The median income of Rockville residents was an inflation-adjusted $44,250 per year. Rockville had 68 households in 2017, with a population of 132.
The city with the highest median resident income in the state was Pawleys Island. Pawleys Island's median income was $58,333 per year after adjusting for inflation – $14,083 more than Rockville. It had 47 households in 2017 and a population of 78.
Tigerville had the lowest annual resident income among cities in South Carolina, with a median income of only $3,263 per year. That was $40,987 less than the median income in Rockville at the time. Tigerville had 24 households in 2017 and a population of 1,854.
The table below shows the top 100 cities ranked by median annual resident earnings in 2017.