Millbrook, Alabama Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Millbrook, Alabama is 16,923 as of the 2023 American Community Survey, making it the 39th-largest city in Alabama. The median household income is $64,522, the median home value is $193,600, and the median age is 36.2.
The population has grown 15.6% since 2010 (15,047 → 17,392).
16,923
Population
1175
People / sq mi
$64,522
Median Income
$193,600
Median Home Value
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Millbrook covers 14.4 sq mi of land at 1175 people per square mile.
About Millbrook, AL
What distinguishes Millbrook is density: among the most sparsely settled of US cities, around 1,175 people per square mile. With 16,923 residents, Millbrook is a city in Alabama. It ranks #39 among cities in Alabama by population.
The typical household here earns about $64,522, below the US median of $78,538. The poverty rate is 9.2%, below the national 12.4%. Property is affordable here, the median home worth $193,600, with typical rent around $1,035.
Roughly 32.5% of adults have a bachelor’s, below the national 35.0%. Most workers commute: only 7.5% work from home, below the national 14.0%, and the average commute runs about 23 minutes each way.
Millbrook city Population History (2010-2024)
The city of Millbrook city had a population of 15,047 in 2010 and 17,392 in 2024, a 15.6% growth over 14 years. The peak was 17,392 in 2024. Average annual growth rate: 1.04%.
17,392
Population (2024)
15,047
Population (2010)
17,392
Peak (2024)
1.04%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 15,047 |
| 2011 | 15,171 |
| 2012 | 15,206 |
| 2013 | 15,326 |
| 2014 | 15,377 |
| 2015 | 15,472 |
| 2016 | 15,565 |
| 2017 | 15,692 |
| 2018 | 15,824 |
| 2019 | 15,896 |
| 2020 | 16,525 |
| 2021 | 16,850 |
| 2022 | 17,033 |
| 2023 | 17,293 |
| 2024 | 17,392 |
Race & Ethnicity
| White | 66.1% |
| Black or African American | 26.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Economy & Income
$64,522
Median Household Income
$33,711
Per Capita Income
9.2%
Poverty Rate
3.1%
Unemployment Rate
Housing
$193,600
Median Home Value
$1,035
Median Rent
75.5%
Owner-Occupied
Education
91.2%
High School+
32.5%
Bachelor's+
Commute
0.1%
Drive Alone
84.2%
Public Transit
7.5%
Work From Home
22.9 min
Avg Commute
Community Profile
31.6%
Foreign Born
96.8%
Non-English at Home
8.8%
Veterans
16.1%
With Disability
94.8%
Health Insurance
93.1%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.3% |
| Public Administration | 15.4% |
| Manufacturing | 10.7% |
| Finance, Insurance & Real Estate | 10.1% |
| Education, Health Care & Social Services | 9.7% |
| Information | 8.0% |
| Construction | 6.8% |
| Arts, Entertainment & Food Services | 3.3% |
| Retail Trade | 1.7% |
| Transportation & Warehousing | 1.2% |
| Agriculture & Mining | 0.7% |
Largest cities in Alabama
Largest counties in Alabama
Part of Alabama
Metro areas in Alabama
City rankings
Frequently Asked Questions
Millbrook, Alabama has a population of 16,923 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 39th-largest city in Alabama.
The median household income in Millbrook, Alabama is $64,522, with 9.2% of residents living below the federal poverty level.
The median home value in Millbrook, Alabama is $193,600, with median monthly rent at $1,035 and a homeownership rate of 75.5%.
The median age in Millbrook, Alabama is 36.2 years. The population is 45.1% male and 54.9% female.
The population has grown 15.6% since 2010 (15,047 → 17,392).
Millbrook city, AL Climate
Millbrook city, AL has an average annual temperature of 18°C (64°F) and receives about 1401 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
18°C
Avg Temp
1401
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 8° / 46° | 130 mm |
| February | 10° / 49° | 137 mm |
| March | 14° / 57° | 167 mm |
| April | 18° / 64° | 125 mm |
| May | 22° / 72° | 100 mm |
| June | 26° / 78° | 101 mm |
| July | 27° / 81° | 132 mm |
| August | 27° / 80° | 99 mm |
| September | 24° / 76° | 103 mm |
| October | 18° / 65° | 69 mm |
| November | 13° / 56° | 104 mm |
| December | 9° / 49° | 134 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Millbrook city, AL
The most comfortable months to visit Millbrook city, AL are typically May, October and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 2°C low). March is usually the wettest month.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.