Ranked by projected income per capita
| Rank | County | Income per capita* | Estimated population |
|---|---|---|---|
| 1 | Teton, Wyo. | $113,138 | 22,852 |
| 2 | New York, N.Y. | $97,631 | 1,589,374 |
| 3 | Marin, Calif | $86,604 | 255,509 |
| 4 | Alexandria, Va.** | $72,906 | 142,810 |
| 5 | Pitkin, Colo. | $72,523 | 17,563 |
| 6 | Arlington, Va. | $71,755 | 211,440 |
| 7 | Westchester, N.Y. | $69,410 | 954,394 |
| 8 | Fairfield, Conn. | $69,378 | 924,198 |
| 9 | Nantucket, Mass. | $67,224 | 10,403 |
| 10 | San Mateo, Calif. | $66,613 | 727,868 |
| 11 | District of Columbia*** | $66,274 | 604,704 |
| 12 | San Francisco, Calif. | $65,481 | 802,155 |
| 13 | Somerset, N.J. | $65,312 | 331,507 |
| 14 | Hunterdon, N.J. | $63,722 | 131,728 |
| 15 | Morris, N.J. | $63,047 | 496,103 |
| 16 | Fairfax, Fairfax City, Falls Church, Va.** | $62,361 | 1,174,873 |
| 17 | Montgomery, Md. | $62,065 | 1,007,127 |
| 18 | Bergen, N.J. | $61,090 | 907,538 |
| 19 | Nassau, N.Y. | $60,544 | 1,345,594 |
| 20 | Norfolk, Mass. | $58,823 | 676,993 |
| 21 | Montgomery, Pa. | $58,530 | 807,157 |
| 22 | Goochland, Va. | $56,349 | 22,818 |
| 23 | Middlesex, Mass. | $56,285 | 1,514,090 |
| 24 | Monroe, Fla. | $56,210 | 74,376 |
| 25 | Contra Costa, Calif. | $55,738 | 1,064,211 |
| 26 | Summit, Utah | $55,393 | 38,074 |
| 27 | Howard, Md. | $55,323 | 302,876 |
| 28 | Ozaukee, Wis. | $55,286 | 88,368 |
| 29 | Los Alamos, N.M. | $54,814 | 18,287 |
| 30 | Blaine, Idaho | $54,410 | 22,026 |
| 31 | Monmouth, N.J. | $54,038 | 637,354 |
| 32 | Chester, Pa. | $53,488 | 504,943 |
| 33 | Midland, Texas | $53,316 | 139,044 |
| 34 | Collier, Fla. | $53,277 | 337,421 |
| 35 | Hennepin, Minn. | $53,241 | 1,162,311 |
| 36 | Dukes, Mass. | $53,209 | 17,014 |
| 37 | Santa Clara, Calif. | $53,138 | 1,814,257 |
| 38 | Fulton, Ga. | $52,391 | 941,106 |
| 39 | Douglas, Colo. | $52,289 | 333,185 |
| 40 | King, Wash. | $51,789 | 1,999,296 |
| 41 | Natrona, Wyo. | $51,692 | 77,076 |
| 42 | Martin, Fla. | $50,983 | 149,984 |
| 43 | Sublette, Wyo. | $50,891 | 10,833 |
| 44 | Denver, Colo. | $50,653 | 602,037 |
| 45 | Palm Beach, Fla. | $50,598 | 1,378,072 |
| 46 | San Juan, Wash. | $50,526 | 16,239 |
| 47 | Sarasota, Fla. | $50,444 | 388,356 |
| 48 | Talbot, Md. | $50,386 | 38,809 |
| 49 | Union, S.D. | $50,134 | 14,604 |
| 50 | Anne Arundel, Md. | $50,080 | 548,509 |
| United States | $37,571 | 315,387,594 |
Ranked by estimated mean household income
| Rank | County | Mean household income* | Estimated population |
|---|---|---|---|
| 1 | Teton, Wyo. | $263,649 | 22,852 |
| 2 | Marin, Calif. | $203,995 | 255,509 |
| 3 | New York, N.Y. | $194,284 | 1,589,374 |
| 4 | Fairfield, Conn. | $184,902 | 924,198 |
| 5 | Westchester, N.Y. | $183,678 | 954,394 |
