Colonized by Spain, the land that is now New Mexico became U.S. territory as part oft he Gadsen Purchase in 1853, though New Mexico did not become a U.S. state until 1912.
Average incomes in Florida are $75,000. Average salaries in Michigan and Pennsylvania are $73,000 per annual. By far most paid US city is San Francisco, with average salary about $100,000 per annual. The second largest salaries are in New York City, Washington DC, and Boston, all from $87,000 to $88,000 per annual.
Either way, we have you covered. In the September 2014 Census Bureau report on income and poverty in the U.S., the median household income in America across all jobs was $51,939. That reflects 2013 information; 2014 data will be out in September of this year. That figure was not statistically different from 2012, reflecting continually stagnant wages.