Powder River is a CDP located in Natrona County, Wyoming. Powder River has a 2025 population of 13. Powder River is currently declining at a rate of -31.58% annually and its population has decreased by since the most recent census, which recorded a population of 0 in 2020.
Data after 2023 is projected based on recent change
Race | Population | Percentage (of total) |
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No results. |
Married
Widowed
Divorced
Separated
Never Married