[6] The present name refers to the Oregon Country, which was at the time considered a prime destination of pioneer emigrants passing through the area.

[8] According to the United States Census Bureau, the city has a total area of 1.00 square mile (2.59 km2), all land.

The racial makeup of the city was 98.4% White, 0.5% Native American, 0.5% Asian, and 0.7% from two or more races.

29.5% of all households were made up of individuals, and 17.2% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 98.40% White, 0.53% Native American, 0.11% Asian, 0.11% Pacific Islander, and 0.86% from two or more races.

The 1928 Oregon boys' basketball, which featured future University of Missouri coach Wilbur Stalcup, won the state basketball tournament at a time when Missouri did not have divisions for its schools.

It practiced on an outdoor court and occasionally inside the Methodist Church.

[13] The Holt County Museum & Research Center is located in Oregon, Missouri.