Demographia

US Counties Over 250,000:
1999 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 Maricopa County Arizona 2,861,395 2,122,101
5 San Diego County California 2,820,844 2,498,016
6 Orange County California 2,760,948 2,410,556
7 Kings County New York 2,268,297 2,300,664
8 Miami-Dade County Florida 2,175,634 1,937,094
9 Wayne County Michigan 2,106,495 2,111,687
10 Dallas County Texas 2,062,100 1,852,810
11 Queens County New York 2,000,642 1,951,598
12 San Bernardi County California 1,669,934 1,418,380
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 Broward County Florida 1,535,468 1,255,488
17 Riverside County California 1,530,653 1,170,413
18 Middlesex County Massachusetts 1,426,606 1,398,468
19 Philadelphia County Pennsylvania 1,417,601 1,585,577
20 Alameda County California 1,415,582 1,279,182
21 Suffolk County New York 1,383,847 1,321,864
22 Tarrant County Texas 1,382,442 1,170,103
23 Bexar County Texas 1,372,867 1,185,394
24 Cuyahoga County Ohio 1,371,717 1,412,140
25 Nassau County New York 1,305,057 1,287,348
26 Allegheny County Pennsylvania 1,256,806 1,336,449
27 Clark County Nevada 1,217,155 741,459
28 Bronx County New York 1,194,099 1,203,789
29 Sacramento County California 1,184,586 1,041,219
30 Oakland County Michigan 1,179,978 1,083,592
31 Hennepin County Minnesota 1,064,419 1,032,431
32 Palm Beach County Florida 1,049,420 863,518
33 Franklin County Ohio 1,027,821 961,437
34 St. Louis County Missouri 996,181 993,529
35 Fairfax County Virginia 945,717 818,584
36 Hillsborough County Florida 940,484 834,054
37 Contra Costa County California 933,141 803,732
38 Erie County New York 925,957 968,532
39 Milwaukee County Wisconsin 906,248 959,275
40 Westchester County New York 905,572 874,866
41 DuPage County Illinois 892,547 781,666
42 Pinellas County Florida 878,499 851,659
43 Shelby County Tennessee 873,000 826,330
44 Honolulu County Hawaii 864,571 836,231
45 Bergen County New Jersey 857,052 825,380
46 Montgomery County Maryland 852,174 757,027
47 Salt Lake County Utah 850,243 725,956
48 Fairfield County Connecticut 841,334 827,645
49 Hamilton County Ohio 840,443 866,228
50 Hartford County Connecticut 829,671 851,783
51 Orange County Florida 817,206 677,491
52 Marion County Indiana 810,946 797,159
53 Pima County Arizona 803,618 666,880
54 New Haven County Connecticut 793,208 804,219
55 Macomb County Michigan 792,082 717,400
56 Prince George's County Maryland 781,781 729,268
57 Fresno County California 763,069 667,490
58 Essex County New Jersey 747,355 778,206
59 San Francisco County California 746,777 723,959
60 Ventura County California 745,063 669,016
61 Fulton County Georgia 744,827 648,951
62 Worcester County Massachusetts 738,629 709,705
63 Duval County Florida 738,483 672,971
64 Travis County Texas 727,022 576,407
65 Montgomery County Pennsylvania 724,087 678,111
66 Baltimore County Maryland 723,914 692,134
67 Middlesex County New Jersey 717,949 671,780
68 Monroe County New York 712,419 713,968
69 Essex County Massachusetts 704,407 670,080
70 San Mateo County California 702,102 649,623
71 El Paso County Texas 701,908 591,610
72 Pierce County Washington 688,807 586,203
73 Jefferson County Kentucky 672,900 664,937
74 Jefferson County Alabama 657,422 651,525
75 Jackson County Missouri 654,484 633,232
76 Mecklenburg County North Carolina 648,400 511,433
77 Norfolk County Massachusetts 643,580 616,087
78 Kern County California 642,495 543,477
79 Suffolk County Massachusetts 641,695 663,906
80 Oklahoma County Oklahoma 636,539 599,611
81 Multnomah County Oregon 633,224 583,887
82 Baltimore city Maryland 632,681 736,014
83 Lake County Illinois 617,975 516,418
84 Monmouth County New Jersey 611,444 553,124
85 DeKalb County Georgia 596,853 545,837
86 Snohomish County Washington 596,598 465,642
87 Bucks County Pennsylvania 594,047 541,174
88 Wake County North Carolina 586,940 423,380
89 Cobb County Georgia 583,541 447,745
90 Providence Rhode Island 574,108 596,270
91 Montgomery County Ohio 565,866 573,809
92 San Joaquin County California 563,183 480,628
93 Hudson County New Jersey 552,819 553,099
94 Kent County Michigan 550,388 500,631
95 Tulsa County Oklahoma 548,296 503,341
96 Gwinnett County Georgia 545,632 352,910
97 Delaware County Pennsylvania 541,502 547,651
98 Summit County Ohio 537,856 514,990
99 Hidalgo County Texas 534,907 383,545
100 Davidson County Tennessee 530,050 510,784
101 Bernalillo County New Mexico 523,472 480,577
102 Bristol County Massachusetts 520,258 506,325
103 Washington DC 519,000 606,900
104 Jefferson County Colorado 509,222 438,430
105 Camden County New Jersey 503,093 502,824
106 El Paso County Colorado 499,994 397,014
107 Denver County Colorado 499,775 467,610
108 Union County New Jersey 498,759 493,819
109 Ocean County New Jersey 497,533 433,203
