Top 25 Counties in the U.S. ranked by Largest 
  Population, 1990

County, State                          Number    Rank
-----------------------------------------------------
Los Angeles, CA                     8,863,052       1
Cook, IL                            5,105,044       2
Harris, TX                          2,818,101       3
San Diego, CA                       2,498,016       4
Orange, CA                          2,410,668       5
Kings, NY                           2,300,664       6
Maricopa, AZ                        2,122,101       7
Wayne, MI                           2,111,687       8
Queens, NY                          1,951,598       9
Dade, FL                            1,937,194      10
Dallas, TX                          1,852,691      11
Philadelphia, PA                    1,585,577      12
King, WA                            1,507,305      13
Santa Clara, CA                     1,497,577      14
New York, NY                        1,487,536      15
San Bernardino, CA                  1,418,380      16
Cuyahoga, OH                        1,412,140      17
Middlesex, MA                       1,398,468      18
Allegheny, PA                       1,336,449      19
Suffolk, NY                         1,321,339      20
Alameda, CA                         1,304,347      21
Nassau, NY                          1,287,873      22
Broward, FL                         1,255,531      23
Bronx, NY                           1,203,789      24
Bexar, TX                           1,185,394      25

Source:  U.S. Census Bureau,
         County and City Data Book: 2000,
         Table B-1.