unincorporated community
An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...
in western
Douglas County, Missouri
Douglas County is a county located in the south-central portion of the U.S. state of Missouri. As of the 2020 census, the population was 11,578. The county seat and only incorporated community is Ava. The county was officially organized on Oc ...
, United States. Arno is located just east of the confluence of
Beaver
Beavers (genus ''Castor'') are large, semiaquatic rodents of the Northern Hemisphere. There are two existing species: the North American beaver (''Castor canadensis'') and the Eurasian beaver (''C. fiber''). Beavers are the second-large ...
and Cowskin creeks, approximately five miles west of
Ava
Ava or AVA may refer to:
Places Asia and Oceania
* Ava Kingdom, in upper Burma from 1364 to 1555
** Inwa, formerly Ava, the capital of Ava Kingdom
** Earl of Ava, a British colonial earldom in Burma
* Ava, Iran, Gilan Province, a village
* Iva ...
.
History
Arno was founded in about 1857 in Taney County and the area became part of Douglas County in 1864. Arno was temporarily the county seat of Douglas County in 1869 replacing Vera Cruz. In 1870 Ava became the county seat. Arno post office operated from 1857 to 1863 in Taney County and 1867–1933 in Douglas County.White River ValleyHistorical Society, ''Taney County Post Offices''
In 1925, Arno had 31 inhabitants.