110 New Castle County Connecticut 487,182 441,946
111 Ramsey County Minnesota 486,254 485,765
112 Passaic County New Jersey 485,064 453,060
113 Arapahoe County Colorado 482,089 391,511
114 Lake County Indiana 480,619 475,594
115 Anne Arundel County Maryland 480,483 427,239
116 Will County Illinois 478,392 357,313
117 Plymouth County Massachusetts 473,026 435,276
118 Brevard County Florida 470,365 398,978
119 Morris County New Jersey 463,545 421,353
120 Orleans Parish Louisiana 460,913 496,938
121 Lancaster County Pennsylvania 460,035 422,822
122 Polk County Florida 457,347 405,382
123 Collin County Texas 456,612 264,036
124 Onondaga County New York 456,215 468,973
125 Sedgwick County Kansas 451,684 403,662
126 Jefferson Parish Louisiana 447,790 448,306
127 Lucas County Ohio 446,482 462,361
128 Douglas County Nebraska 446,277 416,444
129 Johnson County Kansas 440,198 355,054
130 Sonoma County California 439,970 388,222
131 Hampden County Massachusetts 438,279 456,310
132 Genesee County Michigan 437,349 430,459
133 Stanislaus County California 436,790 370,522
134 Virginia Beach city Virginia 433,461 393,069
135 Chester County Pennsylvania 430,001 376,396
136 Dane County Wisconsin 428,563 367,085
137 Volusia County Florida 425,601 370,712
138 Burlington County New Jersey 424,510 395,066
139 Richmond County New York 413,280 378,977
140 Spokane County Washington 409,736 361,364
141 Washington County Oregon 409,305 311,554
142 Denton County Texas 404,074 273,525
143 Kane County Illinois 402,622 317,471
144 Lee County Florida 400,542 335,113
145 Mobile County Alabama 399,652 378,643
146 East Baton Rouge Parish Louisiana 393,294 380,105
147 Guilford County North Carolina 391,380 347,420
148 Santa Barbara County California 391,071 369,608
149 Solano County California 385,723 340,421
150 York County Pennsylvania 376,586 339,574
151 Knox County Tennessee 376,039 335,749
152 Stark County Ohio 373,174 367,585
153 Monterey County California 371,756 355,660
154 Westmoreland County Pennsylvania 370,658 370,321
155 Hillsborough County New Hampshire 367,233 336,073
156 Polk County Iowa 364,672 327,140
157 Greenville County South Carolina 358,936 320,167
158 Tulare County California 358,470 311,921
159 Waukesha County Wisconsin 358,442 304,715
160 Berks County Pennsylvania 358,211 336,523
161 Seminole County Florida 357,390 287,529
162 Fort Bend County Texas 353,697 225,421
163 Pulaski County Arkansas 349,236 349,660
164 Dakota County Minnesota 349,131 275,227
165 Utah County Utah 346,997 263,590
166 Clackamas County Oregon 338,251 278,850
167 Clark County Washington 336,268 238,053
168 Orange County New York 334,199 307,647
169 St. Louis city Missouri 333,960 396,685
170 Mercer County New Jersey 333,861 325,824
171 Butler County Ohio 333,486 291,479
172 Adams County Colorado 331,045 265,038
173 Pasco County Florida 330,704 281,131
174 Cameron County Texas 329,131 260,120
175 Charleston County South Carolina 319,921 295,039
176 Washoe County Nevada 319,816 254,667
177 Allen County Indiana 316,471 300,836
178 Nueces County Texas 315,469 291,145
179 Lane County Oregon 314,901 282,912
180 Luzerne County Pennsylvania 312,000 328,149
181 Richland County South Carolina 307,279 285,720
182 Sarasota County Florida 306,546 277,776
183 Washtenaw County Michigan 306,073 282,937
184 Lehigh County Pennsylvania 299,855 291,130
185 Anoka County Minnesota 298,948 243,641
186 Hamilton County Tennessee 294,720 285,536
187 Albany County New York 292,006 292,594
188 Forsyth County North Carolina 288,810 265,878
189 Somerset County New Jersey 288,090 240,279
190 Montgomery County Texas 287,644 182,201
191 Ingham County Michigan 285,123 281,912
192 Rockland County New York 284,022 265,475
193 Cumberland County North Carolina 283,650 274,566
194 Ada County Idaho 283,402 205,775
195 Escambia County Florida 282,432 262,798
196 Lorain County Ohio 282,100 271,126
197 St. Charles County Missouri 280,448 212,907
198 Madison County Alabama 280,381 238,912
199 Erie County Pennsylvania 276,993 275,572
200 Rockingham County New Hampshire 275,488 245,845
201 Boulder County Colorado 273,112 225,339
202 Marion County Oregon 272,760 228,483
203 Prince William County Virginia 270,841 215,686
204 Dutchess County New York 268,237 259,462
205 Winnebago County Illinois 268,126 252,913
206 St. Clair County Illinois 260,050 262,852
207 Northampton County Pennsylvania 259,736 247,105
208 Madison County Illinois 259,434 249,238
209 St. Joseph County Indiana 258,537 247,052
210 Anchorage Borough Alaska 257,808 226,338
211 Cumberland County Maine 256,437 243,135
212 Chesterfield County Virginia 253,365 209,274
213 Mahoning County Ohio 252,597 264,806
214 Gloucester County New Jersey 250,492 230,082

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