McKenzie is a somewhat small city located in the state of Tennessee. With a population of 5,603 people and two associated neighborhoods, McKenzie is the 106th largest community in Tennessee.

A relatively large number of people in McKenzie telecommute to their jobs. Overall, about 8.21% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

In addition, McKenzie is a college town. There are a lot of students in McKenzie attending college, and as a result McKenzie provides a number of services, amenities and opportunities geared to the needs and activities of students.

McKenzie is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day.

The percentage of adults in McKenzie who are college-educated is close to the national average for all communities of 21.84%: 20.04% of the adults in McKenzie have a bachelor's degree or advanced degree.

The per capita income in McKenzie in 2022 was $23,619, which is low income relative to Tennessee and the nation. This equates to an annual income of $94,476 for a family of four. However, McKenzie contains both very wealthy and poor people as well.

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

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