The median income of Niagara County residents was an inflation-adjusted $28,261 per year. Niagara County had 87,978 households in 2017, with a population of 212,675.
The county with the highest median resident income in the state was New York County. New York County's median income was $46,152 per year after adjusting for inflation – $17,891 more than Niagara County. It had 758,345 households in 2017 and a population of 1,653,877.
Bronx County had the lowest annual resident income among counties in New York, with a median income of only $20,576 per year. That was $7,685 less than the median income in Niagara County at the time. Bronx County had 495,356 households in 2017 and a population of 1,455,846.
The table below shows the state's counties ranked by median annual resident earnings in 2017.