Bay St. Louis is a somewhat small coastal city (i.e. on the ocean, a bay, or inlet) located in the state of Mississippi. With a population of 10,596 people and five associated neighborhoods, Bay St. Louis is the 46th largest community in Mississippi. Much of the housing stock in Bay St. Louis was built relatively recently. The construction of new real estate can often be taken as an indication that the local Bay St. Louis economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in Bay St. Louis, where the median household income is $63,508.00.

Bay St. Louis real estate is some of the most expensive in Mississippi, although Bay St. Louis house values don't compare to the most expensive real estate in the U.S.

Also of interest is that Bay St. Louis 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: 14.31% 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 city is relatively quiet, having a combination of lower population density and few of those groups of people who have a tendency to be noisy. For example, Bay St. Louis has relatively fewer families with younger children, and/or college students. Combined, this makes Bay St. Louis a pretty quiet place to live overall. If you like quiet, you will probably enjoy it here.

One of the nice things about Bay St. Louis is that it is nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Because of this, visitors and locals will often go to these areas to take in the scenery or to enjoy waterfront activities.

Bay St. Louis is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day.

The population of Bay St. Louis is very well educated relative to most cities and towns in the nation, where the average community has 21.84% of its adult population holding a 4-year degree or higher: 36.36% of adults in Bay St. Louis have a bachelor's degree or even advanced degree.

The per capita income in Bay St. Louis in 2022 was $45,280, which is wealthy relative to Mississippi and the nation. This equates to an annual income of $181,120 for a family of four. However, Bay St. Louis contains both very wealthy and poor people as well.

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

The most common language spoken in Bay St. Louis is English. Other important languages spoken here include Italian and Polish.