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 2026 population of 21,701. Mountain Brook is currently declining at a rate of -0.38% annually and its population has decreased by -3.57% since the most recent census, which recorded a population of 22,504 in 2020.

21.7K
Total Population
1,690
Density (mi²)
-83 -0.38%
Growth

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)