Highest-income counties in the US
Compare median household income, a measure of income rather than accumulated wealth.
U.S. Census Bureau ACS 5-year estimatesPeriod: 2020–2024 ACS 5-yearRetrieved 2026-10-05T08:20:49+00:00
Median household income: ACS B19013_001E, in the release year’s inflation-adjusted dollars. This is not net worth or individual earnings. All US counties and county equivalents with usable estimates. ACS 5-year pooled estimates; margins of error are at the 90% confidence level. Ranks do not imply statistically significant differences. Missing, suppressed, and annotated/top-coded estimates are excluded.
Ranks are competition ranks computed across the full filtered set.
| Rank | Name | State | Median household income | Population |
|---|---|---|---|---|
| 1 | Loudoun County | Virginia | $181,765 ±$3,438 | 432,998 |
| 2 | Santa Clara County | California | $164,281 ±$1,955 | 1,902,047 |
| 3 | San Mateo County | California | $158,855 ±$2,851 | 742,340 |
| 4 | Fairfax County | Virginia | $153,637 ±$1,635 | 1,147,837 |
| 5 | Howard County | Maryland | $149,763 ±$3,158 | 336,328 |
| 6 | Douglas County | Colorado | $149,594 ±$2,519 | 377,150 |
| 7 | Marin County | California | $149,091 ±$4,474 | 257,969 |
| 8 | Los Alamos County | New Mexico | $147,139 ±$10,556 | 19,435 |
| 9 | Nassau County | New York | $146,202 ±$1,472 | 1,389,591 |
| 10 | Forsyth County | Georgia | $143,784 ±$2,813 | 267,287 |
| 11 | Falls Church city | Virginia | $143,262 ±$15,432 | 14,710 |
| 12 | Arlington County | Virginia | $142,114 ±$3,551 | 236,254 |
| 13 | Hunterdon County | New Jersey | $141,715 ±$3,618 | 130,160 |
| 14 | San Francisco County | California | $140,970 ±$2,593 | 830,235 |
| 15 | Somerset County | New Jersey | $140,374 ±$3,294 | 349,846 |
| 16 | Nantucket County | Massachusetts | $139,688 ±$16,786 | 14,483 |
| 17 | Summit County | Utah | $138,114 ±$7,368 | 42,970 |
| 18 | Stafford County | Virginia | $137,807 ±$4,821 | 163,466 |
| 19 | Morris County | New Jersey | $137,326 ±$2,991 | 514,528 |
| 20 | Williamson County | Tennessee | $135,594 ±$4,044 | 260,351 |
| 21 | Aleutians West Census Area | Alaska | $135,500 ±$14,096 | 5,235 |
| 22 | Calvert County | Maryland | $133,922 ±$4,535 | 94,313 |
| 23 | Delaware County | Ohio | $133,540 ±$2,345 | 226,834 |
| 24 | Elbert County | Colorado | $132,685 ±$7,368 | 27,874 |
| 25 | Montgomery County | Maryland | $132,450 ±$2,073 | 1,065,949 |
| 26 | Fairfax city | Virginia | $132,348 ±$10,015 | 25,026 |
| 27 | Prince William County | Virginia | $131,402 ±$2,625 | 488,880 |
| 28 | Morgan County | Utah | $130,929 ±$7,500 | 12,802 |
| 29 | Middlesex County | Massachusetts | $130,847 ±$1,164 | 1,638,365 |
| 30 | Norfolk County | Massachusetts | $130,739 ±$2,551 | 730,082 |
| 31 | Suffolk County | New York | $130,686 ±$1,707 | 1,530,146 |
| 32 | Fauquier County | Virginia | $130,189 ±$8,609 | 74,577 |
| 33 | Alameda County | California | $129,367 ±$1,284 | 1,649,473 |
| 34 | Western Connecticut Planning Region | Connecticut | $128,188 ±$2,370 | 627,071 |
| 35 | Rockwall County | Texas | $127,981 ±$4,257 | 123,617 |
| 36 | Contra Costa County | California | $127,229 ±$1,713 | 1,165,012 |
| 37 | Chester County | Pennsylvania | $127,208 ±$2,511 | 547,840 |
| 38 | Putnam County | New York | $126,257 ±$5,160 | 98,107 |
| 39 | Carver County | Minnesota | $125,946 ±$3,700 | 110,041 |
| 40 | Dukes County | Massachusetts | $125,786 ±$14,169 | 20,933 |
| 41 | Anne Arundel County | Maryland | $124,911 ±$1,826 | 598,166 |
| 42 | Bergen County | New Jersey | $124,884 ±$1,735 | 962,316 |
| 43 | Monmouth County | New Jersey | $124,845 ±$2,115 | 645,353 |
| 44 | King County | Washington | $124,746 ±$968 | 2,287,171 |
| 45 | Teton County | Wyoming | $124,172 ±$24,638 | 23,396 |
| 46 | Broomfield County | Colorado | $123,874 ±$3,714 | 76,304 |
| 47 | New Kent County | Virginia | $123,314 ±$7,122 | 25,105 |
| 48 | Charles County | Maryland | $122,816 ±$3,121 | 170,527 |
| 49 | Oldham County | Kentucky | $122,497 ±$5,474 | 69,257 |
| 50 | Frederick County | Maryland | $122,002 ±$2,489 | 287,048 |
± figures are the published 90% margin of error; small differences between estimates may not be statistically significant.
3143 ranked entries.