Mountain Brook, Alabama Population 2024

21,379

Mountain Brook is a city located in Jefferson County Alabama. Mountain Brook has a 2024 population of 21,379. Mountain Brook is currently declining at a rate of -1.33% annually and its population has decreased by -5% since the most recent census, which recorded a population of 22,505 in 2020.

The average household income in Mountain Brook is $267,337 with a poverty rate of 3.29%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Mountain Brook is 41.1 years, 40.2 years for males, and 41.9 years for females.

Mountain Brook Demographics

According to the most recent ACS, the racial composition of Mountain Brook was:

  • White: 97.65%
  • Asian: 0.97%
  • Two or more races: 0.82%
  • Black or African American: 0.28%
  • Other race: 0.21%
  • Native American: 0.06%
  • Native Hawaiian or Pacific Islander:
State
Alabama
Land Area (mi²)
12.8 sq mi
Density (mi²)
1,667.0/sq mi
Growth Since 2020
-5% (-1,126)
The current population of Mountain Brook, Alabama is 21,379 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 22,505.

Mountain Brook, Alabama Population 2024

Population by Race

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Race
Population
Percentage (of total)
White21,73697.65%
Asian2170.97%
Two or more races1820.82%
Black or African American630.28%
Other race470.21%
Native American140.06%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Mountain Brook Population by Race

Mountain Brook Population Pyramid 2024

Mountain Brook Median Age

41.1

Total

40.2

Male

41.9

Female

Mountain Brook Adults

There are 15,767 adults, (3,854 of whom are seniors) in Mountain Brook.

Mountain Brook Age Dependency

86.8

Age Dependency Ratio

32.4

Old Age Dependency Ratio

54.5

Child Dependency Ratio

Mountain Brook Sex Ratio

Female11,55451.91%
Male10,70548.09%

Mountain Brook Population by Age

Mountain Brook Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,2302.789.410.6
Married5,9383.296.53.5
Non Family1,9051.1165.934.1
Female3562.8195.84.2
Male312.551000
showing: 5 rows

3.16

Average Family Size

2.7

Average Household Size

89.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Mountain Brook Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Mountain Brook Educational Attainment by Sex (over 25)

Mountain Brook Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among other race people with a rate of 100%.

Mountain Brook Educational Attainment by Race

All

Male

Female

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$94,134

Average Earnings

$138,230

Average Male

$58,804

Average Female

Mountain Brook Earnings by Educational Attainment

Mountain Brook Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Mountain Brook Language

97.36% of Mountain Brook residents speak only English, while 2.64% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.33% of the population.

Mountain Brook Language

Mountain Brook Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White21,6797203.32%
Black621117.74%
showing: 2 rows

3.29%

Overall Poverty Rate

2.73%

Male Poverty Rate

3.81%

Female Poverty Rate

Poverty in Mountain Brook

The race most likely to be in poverty in Mountain Brook is Black, with 17.74% below the poverty level.

The race least likely to be in poverty in Mountain Brook is White, with 3.32% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.23%. Among those working part-time, it was 2.05%, and for those that did not work, the poverty rate was 10.64%.

Mountain Brook Poverty

rate

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Rate
Poverty
Less Than 9th Grade40.82%
Some College13.35%
High School8.22%
Bachelors or Greater2.63%
showing: 4 rows

Mountain Brook Poverty Rate by Education

rate

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Rate
Poverty
Female Employed0.87%
Male Employed0.3%
Male Unemployed
Female Unemployed
showing: 4 rows

Mountain Brook Poverty Rate by Employment Status and Sex

Mountain Brook Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Mountain Brook Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

70.8%

Overall Marriage Rate

75.1%

Male Marriage Rate

67.0%

Female Marriage Rate

Mountain Brook Married by Age and Sex

male

female

Mountain Brook Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Mountain Brook Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Mountain Brook Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

698

Number of Veterans

640

Male Veterans

58

Female Veterans

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Mountain Brook Veterans by War

count

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Mountain Brook Veterans by Age

count

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Mountain Brook Veterans by Race

Mountain Brook Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

44.99%

Veteran Disability Rate

Mountain Brook Veterans by Education

LaborForceParticipation

60.6%

Labor Force Participation

60%

Employment Rate

0.9%

Unemployment Rate

Mountain Brook Employment by Age

LaborForceParticipation

Mountain Brook Employment by Race

LaborForceParticipation

Mountain Brook Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

64.19%

Born in Mountain Brook

98.33%

Native Born

1.67%

Foreign Born

0.86%

Non Citizen

0.81%

Naturalized

Place of Birth

98.33% of Mountain Brook residents were born in the United States, with 64.19% having been born in Alabama. 0.86% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Mountain Brook Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202919,939-288-1.42%
202820,227-288-1.4%
202720,515-288-1.38%
202620,803-288-1.37%
202521,091-288-1.35%
202421,379-288-1.33%
202321,667-288-1.31%
202221,955-288-1.29%
202122,243-262-1.16%
202022,5052,31811.48%
201920,187-83-0.41%
201820,270-56-0.28%
201720,326-81-0.4%
201620,407-90-0.44%
201520,497-38-0.19%
201420,5353511.74%
201320,184-52-0.26%
201220,236-72-0.35%
201120,308-8-0.04%
201020,316-288-1.4%
200020,6047944.01%
199019,810920.47%
198019,7182441.25%
197019,4746,79453.58%
196012,6804,32151.69%
19508,359
showing: 26 rows

Mountain Brook Population by Year