|Elevation||620 ft (190 m)|
|Time zone||UTC-6 (Central (CST))|
|• Summer (DST)||UTC-5 (CDT)|
|GNIS feature ID||415078|
Olena was laid out on August 14, 1838 by Robert Kendall. It had, in the 19th century, a population of approximately 300 inhabitants. Further information can be found in History of Mercer and Henderson Counties, Together with Biographical Matter, Statistics, Etc. Chicago: H.H. Hill and Company, 1882.
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