County Quick Reference | |
County Seat: Cincinnati | County Name: Named for Alexander Hamilton, first Secretary of the Treasury |
Boundary Changes (click on the name of a change to see more information) | ||||||||||||||||||||||||||||||
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Background (general information on the county to put it in the context of history) |
Hamilton County was formed on 04 January 1790 by proclamation of the Governor of the Territory Northwest of the River Ohio [click here for more information]. By 1800, the county would go through seven changes to its boundaries before being incorporated into the State of Ohio. Click on a date in the table above to see a map of how the county looked on that date, as well as, the authority changing the boundary (if available).
The following map shows the original size of the county at its founding (in blue with a red border) and the final borders of the county after the boundary changes (in red with yellow border) superimposed on a modern map
.Hamilton County in 1790 and 1800 |
Census (click on a year below to view information on the population of the Territory) |
Date | Population | Change |
1800 | 14,691 | --- |
Bibliography (click on the title of the following works to learn more about life in the area;for those items not available online, check with your local library for availability) |
Referenced Items (content on HistoryKat that references this area) |