Mountain Brook, AL Profile: Facts & Data


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Mountain Brook, Alabama - Basic Facts

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The City of Mountain Brook had a population of 22,229 as of July 1, 2022. Mountain Brook ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Alabama. See peer rankings below.

The primary coordinate point for Mountain Brook is located at latitude 33.5009 and longitude -86.7522 in Jefferson County. The formal boundaries for the City of Mountain Brook encompass a land area of 12.83 sq. miles and a water area of 0.02 sq. miles. Jefferson County is in the Central time zone (GMT -6). The elevation is 771 feet.

The City of Mountain Brook has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Alabama is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Mountain Brook is located within Birmingham Division of Jefferson County.

Jump to... (On This Page!)
  1. Mountain Brook 2022 Demographic Data
  2. Growth Rates for Mountain Brook (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Alabama Research Tools (Easy Tools & Current Data)
  3. Alabama Data Comparison Tool - 2022 Demographics

Mountain Brook, AL Data & Demographics (As of July 1, 2022)


Total Population 22,229 (100%)
Population in Households 22,125 (99.5%)
Population in Families 18,985 (85.4%)
Population in Group Quarters1 104 ( 0.5%)
Population Density 1,734
Diversity Index2 18


Median Household Income $147,848
Average Household Income $226,567
% of Income for Mortgage4 24%
Per Capita Income $86,135
Wealth Index5 282


Total HU (Housing Units) 8,367 (100%)
Owner Occupied HU 6,622 (79.1%)
Renter Occupied HU 1,471 (17.6%)
Vacant Housing Units 274 ( 3.3%)
Median Home Value $685,721
Average Home Value $727,039
Housing Affordability Index3 107


Total Households 8,093
Average Household Size 2.73
Family Households 5,681
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population -0.46% -0.38%
Households -0.31% -0.37%
Families   -0.38%
Median Household Income   2.30%
Per Capita Income   2.52%
Owner Occupied HU   -0.28%

Mountain Brook, AL - Peer Comparisons by Rank and Percentile

The table below compares Mountain Brook to the other 593 incorporated cities, towns and CDPs in Alabama by rank and percentile using July 1, 2022 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 28 95th
Population Density # 14 98th
Median Household Income # 2 100th
Housing Affordability Index # 73 12th
Per Capita Income # 1 100th
Diversity Index # 541 9th

Additional comparisons and rankings can be made with a VERY EASY TO USE Alabama Census Data Comparison Tool.

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