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Forestdale, AL vs Mountain Brook, AL

78
Forestdale
Alabama
VS
-47.9%
149
Mountain Brook
Alabama

The cost of living difference between Forestdale, AL and Mountain Brook, AL is dramatic. Forestdale is 47.9% cheaper than Mountain Brook, a gap that translates to thousands of dollars per year in household expenses. Forestdale has a cost index of 78 while Mountain Brook sits at 149, 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 Forestdale is $1,094/month compared to $1,444/month in Mountain Brook — a 24% difference. Home values follow the same pattern: Forestdale is more affordable at $150,700 median vs $891,300.

Median household income in Forestdale is $57,145 compared to $191,128 in Mountain Brook (-70.1%). While Mountain Brook is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Forestdale spend roughly 23% of their income on rent, more than the 9.1% in Mountain Brook.

Climate-wise, both cities share similar average temperatures (63.9°F vs 63.9°F). Mountain Brook receives more rainfall at 56.6" per year compared to 56.6" in Forestdale.

Income & Cost

Cost of Living Index
Forestdale
78
48% cheaper
Mountain Brook
149
Median Household Income
Forestdale
$57,145
Mountain Brook
$191,128
70% higher

Housing

Median Rent
Forestdale
$1,094
24% cheaper
Mountain Brook
$1,444
Median Home Value
Forestdale
$150,700
83% cheaper
Mountain Brook
$891,300
Population
Forestdale
9,149
Mountain Brook
22,160

Salary Equivalency Calculator

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Rent by Bedroom Size

HUD Fair Market Rent (FY 2026) — metro area average

Studio
Forestdale $971
Mountain Brook $971
1 Bed
Forestdale $1,088
Mountain Brook $1,088
2 Bed
Forestdale $1,208
Mountain Brook $1,208
3 Bed
Forestdale $1,517
Mountain Brook $1,517
4 Bed
Forestdale $1,720
Mountain Brook $1,720

Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Forestdale $2.90
Mountain Brook $2.90
US $3.07
🥚
Eggs (grade A, large)
Forestdale $2.37
Mountain Brook $2.37
US $2.50
🥛
Milk (whole)
Forestdale $3.81
Mountain Brook $3.81
US $4.03
🍞
Bread (white)
Forestdale $1.75
Mountain Brook $1.75
US $1.85
🍗
Chicken breast
Forestdale $3.92
Mountain Brook $3.92
US $4.14
Electricity
Forestdale $0.17
Mountain Brook $0.17
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Forestdale 63.9°F
Mountain Brook 63.9°F
Summer High
Forestdale 91°F
Mountain Brook 91°F
Winter Low
Forestdale 35°F
Mountain Brook 35°F
Rainfall
Forestdale 56.6"
Mountain Brook 56.6"
Rainy Days
Forestdale 118d
Mountain Brook 118d