Millbrook is a medium-sized city located in the state of Alabama. With a population of 17,096 people and five associated neighborhoods, Millbrook is the 38th largest community in Alabama.

Also of interest is that Millbrook has more people living here who work in computers and math than 95% of the places in the US.

The overall education level of Millbrook citizens is substantially higher than the typical US community, as 31.06% of adults in Millbrook have at least a bachelor's degree, and the average American community has 21.84%.

The per capita income in Millbrook in 2022 was $33,605, which is upper middle income relative to Alabama, and middle income relative to the rest of the US. This equates to an annual income of $134,420 for a family of four. However, Millbrook contains both very wealthy and poor people as well.

Millbrook is an extremely ethnically-diverse city. The people who call Millbrook home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Millbrook residents report their race to be White, followed by Black or African-American. Important ancestries of people in Millbrook include English, German, Irish, European, and Scottish.

The most common language spoken in Millbrook is English. Other important languages spoken here include Spanish and Other Indo-European.