The median income of Ayer residents was an inflation-adjusted $40,313 per year. Ayer had 1,363 households in 2017, with a population of 2,679.
The city with the highest median resident income in the state was Lexington. Lexington's median income was $68,943 per year after adjusting for inflation – $28,630 more than Ayer. It had 11,755 households in 2017 and a population of 33,339.
Amherst Center had the lowest annual resident income among cities in Massachusetts, with a median income of only $5,042 per year. That was $35,271 less than the median income in Ayer at the time. Amherst Center had 2,979 households in 2017 and a population of 20,084.
The table below shows the top 100 cities ranked by median annual resident earnings in 2017.