The overall education level of Lebanon citizens is substantially higher than the typical US community, as 29.97% of adults in Lebanon have at least a bachelor's degree, and the average American community has 21.84%.

The per capita income in Lebanon in 2022 was $36,602, which is upper middle income relative to Tennessee, and middle income relative to the rest of the US. This equates to an annual income of $146,408 for a family of four. However, Lebanon contains both very wealthy and poor people as well.

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

The most common language spoken in Lebanon is English. Other important languages spoken here include Spanish and Langs. of India.