Demographia

US Counties Over 250,000:
1990 Ranked

Rank County State 1999 1990
1 Los Angeles County California 9,329,989 8,863,164
2 Cook County Illinois 5,192,326 5,105,067
3 Harris County Texas 3,250,404 2,818,199
4 San Diego County California 2,820,844 2,498,016
5 Orange County California 2,760,948 2,410,556
6 Kings County New York 2,268,297 2,300,664
7 Maricopa County Arizona 2,861,395 2,122,101
8 Wayne County Michigan 2,106,495 2,111,687
9 Queens County New York 2,000,642 1,951,598
10 Miami-Dade County Florida 2,175,634 1,937,094
11 Dallas County Texas 2,062,100 1,852,810
12 Philadelphia County Pennsylvania 1,417,601 1,585,577
13 King County Washington 1,664,846 1,507,319
14 Santa Clara County California 1,647,419 1,497,577
15 New York County New York 1,551,844 1,487,536
16 San Bernardi County California 1,669,934 1,418,380
17 Cuyahoga County Ohio 1,371,717 1,412,140
18 Middlesex County Massachusetts 1,426,606 1,398,468
19 Allegheny County Pennsylvania 1,256,806 1,336,449
20 Suffolk County New York 1,383,847 1,321,864
21 Nassau County New York 1,305,057 1,287,348
22 Alameda County California 1,415,582 1,279,182
23 Broward County Florida 1,535,468 1,255,488
24 Bronx County New York 1,194,099 1,203,789
25 Bexar County Texas 1,372,867 1,185,394
26 Riverside County California 1,530,653 1,170,413
27 Tarrant County Texas 1,382,442 1,170,103
28 Oakland County Michigan 1,179,978 1,083,592
29 Sacramento County California 1,184,586 1,041,219
30 Hennepin County Minnesota 1,064,419 1,032,431
31 St. Louis County Missouri 996,181 993,529
32 Erie County New York 925,957 968,532
33 Franklin County Ohio 1,027,821 961,437
34 Milwaukee County Wisconsin 906,248 959,275
35 Westchester County New York 905,572 874,866
36 Hamilton County Ohio 840,443 866,228
37 Palm Beach County Florida 1,049,420 863,518
38 Hartford County Connecticut 829,671 851,783
39 Pinellas County Florida 878,499 851,659
40 Honolulu County Hawaii 864,571 836,231
41 Hillsborough County Florida 940,484 834,054
42 Fairfield County Connecticut 841,334 827,645
43 Shelby County Tennessee 873,000 826,330
44 Bergen County New Jersey 857,052 825,380
45 Fairfax County Virginia 945,717 818,584
46 New Haven County Connecticut 793,208 804,219
47 Contra Costa County California 933,141 803,732
48 Marion County Indiana 810,946 797,159
49 DuPage County Illinois 892,547 781,666
50 Essex County New Jersey 747,355 778,206
51 Montgomery County Maryland 852,174 757,027
52 Clark County Nevada 1,217,155 741,459
53 Baltimore city Maryland 632,681 736,014
54 Prince George's County Maryland 781,781 729,268
55 Salt Lake County Utah 850,243 725,956
56 San Francisco County California 746,777 723,959
57 Macomb County Michigan 792,082 717,400
58 Monroe County New York 712,419 713,968
59 Worcester County Massachusetts 738,629 709,705
60 Baltimore County Maryland 723,914 692,134
61 Montgomery County Pennsylvania 724,087 678,111
62 Orange County Florida 817,206 677,491
63 Duval County Florida 738,483 672,971
64 Middlesex County New Jersey 717,949 671,780
65 Essex County Massachusetts 704,407 670,080
66 Ventura County California 745,063 669,016
67 Fresno County California 763,069 667,490
68 Pima County Arizona 803,618 666,880
69 Jefferson County Kentucky 672,900 664,937
70 Suffolk County Massachusetts 641,695 663,906
71 Jefferson County Alabama 657,422 651,525
72 San Mateo County California 702,102 649,623
73 Fulton County Georgia 744,827 648,951
74 Jackson County Missouri 654,484 633,232
75 Norfolk County Massachusetts 643,580 616,087
76 Washington DC 519,000 606,900
77 Oklahoma County Oklahoma 636,539 599,611
78 Providence Rhode Island 574,108 596,270
79 El Paso County Texas 701,908 591,610
80 Pierce County Washington 688,807 586,203
81 Multnomah County Oregon 633,224 583,887
82 Travis County Texas 727,022 576,407
83 Montgomery County Ohio 565,866 573,809
84 Monmouth County New Jersey 611,444 553,124
85 Hudson County New Jersey 552,819 553,099
86 Delaware County Pennsylvania 541,502 547,651
87 DeKalb County Georgia 596,853 545,837
88 Kern County California 642,495 543,477
89 Bucks County Pennsylvania 594,047 541,174
90 Lake County Illinois 617,975 516,418
91 Summit County Ohio 537,856 514,990
92 Mecklenburg County North Carolina 648,400 511,433
93 Davidson County Tennessee 530,050 510,784
94 Bristol County Massachusetts 520,258 506,325
95 Tulsa County Oklahoma 548,296 503,341
96 Camden County New Jersey 503,093 502,824
97 Kent County Michigan 550,388 500,631
98 Orleans Parish Louisiana 460,913 496,938
99 Union County New Jersey 498,759 493,819
