Allen County, Ohio, United States
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- Allen County
- County
- Located in northwestern Ohio, 101 km (63 mi) north of Dayton; County Seat: Lima. 407 square miles in size.
- Established on 10 February 1820, named for Ethan Allen (1738-1789), who led the Green Mountain Boys during the Revolutionary War. (US-T801/p275)
- 40.766717940° 46' 00.2"N-84.083280484° 04' 59.8"W
- 109,755
- 268 m
- 124788693
- Updated Apr 21, 2020