| Los Angeles | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Los Angeles | California | 9519338 | 9666193 |
| Orange | California | 2846289 | 2906259 |
| San Bernardino | California | 1709434 | 1752242 |
| Riverside | California | 1545387 | 1605209 |
| Ventura | California | 753197 | 769687 |
| Chicago | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Cook | Illinois | 5376741 | 5395897 |
| DuPage | Illinois | 904161 | 915288 |
| Lake | Illinois | 644356 | 661877 |
| Will | Illinois | 502266 | 528966 |
| Lake | Indiana | 484564 | 484214 |
| Kane | Illinois | 404119 | 417534 |
| McHenry | Illinois | 260077 | 267932 |
| Kenosha | Wisconsin | 149577 | 151547 |
| Kendall | Illinois | 54544 | 57397 |
| Houston | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Harris | Texas | 3400578 | 3473121 |
| Fort Bend | Texas | 354452 | 373888 |
| Montgomery | Texas | 293768 | 311713 |
| Galveston | Texas | 250158 | 252690 |
| Brazoria | Texas | 241767 | 249158 |
| Liberty | Texas | 70154 | 72448 |
| Waller | Texas | 32663 | 34157 |
| Chambers | Texas | 26031 | 26856 |
| Cincinnati | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Hamilton | Ohio | 845303 | 838134 |
| Butler | Ohio | 332807 | 335992 |
| Clermont | Ohio | 177977 | 180970 |
| Warren | Ohio | 158383 | 168229 |
| Kenton | Kentucky | 151464 | 152589 |
| Campbell | Kentucky | 88616 | 88576 |
| Boone | Kentucky | 85991 | 90716 |
| Pittsburgh | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Allegheny | Pennsylvania | 1281666 | 1270775 |
| Westmoreland | Pennsylvania | 369993 | 367767 |
| Washington | Pennsylvania | 202897 | 202259 |
| Beaver | Pennsylvania | 181412 | 179293 |
| Fayette | Pennsylvania | 148644 | 148143 |
| Philadelphia | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Philadelphia | Pennsylvania | 1517550 | 1509243 |
| Montgomery | Pennsylvania | 750097 | 758265 |
| Bucks | Pennsylvania | 597635 | 603607 |
| Delaware | Pennsylvania | 550864 | 550256 |
| Camden | New Jersey | 508932 | 508256 |
| New Castle | Delaware | 500265 | 506877 |
| Chester | Pennsylvania | 433501 | 442508 |
| Burlington | New Jersey | 423394 | 427757 |
| Gloucester | New Jersey | 254673 | 257992 |
| Atlantic | New Jersey | 252552 | 256007 |
| Cecil | Maryland | 85951 | 88389 |
| Salem | New Jersey | 64285 | 63956 |
| Springfield | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Hampden | Massachusetts | 456228 | 457761 |
| Hartford | Connecticut | 857183 | 862873 |
| Hampshire | Massachusetts | 152251 | 153160 |
| Modesto | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Stanislaus | California | 446997 | 459919 |
| Tacoma | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Pierce | Washington | 700820 | 715733 |
| King | Washington | 1737034 | 1754673 |
| Minneapolis | |||
| COUNTY | STATE | POP2000 | POP2001 |
| Hennepin | Minnesota | 1116200 | 1126944 |
| Ramsey | Minnesota | 511035 | 514411 |
| Dakota | Minnesota | 355904 | 365000 |
| Anoka | Minnesota | 298084 | 305246 |
| Washington | Minnesota | 201130 | 207119 |
| Scott | Minnesota | 89498 | 96504 |
| Carver | Minnesota | 70205 | 73331 |