RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Missouri >> Oregon County  

Welcome to Oregon County ...

Time Zone: Oregon County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Alton is the Seat for Oregon County.

Oregon County was founded in 1841 and was created by taking area from Ripley County.

From the Census Estimates for 2019, <1> Oregon had a population of 10,529 people. This is a decrease of 3.71% since the last Census (which gave a population of 10,935 people in 2010).

At the time of the 2010 Census, Oregon represented 0.18% of the total population of Missouri.

Below are some of the communities located in Oregon County:

  • Alton
    (4 miles [6.4 km] to the north)
    • Jump to our Gazetteer entry for Alton
    • Alton is located in Oregon County (MO)
    • Population from the 2020 Census: 823 people
    • Jump to TripAdvisor's Tourism page for Alton <2>
  • Koshkonong
    (12 miles [19.3 km] to the west)
    • Jump to our Gazetteer entry for Koshkonong
    • Koshkonong is located in Oregon County (MO)
    • Population from the 2020 Census: 199 people
  • Thayer
    (9 miles [14.5 km] to the southwest)
    • Note: The GPS coordinates that we are using for Thayer have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Thayer
    • Thayer is located in Oregon County (MO)
    • Population from the 2020 Census: 2,103 people
    • Jump to TripAdvisor's Tourism page for Thayer <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<3>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.