County
· Missouri
Oregon County
Oregon County is a county located in the southern portion of the U.S. state of Missouri. As of the 2020 census, the population was 8,635. Its county seat is Alton. The county was officially organized on February 14, 1845, and was named for the Oregon Country, a region shared at the time between the United Kingdom and the United States.
8,631 population
(2021)
·
County area: Oregon
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Cities and towns 3
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 168756
- FIPS state
- 29
- FIPS county
- 149
- FIPS place
- 99149
- Census record name
- COUNTY OF OREGON
- Mailing address
- PO BOX 324, ALTON 65606