Mountain Brook, AL

Very High · 182

Alabama · Population 22,160 · Updated March 2026

$1,444
Median Rent / Month
$191,128
Median Income
$891,300
Median Home Value
$2,431
Owner Costs / Month

Affordability

How far your income goes in Mountain Brook

9.1%
Rent-to-Income Ratio
Affordable
Rent takes less than 25% of median income — considered affordable by HUD standards.

Tax Burden in Alabama

State-level tax rates that affect your costs

5.0%
Income Tax (Top Rate)
4.0%
Sales Tax
0.41%
Property Tax Rate

Estimated Annual Costs

$17,328
Annual Rent
$9,556
State Income Tax
$3,654
Property Tax (est.)

Cost of Living Overview

Mountain Brook has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 182 (where 100 equals the national median), Mountain Brook residents can expect to pay median rent of $1,444/month while earning a median household income of $191,128/year.

The median home value in Mountain Brook, AL is $891,300, with typical monthly owner costs around $2,431 including mortgage, insurance, and taxes. The median rent-to-income ratio of 9.1% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.

Alabama has a moderate income tax rate of 5.0%. Combined with a 4.0% sales tax rate and 0.41% effective property tax rate, the overall tax environment is a factor in the total cost of living in Mountain Brook.

Frequently Asked Questions

Common questions about living costs in Mountain Brook

What is the cost of living in Mountain Brook, AL?
The cost of living index in Mountain Brook, AL is 182 (US average = 100). Median monthly rent is $1,444, median household income is $191,128/year, and the median home value is $891,300.
Is Mountain Brook, AL affordable?
No, Mountain Brook is more expensive than the national average with a cost index of 182. The rent-to-income ratio is 9.1%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Mountain Brook, AL?
The median gross rent in Mountain Brook, AL is $1,444 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $17,328.
What is the median household income in Mountain Brook?
The median household income in Mountain Brook, AL is $191,128 per year. This compares to the national median of approximately $80,000.
What are the taxes like in Alabama?
Alabama has a top income tax rate of 5.0%, a sales tax of 4.0%, and an effective property tax rate of 0.41%.