Hamilton County, Ohio

Founding: 1790
Parent county: Unorganized territory

Namesake: Alexander Hamilton, Founding Father
Seat: Cincinnati (1790–)

Land area: 406 square miles

Population (2020): 830,639

Population (historic): 14,692 (1800); 156,844 (1850); 313,374 (1880); 409,479 (1900); 589,356 (1930)

Periods of population growth: pre-1800–1970; 2010s

Subdivisions: 21 cities; 17 villages; 49 CDPs; 12 townships

Pre-1940 residences (estimated): 99,007 (26.3%)
Pre-1940 housing survival rate: 50.1%
Pre-1860 housing survival rate (1940): 19.4%

Farm housing in disrepair (1950): 6.7%

Nonfarm housing in disrepair (1950): 6.3%
Average farmhouse value (1930): $2,751
Average outbuilding value (1930): $2,061
Average farmhouse size (1940): 5.8 rooms
Number of farms (1920): 3,741
Average farm size (1920): 37.5 acres
Sources of settlement: Germany, Ireland, Pennsylvania, Virginia, and New Jersey
_________________________________________________________________________________

Cincinnati

Namesake: The Society of the Cincinnati, an organization of Continental Army veterans

Founding: 1788 (platting as Losantiville); 1794 (post office); 1802 (incorporation)

Population (2020): 309,317

Population (historic): 850 (1800); 24,831 (1830); 161,044 (1860); 325,902 (1900); 451,160 (1930)

Periods of population growth: pre-1800–1950; 2010s
Pre-1940 residences (estimated): 94,851 (25.1%)
_________________________________________________________________________________

View and filter the data. Or see a map.

_________________________________________________________________________________