Crime Scene & Biohazard Cleanup Near West Mosier Mosier, OR

Mosier is a city along the Columbia River in Wasco County, Oregon, first settled in 1854 and incorporated as a city in 1914.

As of the 2020 census, Mosier had a population of 468 and 205 households, with a median age of 43.9 years.

Mosier's nickname is Home of the Twin Tunnels, and its motto is Small enough to make a difference.

The city covers 0.63 square miles, and Eighteenmile Island lies a half-mile downstream of the city in the Columbia River.

The building now known as the post office was originally the bank, and its original safe is still intact on site.

Mosier School was built in 1920 and was a first through twelfth grade 1A school until 1963, then an elementary school in the Chenowith School District, and in January 2003 it became the charter school known as Mosier Community School.

On June 3, 2016, a 96-car oil train derailed near Mosier, with eleven cars derailed and at least one catching fire only 20 feet away from the city's sewage treatment facility.

Mosier has a warm-summer Mediterranean climate, with warm but not hot and dry summers.

As of the 2020 census, 30.6 percent of Mosier's residents were Hispanic or Latino, and 100 percent of residents lived in rural areas.

Mosier is listed with ZIP code 97040.