Fairfield is a town in Spokane County, Washington, United States.

In the morning, there is a Fun Run at 7:00, followed by the official Flag Day parade down Main Street at approximately 10:30.

Fairfield has several small businesses along Highway 27 and two blocks east along Main Street, including Fairfield Dental Clinic, St. John Hardware and Implement, Bank of Fairfield (main branch), Owl Pharmacy, Seehorn Tire, grain elevators, Westbound Systems and the U.S. Post Office.

Public education in Fairfield is serviced by Liberty School District #362.

[6] According to the United States Census Bureau, the town has a total area of 0.62 square miles (1.61 km2), all of it land.

There were 240 housing units at an average density of 387.1 per square mile (149.5/km2).

Of all households 26.2% were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older.

Of all households 25.0% were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.