Coupeville is a very small coastal town (i.e. on the ocean, a bay, or inlet) located in the state of Washington. With a population of 1,928 people and two associated neighborhoods, Coupeville is the 221st largest community in Washington.

Housing costs in Coupeville are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in Washington.

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

A relatively large number of people in Coupeville telecommute to their jobs. Overall, about 19.83% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. 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.

Coupeville 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.

Even though Coupeville is a smaller town, it has many people who hop on public transportation – mostly the bus for their daily commute to work. Typically, these people are commuting to good jobs in the surrounding cities.

The education level of Coupeville citizens is substantially higher than the typical US community, as 31.19% of adults in Coupeville have at least a bachelor's degree.

The per capita income in Coupeville in 2022 was $43,208, which is upper middle income relative to Washington and the nation. This equates to an annual income of $172,832 for a family of four. However, Coupeville contains both very wealthy and poor people as well.

Coupeville is a very ethnically-diverse town. The people who call Coupeville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Coupeville residents report their race to be White, followed by Asian. Important ancestries of people in Coupeville include German, Irish, English, Italian, and Norwegian.

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