As is often the case in a small city, Johnsonville doesn't have a public transportation system that people use for their commute.
The citizens of Johnsonville are slightly better educated than the national average of 21.84% for all cities and towns, with 23.16% of adults in Johnsonville having a bachelor's degree or advanced degree.
The per capita income in Johnsonville in 2022 was $27,958, which is middle income relative to South Carolina, and lower middle income relative to the rest of the US. This equates to an annual income of $111,832 for a family of four. However, Johnsonville contains both very wealthy and poor people as well.
Johnsonville is a very ethnically-diverse city. The people who call Johnsonville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Johnsonville residents report their race to be White, followed by Black or African-American. Important ancestries of people in Johnsonville include English, Scots-Irish, German, Irish, and Swedish.
The most common language spoken in Johnsonville is English. Other important languages spoken here include Italian and Spanish.
