St. Johns is a somewhat small city located in the state of Michigan. With a population of 7,710 people and four associated neighborhoods, St. Johns is the 145th largest community in Michigan.

Also of interest is that St. Johns has more people living here who work in computers and math than 95% of the places in the US.

Telecommuters are a relatively large percentage of the workforce: 13.11% 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.

The citizens of St. Johns are slightly better educated than the national average of 21.84% for all cities and towns, with 23.65% of adults in St. Johns having a bachelor's degree or advanced degree.

The per capita income in St. Johns in 2022 was $32,726, which is middle income relative to Michigan and the nation. This equates to an annual income of $130,904 for a family of four. However, St. Johns contains both very wealthy and poor people as well.

The people who call St. Johns home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of St. Johns residents report their race to be White, followed by Black or African-American. Important ancestries of people in St. Johns include German, Irish, English, Dutch, and French.

The most common language spoken in St. Johns is English. Other important languages spoken here include Polish and French.