Table 1.  The Counties and the Most Populous Incorporated Places in 2010 in Arizona:  2000 and 2010
(For information on confidentiality protection, nonsampling error, and definitions, see http://www.census.gov/prod/cen2010/pl94-171.pdf)
Population rank     Population Change, 2000 to 2010
             
2010 2000   Geographic area 2000 1 2010 Number Percent
             
    Arizona……...………………………………………………. 5 130 632 6 392 017 1 261 385 24.6
             
    COUNTY        
             
1 1   Maricopa County………………………………………………… 3 072 149 3 817 117  744 968 24.2
2 2   Pima County…………………………………………………….  843 746  980 263  136 517 16.2
3 3   Pinal County……………………………………………………..  179 727  375 770  196 043 109.1
4 4   Yavapai County…………………………………………………  167 517  211 033  43 516 26.0
5 6   Mohave County………………………………………………….  155 032  200 186  45 154 29.1
6 5   Yuma County………………………………………………………  160 026  195 751  35 725 22.3
7 8   Coconino County…………………………………………………  116 320  134 421  18 101 15.6
8 7   Cochise County……………………………………………………  117 755  131 346  13 591 11.5
9 9   Navajo County……………………………………………………  97 470  107 449  9 979 10.2
10 10   Apache County……………………………………………………..  69 423  71 518  2 095 3.0
11 11   Gila County……………………………………………………….  51 335  53 597  2 262 4.4
12 12   Santa Cruz County…………………………………………………..  38 381  47 420  9 039 23.6
13 13   Graham County…………………………………………………….  33 489  37 220  3 731 11.1
14 14   La Paz County……………………………………………………….  19 715  20 489   774 3.9
15 15   Greenlee County………………………………………………………….  8 547  8 437 -  110 -1.3
             
    INCORPORATED PLACE        
             
1 1   Phoenix city………………………………………………… 1 321 045 1 445 632  124 587 9.4
2 2   Tucson city………………………………………………………  486 699  520 116  33 417 6.9
3 3   Mesa city………………………………………………………..  396 375  439 041  42 666 10.8
4 6   Chandler city………………………………………………………………  176 581  236 123  59 542 33.7
5 4   Glendale city……………………………………………………  218 812  226 721  7 909 3.6
6 5   Scottsdale city………………………………………………….  202 705  217 385  14 680 7.2
7 8   Gilbert town………………………………………………..  109 697  208 453  98 756 90.0
8 7   Tempe city……………………………………..……………………  158 625  161 719  3 094 2.0
9 9   Peoria city…………………………………………………………  108 364  154 065  45 701 42.2
10 18   Surprise city……………………………………………………….  30 848  117 517  86 669 281.0
11 10   Yuma city…………………………………………………………  77 515  93 064  15 549 20.1
12 14   Avondale city……………………………………………………..  35 883  76 238  40 355 112.5
13 11   Flagstaff city………………………………………………………..  52 894  65 870  12 976 24.5
14 25   Goodyear city……………………………………………………….  18 911  65 275  46 364 245.2
15 12   Lake Havasu City city…………………………………………….  41 938  52 527  10 589 25.2
16 45   Buckeye town……………………………………………………  6 537  50 876  44 339 678.3
17 20   Casa Grande city………………………………………………….  25 224  48 571  23 347 92.6
18 13   Sierra Vista city……………………………………………………  37 775  43 888  6 113 16.2
19 83   Maricopa city……………………………………………………  1 040  43 482  42 442 4 081.0
20 19   Oro Valley town………………………………………………..  29 700  41 011  11 311 38.1
               
1 Census 2000 counts are as published in Census 2000 reports and thus do not include any changes published subsequently due to boundary changes or to the Count Question Resolution program.
Source:  U.S. Census Bureau, Census 2000 Redistricting Data (Public Law 94-171) Summary File, Table PL1, and 2010 Census Redistricting Data (Public Law 94-171) Summary File, Table P1.