The county-level estimates measure personal income, which includes wages, employee health insurance, earned interest and other sources.
Of all localities, the following recorded the highest per capita totals for 2010:
| Area | 2010 | 2009 | 2000 | 1990 |
|---|---|---|---|---|
| New York, NY | $111,386 | $104,384 | $83,947 | $52,740 |
| Teton, WY | $94,672 | $90,113 | $65,255 | $35,323 |
| Marin, CA | $82,936 | $81,081 | $69,936 | $34,640 |
| Sully, SD | $80,165 | $60,114 | $44,621 | $26,832 |
| Arlington, VA | $79,967 | $77,710 | $50,815 | $31,026 |
| Alexandria (City), VA | $76,362 | $74,608 | $48,781 | $31,168 |
| Pitkin, CO | $76,318 | $74,907 | $69,106 | $31,349 |
| Nantucket, MA | $73,654 | $67,285 | $50,053 | $30,712 |
| Westchester, NY | $73,159 | $71,857 | $54,600 | $34,033 |
| Fairfield, CT | $71,768 | $70,494 | $59,589 | $33,682 |
Governing compiled data for all counties into the map below, with personal income increasing greater in dark-colored counties. View a larger, interactive map with data for each county
