Johnston is a medium-sized town located in the state of Rhode Island. With a population of 29,506 people and five associated neighborhoods, Johnston is the 12th largest community in Rhode Island.

The percentage of people in Johnston who are college-educated is somewhat higher than the average US community of 21.84%: 27.04% of adults in Johnston have at least a bachelor's degree.

The per capita income in Johnston in 2022 was $42,144, which is lower middle income relative to Rhode Island, and upper middle income relative to the rest of the US. This equates to an annual income of $168,576 for a family of four. However, Johnston contains both very wealthy and poor people as well.

Johnston is a very ethnically-diverse town. The people who call Johnston home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Johnston residents report their race to be White, followed by Black or African-American. Johnston also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 14.92% of the town’s residents. Important ancestries of people in Johnston include Italian, Irish, French, English, and Portuguese.

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