The median income of Seaford residents was an inflation-adjusted $26,234 per year. Seaford had 2,872 households in 2017, with a population of 7,447.
The city with the highest median resident income in the state was Henlopen Acres. Henlopen Acres's median income was $81,250 per year after adjusting for inflation – $55,016 more than Seaford. It had 85 households in 2017 and a population of 185.
Newark had the lowest annual resident income among cities in Delaware, with a median income of only $17,159 per year. That was $9,075 less than the median income in Seaford at the time. Newark had 10,230 households in 2017 and a population of 33,243.
The table below shows the top 74 cities ranked by median annual resident earnings in 2017.