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Largest Counties - Smallest Counties - Largest Metro Areas
Census Bureau Releases 2000 Population Data for Counties and Metro Areas
Related Resources
1998 Metropolitan Areas Population Estimates
1998 Largest Counties
Large Cities Resources

Please follow this link for the latest and most up-to-date metropolitan area population estimates.

by Matt Rosenberg
January 1, 2002

The United States Census Bureau recently released population data for counties and metropolitan areas based on the 2000 Census. Below are lists of the fifteen most populous counties, fifteen least populous counties, and the fifteen most populous metropolitan areas.

Largest Counties
Rank County 2000 Pop.
1 Los Angeles Co., California 9,519,338
2 Cook Co., Illinois 5,376,741
3 Harris Co., Texas 3,400,578
4 Maricopa Co., Arizona 3,072,149
5 Orange Co., California 2,846,289
6 San Diego Co., California 2,813,833
7 Kings Co., New York 2,465,326
8 Miami-Dade Co., Florida 2,253,362
9 Queens Co., New York 2,229,379
10 Dallas Co., Texas 2,218,899
11 Wayne Co., Michigan 2,061,162
12 King Co., Washington 1,737,034
13 San Bernardino Co., California 1,709,434
14 Santa Clara Co., California 1,682,585
15 Broward Co., Florida 1,623,018

Smallest Counties

Rank County 2000 Pop.
1 Loving Co., Texas 67
2 Kalawao Co., Hawaii 147
3 King Co., Texas 356
4 Kenedy Co., Texas 414
5 Arthur Co., Nebraska 444
6 Petroleum Co., Montana 493
7 McPherson Co., Nebraska 533
8 San Juan Co., Colorado 558
9 Blaine Co., Nebraska 583
10 Loup Co., Nebraska 712
11 Thomas Co., Nebraska 729
12 Borden Co., Texas 729
13 Grant Co., Nebraska 747
14 Slope Co., North Dakota 767
15 Logan Co., Nebraska 774

Largest Metrpolitan Areas

Rank Metropolitan Area Name States 2000 Pop.
1 New York-Northern New Jersey-Long Island New York, New Jersey, Connecticut, Pennsylvania 21,199,865
2 Los Angeles-Riverside-Orange County California 16,373,645
3 Chicago-Gary-Kenosha Illinois, Indiana, Wisconsin 9,157,540
4 Washington-Baltimore District of Columbia, Maryland, Virginia, West Virginia 7,608,070
5 San Francisco-Oakland-San Jose California 7,039,362
6 Philadelphia-Wilmington-Atlantic City Pennsylvania, New Jersey, Delaware, Maryland 6,188,463
7 Boston-Worcester-Lawrence Massachusetts, New Hampshire, Maine, Connecticut 5,819,100
8 Detroit-Ann Arbor-Flint Michigan 5,456,428
9 Dallas-Fort Worth Texas 5,221,801
10 Houston-Galveston-Brazoria Texas 4,669,571
11 Atlanta Georgia 4,112,198
12 Miami-Fort Lauderdale Florida 3,876,380
13 Seattle-Tacoma-Bremerton Washington 3,554,760
14 Phoenix-Mesa Arizona 3,251,876
15 Minneapolis-St. Paul Minnesota, Wisconsin 2,968,806

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