Mountain Brook city, Alabama Demographics & Population 2026

Population Overview

Mountain Brook city is a small city located in Alabama. The total population is 22,160. It ranks as the 29th most populous out of 589 cities and towns in Alabama.

Age Demographics

The median age in Mountain Brook city is 41.5 years. This is 6% higher than the state median of 39.3 years. With 29.9% of the population under 18, Mountain Brook city has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Mountain Brook city is $191,128. This is 208% higher than the state median of $62,027. Compared to the national median of $78,538, household income here is 143% higher. The poverty rate stands at 2.7%. This is 83% lower than the state poverty rate of 15.6%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 1.0%. This is 79% lower than the state rate of 4.8%. The median home value is $891,300. Housing costs are 357% higher than the state median of $195,100. The home-value-to-income ratio is 4.7x. 89.5% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 69.9%.

Race & Ethnicity

Mountain Brook city has a predominantly White (non-Hispanic) population, comprising 96.3% of all residents. Asian residents account for 0.8%. The White (non-Hispanic) population is significantly higher than the state average (96.3% vs 63.8%). The Black or African American population (0.4%) is well below the state average of 25.9%. The Hispanic or Latino population (0.8%) is well below the state average of 5.4%.

Education

88.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Mountain Brook city in the top 10% of all cities in the state for educational attainment. This is 218% higher than the state rate of 27.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 99.7%. Notably, 38.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Mountain Brook city, Alabama is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Alabama state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 589 Census-designated places in Alabama. For official data, visit data.census.gov.