Clark County Ohio Wikipedia

Miami County, Ohio - Wikipedia.

2000 census. As of the census of 2000, there were 98,868 people, 38,437 households, and 27,943 families living in the county. The population density was 243 people per square mile (94/km 2).There were 40,554 housing units at an average density of 100 per square mile (38/km 2).The racial makeup of the county was 95.78% White, 1.95% Black or African American, ....

https://en.wikipedia.org/wiki/Miami_County,_Ohio.