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 percentage of people in Hartselle who are college-educated is somewhat higher than the average US community of 21.84%: 27.77% of adults in Hartselle have at least a bachelor's degree.

The per capita income in Hartselle in 2018 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.