| 6 | San Mateo, Calif. | $182,231 | 727,868 |
| 7 | Nassau, N.Y. | $177,040 | 1,345,594 |
| 8 | Somerset, N.J. | $176,198 | 331,507 |
| 9 | Fairfax, Fairfax City, Falls Church, Va.** | $168,997 | 1,174,873 |
| 10 | Morris, N.J. | $168,045 | 496,103 |
| 11 | Hunterdon, N.J. | $167,099 | 131,728 |
| 12 | Montgomery, Md. | $165,996 | 1,007,127 |
| 13 | Bergen, N.J. | $161,877 | 907,538 |
| 14 | Nantucket, Mass. | $159,731 | 10,403 |
| 15 | Santa Clara, Calif. | $153,237 | 1,814,257 |
| 16 | Contra Costa, Calif. | $153,236 | 1,064,211 |
| 17 | Summit, Utah | $153,000 | 38,074 |
| 18 | Pitkin, Colo. | $150,458 | 17,563 |
| 19 | Howard, Md. | $149,126 | 302,876 |
| 20 | Arlington, Va. | $148,774 | 211,440 |
| 21 | Norfolk, Mass. | $148,633 | 676,993 |
| 22 | Montgomery, Pa. | $147,823 | 807,157 |
| 23 | San Francisco, Calif. | $147,577 | 802,155 |
| 24 | Rockland, N.Y. | $147,258 | 314,138 |
| 25 | Alexandria, Va.** | $146,872 | 142,810 |
| United States | $96,581 | 315,387,594 |
Ranked by estimated earnings per job
| Rank | County | Earnings per job* | Estimated employment | Estimated population |
|---|---|---|---|---|
| 1 | New York, N.Y. | $106,794 | 2,784,264 | 1,589,374 |
| 2 | District of Columbia*** | $93,076 | 816,135 | 604,704 |
| 3 | Chattahoochee, Ga. | $91,532 | 18,136 | 10,996 |
| 4 | Arlington, Va. | $88,857 | 210,387 | 211,440 |
| 5 | Suffolk, Mass. | $86,204 | 684,326 | 726,636 |
| 6 | San Francisco, Calif. | $82,066 | 716,088 | 802,155 |
| 7 | Santa Clara, Calif. | $80,316 | 1,169,361 | 1,814,257 |
| 8 | Somerset, N.J. | $77,373 | 223,266 | 331,507 |
| 9 | Alexandria, Va.** | $76,678 | 124,592 | 142,810 |
| 10 | San Mateo, Calif. | $76,397 | 479,405 | 727,868 |
| 11 | Martin, Ind. | $75,528 | 7,829 | 10,319 |
| 12 | Fairfield, Conn. | $74,946 | 611,172 | 924,198 |
| 13 | Los Alamos, N.M. | $74,299 | 20,167 | 18,287 |
| 14 | Fairfax, Fairfax City, Falls Church, Va.** | $72,820 | 872,177 | 1,174,873 |
| 15 | Harris, Texas | $72,375 | 2,768,395 | 4,247,766 |
| 16 | Geary, Kan. | $71,515 | 34,684 | 36,021 |
| 17 | Fulton, Ga. | $71,041 | 908,353 | 941,106 |
| 18 | Christian, Ky. | $69,729 | 70,665 | 75,020 |
| 19 | Denver, Colo. | $69,410 | 539,541 | 602,037 |
| 20 | Morris, N.J. | $67,996 | 376,889 | 496,103 |
| 21 | Philadelphia, Pa. | $66,844 | 743,284 | 1,523,179 |
| 22 | Liberty, Ga. | $66,470 | 38,524 | 63,460 |
| 23 | Hudson, N.J. | $66,206 | 301,633 | 636,675 |
| 24 | Norfolk, Va.** | $65,996 | 207,180 | 241,848 |
| 25 | King George, Va. | $65,683 | 16,164 | 24,445 |
| United States | $48,707 | 175,736,302 | 315,387,594 |
As of November 30, 2012. *In 2005 inflation-adjusted dollars **Independent city ***Federal district
Source: Woods & Poole Economics Inc.
