Mountain Brook, AL Demographics

A map of Mountain Brook's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	20,945	21,241	95.1%	94.6%
Multiracial	522	503	2.4%	2.2%
Hispanic	188	351	0.9%	1.6%
Asian	160	239	0.7%	1.1%
Black	137	91	0.6%	0.4%
Native American/Other	77	36	0.3%	0.2%

Mountain Brook, Alabama has an estimated population of 22,029, a slight decrease from the 22,461 recorded in the 2020 Census. The population is 95.1% White, 2.4% Multiracial, 0.9% Hispanic, 0.7% Asian, 0.6% Black, and 0.3% Native American/Other. This demographic dot map shows the population of Mountain Brook, with one dot drawn for each person counted by the Census, color-coded by race.

Mountain Brook has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than Alabama overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Mountain Brook, that probability was 10.5% in 2020 and 9.5% in the most recent ACS estimates.

Mountain Brook is ranked the 30th most populous place in Alabama, out of 594 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Mountain Brook was ranked the 27th most populous place in the 2020 Census.

Mountain Brook's White Population

20,945 residents of Mountain Brook, or 95.1% of the population, identify as White. The share of White residents in Mountain Brook is significantly higher than in Alabama overall, where 63.4% of the population is White. Mountain Brook ranks 31st statewide in terms of White residents as a share of the population, out of 594 places.

Since the 2020 Census, Mountain Brook's White population has declined by an estimated 1.4%. White residents' share of Mountain Brook's population has increased from 94.6% to 95.1%.

Mountain Brook is more White than neighboring Vestavia Hills (84.4% White), Birmingham (24.2% White), Homewood (70.9% White), Brook Highland (64.4% White), and Irondale (58.7% White).

Mountain Brook's Black Population

137 residents of Mountain Brook, or 0.6% of the population, identify as Black. The share of Black residents in Mountain Brook is significantly lower than in Alabama overall, where 25.6% of the population is Black. Mountain Brook ranks 530th statewide in terms of Black residents as a share of the population, out of 594 places.

Since the 2020 Census, Mountain Brook's Black population has grown by an estimated 50.5%. Black residents' share of Mountain Brook's population has remained roughly unchanged at 0.6%.

Mountain Brook is less Black than neighboring Vestavia Hills (5.2% Black), Birmingham (66.7% Black), Homewood (16.4% Black), Brook Highland (20.7% Black), and Irondale (28.6% Black).

Mountain Brook's Asian Population

160 residents of Mountain Brook, or 0.7% of the population, identify as Asian. The share of Asian residents in Mountain Brook is comparable to the share in Alabama overall, where 1.4% of the population is Asian. Mountain Brook ranks 92nd statewide in terms of Asian residents as a share of the population, out of 594 places.

Since the 2020 Census, Mountain Brook's Asian population has declined by an estimated 33.1%. Asian residents' share of Mountain Brook's population has remained roughly unchanged at 0.7%.

Mountain Brook is less Asian than neighboring Vestavia Hills (4.9% Asian), Birmingham (1.4% Asian), Homewood (2.4% Asian), and Brook Highland (4.3% Asian).

Mountain Brook's Hispanic Population

188 residents of Mountain Brook, or 0.9% of the population, identify as Hispanic. The share of Hispanic residents in Mountain Brook is slightly lower than in Alabama overall, where 5.6% of the population is Hispanic. Mountain Brook ranks 416th statewide in terms of Hispanic residents as a share of the population, out of 594 places.

Since the 2020 Census, Mountain Brook's Hispanic population has declined by an estimated 46.4%. Hispanic residents' share of Mountain Brook's population has decreased from 1.6% to 0.9%.

Mountain Brook is less Hispanic than neighboring Vestavia Hills (3.4% Hispanic), Birmingham (4.8% Hispanic), Homewood (6% Hispanic), Brook Highland (6.9% Hispanic), and Irondale (9% Hispanic).

Mountain Brook's Native American/Other Population

77 residents of Mountain Brook, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mountain Brook is comparable to the share in Alabama overall, where 0.7% of the population is Native American/Other. Mountain Brook ranks 491st statewide in terms of Native American/Other residents as a share of the population, out of 594 places.

Since the 2020 Census, Mountain Brook's Native American/Other population has grown by an estimated 113.9%. Native American/Other residents' share of Mountain Brook's population has remained roughly unchanged at 0.3%.

Mountain Brook is less Native American/Other than neighboring Vestavia Hills (0.4% Native American/Other), Birmingham (0.7% Native American/Other), Homewood (0.8% Native American/Other), Brook Highland (1.1% Native American/Other), and Irondale (1.3% Native American/Other).

Mountain Brook's Multiracial Population

522 residents of Mountain Brook, or 2.4% of the population, identify as Multiracial. The share of Multiracial residents in Mountain Brook is comparable to the share in Alabama overall, where 3.3% of the population is Multiracial. Mountain Brook ranks 480th statewide in terms of Multiracial residents as a share of the population, out of 594 places.

Since the 2020 Census, Mountain Brook's Multiracial population has grown by an estimated 3.8%. Multiracial residents' share of Mountain Brook's population has remained roughly unchanged at 2.4%.

Mountain Brook is more Multiracial than neighboring Vestavia Hills (1.7% Multiracial), Birmingham (2.2% Multiracial), and Irondale (1.7% Multiracial). Mountain Brook is less Multiracial than neighboring Homewood (3.5% Multiracial), and Brook Highland (2.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.