Richland County, Ohio: Population Change: Total. December 3: Richland County goes to Purple in OPHAS (severe exposure and spread of COVID-19). December 10: Richland County stay at Purple in OPHAS; Ohio Governor Mike Dewine extends 10 p.m. curfew for businesses until January 2, 2021. It is named for the fertile soil found there. The next-largest counties are Cuyahoga County (1,243,857) with the city of Cleveland, Hamilton County (816,684) with the city of Cincinnati, Summit County (541,918), and Montgomery County (532,331). 121,154), including age, race, sex, income, poverty, marital status, education and more. Current Asian Population demographics in Richland County, Ohio 2020, 2019 by gender and age View Population Demographics and Statistics for all races in Richland County, Ohio population totals Richland County is a county located in the U.S. state of Ohio.As of the 2010 census, the population was 124,475. That differs from Ashtabula County, where there were 101-150 … November 25: Richland County on the Purple Watch list after nine weeks at Level Red. Welcome to Richland County, located in north central Ohio, and home to nearly 121,000 people. Block Group 2, Census Tract 14, Richland County, Ohio: Population Change: Total This represents growth of 12.35% since the last census. Block Group 1, Census Tract 21.02, Richland County, Ohio: Population Change: Total * Percent in change compare to 2010-14 ACS 5-year Summary Census data for Richland County, OH (pop. The county was created in 1808 and later organized in 1813. In Richland County, hunters checked 3,469 whitetails in the 2019-20 season — 215, or 6.6%, more than the 3,254 deer checked a year ago. Richland County, Ohio: Population Change: Two or More Races In 2019, Ohio's Franklin County, home of Columbus, has the highest population in the state with 1,310,300 residents. Though once native to Ohio, data on the ODNR Division of Wildlife website shows that from 1993-2013, there were only 11-50 black bear sightings in Richland County and 1-10 were "confirmed" sightings. Its county seat is Mansfield.