Cities & Towns in Oregon County, MO

Oregon County, county in Missouri, United States. As of 2020 county had an estimated population of 10,411 inhabitants. The county was created 178 years ago in 1845. Its county seat is "Alton".

There are 3 city/town in Oregon County, MO. The largest city of Oregon County is Thayer with a population of 2,103. Other cities include, Alton population 823 and Koshkonong population 199


Thayer, city


Alton, city in Missouri


Koshkonong, city in Missouri, United States

All Oregon County Cities (Aphebetical)

Cities, Towns, Neighborhoods & Other Populated Places in Oregon County.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name Title County Population
Alton City in Missouri Oregon 823
Koshkonong City in Missouri, United States Oregon 199
Thayer City Oregon 2,103