Oak Harbor is a very small village located in the state of Ohio. With a population of 2,807 people and two constituent neighborhoods, Oak Harbor is the 393rd largest community in Ohio. Oak Harbor has an unusually large stock of pre-World War II architecture, making it one of the older and more historic villages.

Telecommuters are a relatively large percentage of the workforce: 7.95% 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.

Being a small village, Oak Harbor does not have a public transit system used by locals to get to and from work.

The percentage of adults in Oak Harbor who are college-educated is close to the national average for all communities of 21.84%: 19.22% of the adults in Oak Harbor have a bachelor's degree or advanced degree.

The per capita income in Oak Harbor in 2018 was $29,083, which is middle income relative to Ohio and the nation. This equates to an annual income of $116,332 for a family of four. However, Oak Harbor contains both very wealthy and poor people as well.

Oak Harbor is a somewhat ethnically-diverse village. The people who call Oak Harbor home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Oak Harbor residents report their race to be White, followed by Asian. Important ancestries of people in Oak Harbor include German, Irish, English, Polish, and French.

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