The median income of Rocklake residents was an inflation-adjusted $21,667 per year. Rocklake had 48 households in 2017, with a population of 92.
The city with the highest median resident income in the state was Nash. Nash's median income was $126,167 per year after adjusting for inflation – $104,500 more than Rocklake. It had 23 households in 2017 and a population of 38.
Selz had the lowest annual resident income among cities in North Dakota, with a median income of only $8,571 per year. That was $13,096 less than the median income in Rocklake at the time. Selz had 16 households in 2017 and a population of 26.
The table below shows the top 100 cities ranked by median annual resident earnings in 2017.