McKenzie is a somewhat small city located in the state of Tennessee. With a population of 5,531 people and two associated neighborhoods, McKenzie is the 106th largest community in Tennessee.

Telecommuters are a relatively large percentage of the workforce: 7.69% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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.

McKenzie is also a college town, where lots of students live while attending area colleges. Because of the high percentage of people living in McKenzie enrolled in college, McKenzie has a number of services, amenities and opportunities geared towards the needs and activities of students.

Being a small city, McKenzie does not have a public transit system used by locals to get to and from work.

The overall education level of McKenzie citizens is substantially higher than the typical US community, as 29.39% of adults in McKenzie have at least a bachelor's degree, and the average American community has 21.84%.

The per capita income in McKenzie in 2022 was $23,433, which is lower middle income relative to Tennessee, and low income relative to the rest of the US. This equates to an annual income of $93,732 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, German, Irish, Scottish, and European.

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