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Gaithersburg, MD vs Olney, MD

139
Gaithersburg
Maryland
VS
-14.9%
163
Olney
Maryland

Gaithersburg is moderately more affordable than Olney, with a 14.9% lower cost of living index. Gaithersburg scores 139 compared to 163 for Olney, where the US average is 100. This difference means residents of Olney can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Gaithersburg is $2,008/month compared to $2,409/month in Olney — a 17% difference. Home values follow the same pattern: Gaithersburg is more affordable at $484,500 median vs $632,400.

Median household income in Gaithersburg is $107,496 compared to $171,766 in Olney (-37.4%). While Olney is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Gaithersburg spend roughly 22.4% of their income on rent, more than the 16.8% in Olney.

Climate-wise, Olney is notably warmer with an average of 59.3°F compared to 55.7°F in Gaithersburg. Gaithersburg receives more rainfall at 43.2" per year compared to 41.8" in Olney.

Income & Cost

Cost of Living Index
Gaithersburg
139
15% cheaper
Olney
163
Median Household Income
Gaithersburg
$107,496
Olney
$171,766
37% higher

Housing

Median Rent
Gaithersburg
$2,008
17% cheaper
Olney
$2,409
Median Home Value
Gaithersburg
$484,500
23% cheaper
Olney
$632,400
Population
Gaithersburg
69,225
Olney
36,000

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

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

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Gaithersburg 55.7°F
Olney 59.3°F
Summer High
Gaithersburg 88°F
Olney 90°F
Winter Low
Gaithersburg 25°F
Olney 30°F
Rainfall
Gaithersburg 43.2"
Olney 41.8"
Rainy Days
Gaithersburg 121d
Olney 118d