The median income of Windham County residents was an inflation-adjusted $27,053 per year. Windham County had 19,059 households in 2017, with a population of 43,332.
The county with the highest median resident income in the state was Grand Isle County. Grand Isle County's median income was $34,675 per year after adjusting for inflation – $7,622 more than Windham County. It had 2,952 households in 2017 and a population of 6,950.
Essex County had the lowest annual resident income among counties in Vermont, with a median income of only $21,415 per year. That was $5,638 less than the median income in Windham County at the time. Essex County had 2,720 households in 2017 and a population of 6,203.
The table below shows the state's counties ranked by median annual resident earnings in 2017.