The education level of Clemmons ranks among the highest in the nation. Of the 25-and-older adult population in Clemmons, 49.13% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

The per capita income in Clemmons in 2022 was $48,000, which is wealthy relative to North Carolina and the nation. This equates to an annual income of $192,000 for a family of four. However, Clemmons contains both very wealthy and poor people as well.

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

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