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 1,935 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.

A relatively large number of people in Coupeville telecommute to their jobs. Overall, about 31.02% 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. Such areas are often places that visitors and locals go for waterfront activities or taking in the scenery.

Compared to the rest of the country, citizens of Coupeville spend much less time in their cars: on average, their commute to work is only 18.75 minutes. This also means that noise and pollution levels in the town are less than they would otherwise be.

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 very high relative to the national average among all cities (21.84%): 36.36% of adults in Coupeville have a bachelor's degree or even advanced degree.

The per capita income in Coupeville in 2022 was $50,472, which is upper middle income relative to Washington, and wealthy relative to the rest of the US. This equates to an annual income of $201,888 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.