Population of States and Counties in the United States: 1790-1990 -- Ohio is on pages 124 to 129, in two batches: 1890-1990 and 1800-1880.

The Real Property Inventory (1932-1980s) volumes on Cleveland demographics are contained in Special Collections and other libraries. Howard Whipple Green's article on the RPI.

Indexes to the RPI's Sheet-A-Week newsletters, Vol.1-10:  Part 1 and Part 2

Current census data, for comparison:

• 2010 CENSUS - CENSUS TRACT REFERENCE MAP: Cuyahoga County, OH
• 2010 Census Interactive Population Search  -- (Then select Ohio then Cuyahoga County from boxes on left)
• New York Times: Mapping the 2010 U.S. Census

Useful links for local data:

• Northern Ohio Data & Information Services (NODIS) at CSU
• Neighborhood Link (soon to be taken down)
• NEO CANDO at CWRU
• City of Cleveland's 2014 Neighborhood Fact Sheet