The median income of Chatham County residents was an inflation-adjusted $26,788 per year. Chatham County had 107,427 households in 2017, with a population of 285,506.
The county with the highest median resident income in the state was Forsyth County. Forsyth County's median income was $41,295 per year after adjusting for inflation – $14,507 more than Chatham County. It had 70,468 households in 2017 and a population of 211,300.
Clay County had the lowest annual resident income among counties in Georgia, with a median income of only $16,588 per year. That was $10,200 less than the median income in Chatham County at the time. Clay County had 1,154 households in 2017 and a population of 3,024.
The table below shows the top 100 counties ranked by median annual resident earnings in 2017.