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.