Hartselle is a medium-sized city located in the state of Alabama. With a population of 15,649 people and five associated neighborhoods, Hartselle is the 46th largest community in Alabama.

The overall education level of Hartselle is somewhat higher than in the average US city of 21.84%: 27.77% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Hartselle in 2022 was $33,007, 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 $132,028 for a family of four. However, Hartselle contains both very wealthy and poor people as well.

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

The most common language spoken in Hartselle is English. Other important languages spoken here include Spanish and Polish.