The median income of Henry County residents was an inflation-adjusted $30,229 per year. Henry County had 11,094 households in 2017, with a population of 27,463.
The county with the highest median resident income in the state was Delaware County. Delaware County's median income was $44,208 per year after adjusting for inflation – $13,979 more than Henry County. It had 67,701 households in 2017 and a population of 193,024.
Athens County had the lowest annual resident income among counties in Ohio, with a median income of only $14,351 per year. That was $15,878 less than the median income in Henry County at the time. Athens County had 22,509 households in 2017 and a population of 65,563.
The table below shows the state's counties ranked by median annual resident earnings in 2017.