St. Helena Island is a somewhat small coastal town (i.e. on the ocean, a bay, or inlet) located in the state of South Carolina. With a population of 9,438 people and four associated neighborhoods, St. Helena Island is the 52nd largest community in South Carolina.

St. Helena Island home prices are not only among the most expensive in South Carolina, but St. Helena Island real estate also consistently ranks among the most expensive in America.

It is a fairly quiet town because there are relatively few of those groups of people who have a tendency to be noisy. (Children, for example, often can't help themselves from being noisy, and being parents ourselves, we know!) St. Helena Island has relatively few families with children living at home, and is quieter because of it. Renters and college students, for their own reasons, can also be noisy. St. Helena Island has few renters and college students. But the biggest reason it is quieter in St. Helena Island than in most places in America, is that there are just simply fewer people living here. If you think trees make good neighbors, St. Helena Island may be for you.

St. Helena Island is also nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Quite often, nautical areas such as these attract visitors and locals who come to enjoy the scenery and various waterfront activities.

One downside of living in St. Helena Island, however, is that residents on average have to contend with a long commute, spending on average 32.11 minutes every day commuting to work.

The citizens of St. Helena Island are very well educated compared to the average community in the nation: 34.26% of adults in St. Helena Island have a bachelor's degree or even advanced degree.

The per capita income in St. Helena Island in 2022 was $43,913, which is wealthy relative to South Carolina, and upper middle income relative to the rest of the US. This equates to an annual income of $175,652 for a family of four. However, St. Helena Island contains both very wealthy and poor people as well.

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

The most common language spoken in St. Helena Island is English. Other important languages spoken here include Spanish and Italian.