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Counties Ranked by Numeric Population Change: 1990 to 2000

Source: U.S. Census Bureau, Census 2000 Redistricting Data (P.L. 94-171) Summary File and 1990 Census.Internet Release date: April 2, 2001Note: 1990 populations shown in this table were originally published in 1990 Census reports and do not include subsequent revisions due to boundary or other changes.

 
Rank   State and
(of 3,141 County FIPS Census Population Change, 1990 to 2000
counties) Codes County Name State April 1, 1990 April 1, 2000 Numeric Percent
 
1 04013 Maricopa County AZ 2,122,101 3,072,149 950,048 44.8
2 06037 Los Angeles County CA 8,863,164 9,519,338 656,174 7.4
3 32003 Clark County NV 741,459 1,375,765 634,306 85.5
4 48201 Harris County TX 2,818,199 3,400,578 582,379 20.7
5 06059 Orange County CA 2,410,556 2,846,289 435,733 18.1
6 06065 Riverside County CA 1,170,413 1,545,387 374,974 32.0
7 12011 Broward County FL 1,255,488 1,623,018 367,530 29.3
8 48113 Dallas County TX 1,852,810 2,218,899 366,089 19.8
9 12086 Miami-Dade County FL 1,937,094 2,253,362 316,268 16.3
10 06073 San Diego County CA 2,498,016 2,813,833 315,817 12.6
11 06071 San Bernardino County CA 1,418,380 1,709,434 291,054 20.5
12 36081 Queens County NY 1,951,598 2,229,379 277,781 14.2
13 48439 Tarrant County TX 1,170,103 1,446,219 276,116 23.6
14 17031 Cook County IL 5,105,067 5,376,741 271,674 5.3
15 12099 Palm Beach County FL 863,518 1,131,184 267,666 31.0
16 48453 Travis County TX 576,407 812,280 235,873 40.9
17 13135 Gwinnett County GA 352,910 588,448 235,538 66.7
18 53033 King County WA 1,507,319 1,737,034 229,715 15.2
19 48085 Collin County TX 264,036 491,675 227,639 86.2
20 12095 Orange County FL 677,491 896,344 218,853 32.3
21 48029 Bexar County TX 1,185,394 1,392,931 207,537 17.5
22 37183 Wake County NC 423,380 627,846 204,466 48.3
23 48215 Hidalgo County TX 383,545 569,463 185,918 48.5
24 06085 Santa Clara County CA 1,497,577 1,682,585 185,008 12.4
25 37119 Mecklenburg County NC 511,433 695,454 184,021 36.0
26 06067 Sacramento County CA 1,041,219 1,223,499 182,280 17.5
27 04019 Pima County AZ 666,880 843,746 176,866 26.5
28 49035 Salt Lake County UT 725,956 898,387 172,431 23.8
29 13121 Fulton County GA 648,951 816,006 167,055 25.7
30 12057 Hillsborough County FL 834,054 998,948 164,894 19.8
31 36047 Kings County NY 2,300,664 2,465,326 164,662 7.2
32 06001 Alameda County CA 1,279,182 1,443,741 164,559 12.9
33 13067 Cobb County GA 447,745 607,751 160,006 35.7
34 48121 Denton County TX 273,525 432,976 159,451 58.3
35 51059 Fairfax County VA 818,584 969,749 151,165 18.5
36 06013 Contra Costa County CA 803,732 948,816 145,084 18.1
37 17197 Will County IL 357,313 502,266 144,953 40.6
38 53061 Snohomish County WA 465,642 606,024 140,382 30.1
39 41067 Washington County OR 311,554 445,342 133,788 42.9
40 06019 Fresno County CA 667,490 799,407 131,917 19.8
41 48157 Fort Bend County TX 225,421 354,452 129,031 57.2
42 36005 Bronx County NY 1,203,789 1,332,650 128,861 10.7
43 17097 Lake County IL 516,418 644,356 127,938 24.8
44 17043 DuPage County IL 781,666 904,161 122,495 15.7
45 13089 DeKalb County GA 545,837 665,865 120,028 22.0
46 08041 El Paso County CO 397,014 516,929 119,915 30.2
47 06029 Kern County CA 543,477 661,645 118,168 21.7
48 24031 Montgomery County MD 757,027 873,341 116,314 15.4
49 08035 Douglas County CO 60,391 175,766 115,375 191.0
50 53053 Pierce County WA 586,203 700,820 114,617 19.6
51 48339 Montgomery County TX 182,201 293,768 111,567 61.2
52 26125 Oakland County MI 1,083,592 1,194,156 110,564 10.2
53 48491 Williamson County TX 139,551 249,967 110,416 79.1
54 39049 Franklin County OH 961,437 1,068,978 107,541 11.2
55 53011 Clark County WA 238,053 345,238 107,185 45.0
56 12031 Duval County FL 672,971 778,879 105,908 15.7
57 12071 Lee County FL 335,113 440,888 105,775 31.6
58 49049 Utah County UT 263,590 368,536 104,946 39.8
59 12021 Collier County FL 152,099 251,377 99,278 65.3
60 08001 Adams County CO 265,038 363,857 98,819 37.3
61 36103 Suffolk County NY 1,321,864 1,419,369 97,505 7.4
62 08005 Arapahoe County CO 391,511 487,967 96,456 24.6
63 20091 Johnson County KS 355,054 451,086 96,032 27.0
64 16001 Ada County ID 205,775 300,904 95,129 46.2
65 08059 Jefferson County CO 438,430 527,056 88,626 20.2
66 48141 El Paso County TX 591,610 679,622 88,012 14.9
