[3] Its name comes from the Delaware Indian language and has been translated as "union of waters" or "black bear crossing".

[4] Coshocton was mentioned by David Zeisberger in his diary from the 1780s using the German spelling "Goschachgünk".

[6] As of the census[11] of 2000, there were 36,655 people, 14,356 households, and 10,164 families living in the county.

29.4% were of German, 23.4% American, 11.6% English and 9.3% Irish ancestry according to Census 2000.

25.40% of all households were made up of individuals, and 11.90% had someone living alone who was 65 years of age or older.

As of the 2010 United States Census, there were 36,901 people, 14,658 households, and 10,089 families living in the county.

[13] In terms of ancestry, 29.5% were German, 14.2% were Irish, 11.2% were English, and 10.3% were American.

[17] Prior to 1912, Coshocton County was Democratic in presidential elections, only voting Republican twice from 1856 to 1908.

The county courts meet in the courthouse located in Coshocton.