
|  | US Counties With A Population Of 1 Million Or More The table below lists U.S. counties with an estimated population of 1 million or more as of July 2007. | State | County | Estimated Population 2007 | | | | | Arizona | Maricopa County | 3,880,181 | | California | Alameda County | 1,464,202 | | California | Contra Costa County | 1,019,640 | | California | Los Angeles County | 9,878,554 | | California | Orange County | 2,997,033 | | California | Riverside County | 2,073,571 | | California | Sacramento County | 1,386,667 | | California | San Bernardino County | 2,007,800 | | California | San Diego County | 2,974,859 | | California | Santa Clara County | 1,748,976 | | Florida | Broward County | 1,759,591 | | Florida | Hillsborough County | 1,174,727 | | Florida | Miami-Dade County | 2,387,170 | | Florida | Orange County | 1,066,113 | | Florida | Palm Beach County | 1,266,451 | | Georgia | Fulton County | 1,000,000 | | Illinois | Cook County | 5,285,107 | | Massachusetts | Middlesex County | 1,473,416 | | Michigan | Oakland County | 1,206,089 | | Michigan | Wayne County | 1,985,101 | | Minnesota | Hennepin County | 1,136,599 | | Missouri | St Louis County | 1,000,000 | | Nevada | Clark County | 1,836,333 | | New York | Bronx County | 1,373,659 | | New York | Kings County | 2,528,050 | | New York | Nassau County | 1,306,533 | | New York | New York County | 1,620,867 | | New York | Queens County | 2,270,338 | | New York | Suffolk County | 1,453,229 | | Ohio | Cuyahoga County | 1,295,958 | | Ohio | Franklin County | 1,118,107 | | Pennsylvania | Allegheny County | 1,219,210 | | Pennsylvania | Philadelphia County | 1,449,634 | | Texas | Bexar County | 1,594,493 | | Texas | Dallas County | 2,366,511 | | Texas | Harris County | 3,935,855 | | Texas | Tarrant County | 1,717,435 | | Utah | Salt Lake County | 1,009,518 | | Virginia | Fairfax County | 1,010,241 | | Washington | King County | 1,859,284 |
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