There are two things named Ahtanum in the U.S. state of Washington:
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Ahtanum, Washington
Ahtanum () is a census-designated place (CDP) in Yakima County, Washington. The population was 4,046 at the time of the 2020 census.
Geography
According to the United States Census Bureau, the CDP has a total area of 9.7 square miles (25.1& ...
(town)
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Ahtanum View Correction Center (state prison)
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