In 2019, Guernsey County, OH had a population of 39.1k people with a median age of 42.2 and a median household income of $45,917. Between 2018 and 2019 the population of Guernsey County, OH declined from 39,274 to 39,111, a −0.415% decrease and its median household income grew from $43,975 to $45,917, a 4.42% increase.
The 5 largest ethnic groups in Guernsey County, OH are White (Non-Hispanic) (94.2%), Two+ (Non-Hispanic) (2.27%), Black or African American (Non-Hispanic) (1.09%), White (Hispanic) (0.772%), and Other (Non-Hispanic) (0.555%). 0% of the households in Guernsey County, OH speak a non-English language at home as their primary language.
99.7% of the residents in Guernsey County, OH are U.S. citizens.
In 2019, the median property value in Guernsey County, OH was $114,700, and the homeownership rate was 71.5%. Most people in Guernsey County, OH drove alone to work, and the average commute time was 23.7 minutes. The average car ownership in Guernsey County, OH was 2 cars per household.