Eureka Township | |
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![]() Location in Adair County | |
Coordinates: 41°22′29″N94°38′38″W / 41.37472°N 94.64389°W | |
Country | ![]() |
State | ![]() |
County | Adair |
Area | |
• Total | 35.59 sq mi (92.19 km2) |
• Land | 35.54 sq mi (92.06 km2) |
• Water | 0.050 sq mi (0.13 km2) 0.14% |
Elevation | 1,306 ft (398 m) |
Population (2020) | |
• Total | 101 |
• Density | 2.5/sq mi (1.0/km2) |
Time zone | UTC-6 (CST) |
• Summer (DST) | UTC-5 (CDT) |
ZIP codes | 50846, 50849 |
GNIS feature ID | 0467800 |
Eureka Township is one of the seventeen townships of Adair County, Iowa, United States. At the 2020 census, its population was 101. [1]
Eureka Township was organized in 1870. [2] "Eureka!" is said to have exclaimed by an early settler when he discovered coal within the township borders. [3] It was served by Berea post office from 1894 to 1908, [4] named after the Ancient Greek city of Berea. [5]
According to the United States Census Bureau, Eureka Township covers an area of 35.59 square miles (92.19 square kilometers); of this, 0.05 square miles (0.13 square kilometers) or 0.14 percent is water.
The township contains one cemetery, Eureka.