100 Ramsey County Minnesota 486,254 485,765
101 San Joaquin County California 563,183 480,628
102 Bernalillo County New Mexico 523,472 480,577
103 Lake County Indiana 480,619 475,594
104 Onondaga County New York 456,215 468,973
105 Denver County Colorado 499,775 467,610
106 Snohomish County Washington 596,598 465,642
107 Lucas County Ohio 446,482 462,361
108 Hampden County Massachusetts 438,279 456,310
109 Passaic County New Jersey 485,064 453,060
110 Jefferson Parish Louisiana 447,790 448,306
111 Cobb County Georgia 583,541 447,745
112 New Castle County Connecticut 487,182 441,946
113 Jefferson County Colorado 509,222 438,430
114 Plymouth County Massachusetts 473,026 435,276
115 Ocean County New Jersey 497,533 433,203
116 Genesee County Michigan 437,349 430,459
117 Anne Arundel County Maryland 480,483 427,239
118 Wake County North Carolina 586,940 423,380
119 Lancaster County Pennsylvania 460,035 422,822
120 Morris County New Jersey 463,545 421,353
121 Douglas County Nebraska 446,277 416,444
122 Polk County Florida 457,347 405,382
123 Sedgwick County Kansas 451,684 403,662
124 Brevard County Florida 470,365 398,978
125 El Paso County Colorado 499,994 397,014
126 St. Louis city Missouri 333,960 396,685
127 Burlington County New Jersey 424,510 395,066
128 Virginia Beach city Virginia 433,461 393,069
129 Arapahoe County Colorado 482,089 391,511
130 Sonoma County California 439,970 388,222
131 Hidalgo County Texas 534,907 383,545
132 East Baton Rouge Parish Louisiana 393,294 380,105
133 Richmond County New York 413,280 378,977
134 Mobile County Alabama 399,652 378,643
135 Chester County Pennsylvania 430,001 376,396
136 Volusia County Florida 425,601 370,712
137 Stanislaus County California 436,790 370,522
138 Westmoreland County Pennsylvania 370,658 370,321
139 Santa Barbara County California 391,071 369,608
140 Stark County Ohio 373,174 367,585
141 Dane County Wisconsin 428,563 367,085
142 Spokane County Washington 409,736 361,364
143 Will County Illinois 478,392 357,313
144 Monterey County California 371,756 355,660
145 Johnson County Kansas 440,198 355,054
146 Gwinnett County Georgia 545,632 352,910
147 Pulaski County Arkansas 349,236 349,660
148 Guilford County North Carolina 391,380 347,420
149 Solano County California 385,723 340,421
150 York County Pennsylvania 376,586 339,574
151 Berks County Pennsylvania 358,211 336,523
152 Hillsborough County New Hampshire 367,233 336,073
153 Knox County Tennessee 376,039 335,749
154 Lee County Florida 400,542 335,113
155 Luzerne County Pennsylvania 312,000 328,149
156 Polk County Iowa 364,672 327,140
157 Mercer County New Jersey 333,861 325,824
158 Greenville County South Carolina 358,936 320,167
159 Kane County Illinois 402,622 317,471
160 Tulare County California 358,470 311,921
161 Washington County Oregon 409,305 311,554
162 Orange County New York 334,199 307,647
163 Waukesha County Wisconsin 358,442 304,715
164 Allen County Indiana 316,471 300,836
165 Charleston County South Carolina 319,921 295,039
166 Albany County New York 292,006 292,594
167 Butler County Ohio 333,486 291,479
168 Nueces County Texas 315,469 291,145
169 Lehigh County Pennsylvania 299,855 291,130
170 Seminole County Florida 357,390 287,529
171 Richland County South Carolina 307,279 285,720
172 Hamilton County Tennessee 294,720 285,536
173 Washtenaw County Michigan 306,073 282,937
174 Lane County Oregon 314,901 282,912
175 Ingham County Michigan 285,123 281,912
176 Pasco County Florida 330,704 281,131
177 Clackamas County Oregon 338,251 278,850
178 Sarasota County Florida 306,546 277,776
179 Erie County Pennsylvania 276,993 275,572
180 Dakota County Minnesota 349,131 275,227
181 Cumberland County North Carolina 283,650 274,566
182 Denton County Texas 404,074 273,525
183 Lorain County Ohio 282,100 271,126
184 Forsyth County North Carolina 288,810 265,878
185 Rockland County New York 284,022 265,475
186 Adams County Colorado 331,045 265,038
187 Mahoning County Ohio 252,597 264,806
188 Collin County Texas 456,612 264,036
189 Utah County Utah 346,997 263,590
190 St. Clair County Illinois 260,050 262,852
191 Escambia County Florida 282,432 262,798
192 Norfolk city Virginia 225,875 261,229
193 Cameron County Texas 329,131 260,120
194 Dutchess County New York 268,237 259,462
195 New London County Connecticut 246,049 254,957
196 Washoe County Nevada 319,816 254,667
197 Hinds County Mississippi 245,737 254,441
198 Winnebago County Illinois 268,126 252,913
199 Oneida County New York 229,714 250,836

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