Hamilton County, Ohio
Hamilton County Courthouse
Flag Seal Logo
Location in the state of Ohio
Ohio's location in the U.S.
Founded	January 2, 1790
Named for	Alexander Hamilton
Seat	Cincinnati
Largest city	Cincinnati
Area
• Total	413 sq mi (1,070 km2)
• Land	406 sq mi (1,052 km2)
• Water	6.7 sq mi (17 km2), 1.6%
Population (Est.)
• (2019)	817,473
• Density	1,987/sq mi (767/km²)
Congressional districts	[[Ohio's 2nd } congressional district|2nd }]]
Time zone	Eastern: UTC-5/-4
Website	www.hamilton-co.org
Footnotes: For infobox source see

County Well Data

Well ID	Municipality	Operator Name	Permit Date	Spud Date	Configuration	License Status
34-061-20001	Crosby Township	HISTORIC OWNER	1959-10-02	1959-10-08	Vertical	Dry and Abandoned
34-061-20003	Green Township	BAKERWELL SERV RIGS INC	1991-07-03		Vertical	Final Restoration
34-061-20004	Sycamore Township	BROWN PHILLIP H JR. CORPORATIO	1994-06-10		Vertical	Final Restoration
34-061-20005	Green Township	DREES COMPANY, THE	1997-06-04		Vertical	Final Restoration
34-061-60002	Springfield Township	HISTORIC OWNER		1990-05-14	Vertical	Final Restoration
34-061-60006	Colerain Township	HISTORIC OWNER		1900-01-01	Vertical	Final Restoration
34-061-60007	Colerain Township	HISTORIC OWNER		1900-01-01	Vertical	Final Restoration
34-061-60008	Colerain Township	HISTORIC OWNER		1900-01-01	Vertical	Final Restoration
34-061-60014	Colerain Township	HISTORIC OWNER		1900-01-01	Vertical	Plugged and Abandoned
34-061-60015	Colerain Township	HISTORIC OWNER		1900-01-01	Vertical	Plugged and Abandoned
34-061-90015	Springfield Township	HISTORIC OWNER		1990-05-14	Vertical	Plugged and Abandoned

For data sources see