Castle Butte township is located in Pennington County, South Dakota. Castle Butte township has a 2026 population of 33. Castle Butte township is currently growing at a rate of 6.45% annually and its population has increased by 10% since the most recent census, which recorded a population of 30 in 2020.
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There are 0 adults, (0 of whom are seniors) in Castle Butte township.
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