Mountain Brook Flag

Mountain Brook

County Seat:
No
Area (mi²):
12.841
State:
Alabama

Mountain Brook is a city located in Jefferson County, Alabama. Mountain Brook has a 2025 population of 21,500 . Mountain Brook is currently declining at a rate of -0.93% annually and its population has decreased by -4.46% since the most recent census, which recorded a population of 22,504 in 2020.

The average household income in Mountain Brook is $302,510 with a poverty rate of 2.71%. The median age in Mountain Brook is 41.5 years: 40.6 years for males, and 42.6 years for females. For every 100 females there are 96.6 males.

21.5K
Total Population
1,674
Density (mi²)
-201 -0.93%
Growth

Mountain Brook Population

Mountain Brook Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Mountain Brook includes 96.46% White, and smaller percentages for Two or more races, Asian, Black or African American, other race, Native American and multiracial populations.

Population by Race

White (96.46%)

Two or more races (1.96%)

Asian (0.8%)

Black or African American (0.43%)

Other race (0.23%)

Native American (0.12%)

Race
Population
Percentage (of total)
White21,37596.46%
Two or more races4341.96%
Asian1770.8%
Black or African American950.43%
Other race520.23%
Native American270.12%

Mountain Brook Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mountain Brook's average per capita income is $107,393. Household income levels show a median of $191,128. The poverty rate stands at 2.71%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$250,001-
Families$243,385$358,960
Households$191,128$302,510
Non Families$74,006$112,068

$107,393

Average Income

$191,128

Median Household Income

2.71%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)