67 08031 Denver County CO 467,610 554,636 87,026 18.6
68 17089 Kane County IL 317,471 404,119 86,648 27.3
69 32031 Washoe County NV 254,667 339,486 84,819 33.3
70 06111 Ventura County CA 669,016 753,197 84,181 12.6
71 27053 Hennepin County MN 1,032,431 1,116,200 83,769 8.1
72 51107 Loudoun County VA 86,129 169,599 83,470 96.9
73 06077 San Joaquin County CA 480,628 563,598 82,970 17.3
74 27037 Dakota County MN 275,227 355,904 80,677 29.3
75 12105 Polk County FL 405,382 483,924 78,542 19.4
76 34023 Middlesex County NJ 671,780 750,162 78,382 11.7
77 34029 Ocean County NJ 433,203 510,916 77,713 17.9
78 12117 Seminole County FL 287,529 365,196 77,667 27.0
79 12009 Brevard County FL 398,978 476,230 77,252 19.4
80 17111 McHenry County IL 183,241 260,077 76,836 41.9
81 41051 Multnomah County OR 583,887 660,486 76,599 13.1
82 06099 Stanislaus County CA 370,522 446,997 76,475 20.6
83 35001 Bernalillo County NM 480,577 556,678 76,101 15.8
84 06061 Placer County CA 172,796 248,399 75,603 43.8
85 48061 Cameron County TX 260,120 335,227 75,107 28.9
86 18057 Hamilton County IN 108,936 182,740 73,804 67.7
87 26081 Kent County MI 500,631 574,335 73,704 14.7
88 37081 Guilford County NC 347,420 421,048 73,628 21.2
89 12127 Volusia County FL 370,712 443,343 72,631 19.6
90 24033 Prince George's County MD 729,268 801,515 72,247 9.9
91 42091 Montgomery County PA 678,111 750,097 71,986 10.6
92 47157 Shelby County TN 826,330 897,472 71,142 8.6
93 29183 St. Charles County MO 212,907 283,883 70,976 33.3
94 26099 Macomb County MI 717,400 788,149 70,749 9.9
95 06097 Sonoma County CA 388,222 458,614 70,392 18.1
96 12103 Pinellas County FL 851,659 921,482 69,823 8.2
97 25017 Middlesex County MA 1,398,468 1,465,396 66,928 4.8
98 08013 Boulder County CO 225,339 291,288 65,949 29.3
99 08069 Larimer County CO 186,136 251,494 65,358 35.1
100 51153 Prince William County VA 215,686 280,813 65,127 30.2
101 12097 Osceola County FL 107,728 172,493 64,765 60.1
102 36085 Richmond County NY 378,977 443,728 64,751 17.1
103 12083 Marion County FL 194,833 258,916 64,083 32.9
104 12101 Pasco County FL 281,131 344,765 63,634 22.6
105 47149 Rutherford County TN 118,570 182,023 63,453 53.5
106 04021 Pinal County AZ 116,379 179,727 63,348 54.4
107 18097 Marion County IN 797,159 860,454 63,295 7.9
108 24003 Anne Arundel County MD 427,239 489,656 62,417 14.6
109 34025 Monmouth County NJ 553,124 615,301 62,177 11.2
110 24005 Baltimore County MD 692,134 754,292 62,158 9.0
111 04015 Mohave County AZ 93,497 155,032 61,535 65.8
112 40109 Oklahoma County OK 599,611 660,448 60,837 10.1
113 13151 Henry County GA 58,741 119,341 60,600 103.2
114 24027 Howard County MD 187,328 247,842 60,514 32.3
115 40143 Tulsa County OK 503,341 563,299 59,958 11.9
116 48479 Webb County TX 133,239 193,117 59,878 44.9
117 04025 Yavapai County AZ 107,714 167,517 59,803 55.5
118 41005 Clackamas County OR 278,850 338,391 59,541 21.4
119 45045 Greenville County SC 320,167 379,616 59,449 18.6
120 55025 Dane County WI 367,085 426,526 59,441 16.2
121 47037 Davidson County TN 510,784 569,891 59,107 11.6
122 34003 Bergen County NJ 825,380 884,118 58,738 7.1
123 12069 Lake County FL 152,104 210,528 58,424 38.4
124 10003 New Castle County DE 441,946 500,265 58,319 13.2
125 06081 San Mateo County CA 649,623 707,161 57,538 8.9
126 34035 Somerset County NJ 240,279 297,490 57,211 23.8
127 42029 Chester County PA 376,396 433,501 57,105 15.2
128 53063 Spokane County WA 361,364 417,939 56,575 15.7
129 42017 Bucks County PA 541,174 597,635 56,461 10.4
130 41047 Marion County OR 228,483 284,834 56,351 24.7
131 06107 Tulare County CA 311,921 368,021 56,100 18.0
132 55133 Waukesha County WI 304,715 360,767 56,052 18.4
133 05007 Benton County AR 97,499 153,406 55,907 57.3
134 34017 Hudson County NJ 553,099 608,975 55,876 10.1
135 27163 Washington County MN 145,896 201,130 55,234 37.9
136 09001 Fairfield County CT 827,645 882,567 54,922 6.6
137 13063 Clayton County GA 182,052 236,517 54,465 29.9
138 27003 Anoka County MN 243,641 298,084 54,443 22.3
139 13117 Forsyth County GA 44,083 98,407 54,324 123.2
140 06095 Solano County CA 340,421 394,542 54,121 15.9
141 25009 Essex County MA 670,080 723,419 53,339 8.0
142 04027 Yuma County AZ 106,895 160,026 53,131 49.7
143 06075 San Francisco County CA 723,959 776,733 52,774 7.3
144 45051 Horry County SC 144,053