The median income of Dallas County residents was an inflation-adjusted $28,305 per year. Dallas County had 906,179 households in 2017, with a population of 2,552,213.
The county with the highest median resident income in the state was Collin County. Collin County's median income was $43,532 per year after adjusting for inflation – $15,227 more than Dallas County. It had 323,905 households in 2017 and a population of 914,075.
Hudspeth County had the lowest annual resident income among counties in Texas, with a median income of only $12,295 per year. That was $16,010 less than the median income in Dallas County at the time. Hudspeth County had 890 households in 2017 and a population of 3,702.
The table below shows the top 100 counties ranked by median annual resident earnings in 2017.