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41°07′N 92°00′W / 41.12°N 92.00°W
Black Hawk Township is located in Jefferson County, Iowa. The population as of the 2020 Census is 327.[1] The land area is 36.7 square miles (95.1 km2) with no water area.[2]
References
- ^ "Black Hawk township, Jefferson County, Iowa". United States census. Retrieved June 3, 2022.
- ^ "Black Hawk township, Jefferson County, Iowa (IA)". City Data. Retrieved November 1, 2009.
Municipalities and communities of Jefferson County, Iowa, United States | ||
|---|---|---|
| Cities |  | |
| Townships | ||
| Unincorporated communities | ||
| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
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