is dramatic. Seabrook is 67.4% cheaper than Potomac, a gap that translates to thousands of dollars per year in household expenses. Potomac has a cost index of 208 while Seabrook sits at 124, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Potomac is $2,616/month compared to $1,817/month in Seabrook — a 44% difference. Home values follow the same pattern: Seabrook is more affordable at $377,900 median vs $1,105,900.

Median household income in Potomac is $239,205 compared to $96,033 in Seabrook (+149.1%). While Potomac is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Potomac spend roughly 13.1% of their income on rent, less than the 22.7% in Seabrook.

Climate-wise, both cities share similar average temperatures (59.3°F vs 59.3°F). Seabrook receives more rainfall at 41.8" per year compared to 41.8" in Potomac.

Income & Cost

Cost of Living Index
Potomac
208
Seabrook
124
40% cheaper
Median Household Income
Potomac
$239,205
60% higher
Seabrook
$96,033

Housing

Median Rent
Potomac
$2,616
Seabrook
$1,817
31% cheaper
Median Home Value
Potomac
$1,105,900
Seabrook
$377,900
66% cheaper
Population
Potomac
46,230
Seabrook
18,495

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Potomac $3.26
Seabrook $3.26
US $3.07
🥚
Eggs (grade A, large)
Potomac $2.66
Seabrook $2.66
US $2.50
🥛
Milk (whole)
Potomac $4.28
Seabrook $4.28
US $4.03
🍞
Bread (white)
Potomac $1.97
Seabrook $1.97
US $1.85
🍗
Chicken breast
Potomac $4.41
Seabrook $4.41
US $4.14
Electricity
Potomac $0.20
Seabrook $0.20
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Potomac 59.3°F
Seabrook 59.3°F
Summer High
Potomac 90°F
Seabrook 90°F
Winter Low
Potomac 30°F
Seabrook 30°F
Rainfall
Potomac 41.8"
Seabrook 41.8"
Rainy Days
Potomac 118d
Seabrook 118d