In 2018, Guernsey County, OH had a population of 39.3k people with a median age of 42.5 and a median household income of $43,975. Between 2017 and 2018 the population of Guernsey County, OH declined from 39,414 to 39,274, a -0.355% decrease and its median household income grew from $42,744 to $43,975, a 2.88% increase.
The 5 largest ethnic groups in Guernsey County, OH are White (Non-Hispanic) (94.3%), Two+ (Non-Hispanic) (2.23%), Black or African American (Non-Hispanic) (1.18%), White (Hispanic) (0.873%), and Other (Non-Hispanic) (0.512%). 0% of the households in Guernsey County, OH speak a non-English language at home as their primary language, and 99.6% of the residents in Guernsey County, OH are U.S. citizens.
In 2018, the median property value in Guernsey County, OH was $106,600, and the homeownership rate was 71.2%. Most people in Guernsey County, OH drove alone to work, and the average commute time was 23.3 minutes. The average car ownership in Guernsey County, OH was 2 cars per household.