Thinking Arizona

Voter Registration Differs by District

November 3, 2010

The degree of difference between Republicans, Democrats, and independents differs widely by district. The red and blue lines diverge in districts that are safe for one party or the other. They converge in competitive districts. The chart is derived from the following data:

		R	D	I*	Lib*	Gr*	Total		R %	D %	I %	Lib %	Gr %		R vs. D
1	Yavapai,Coconino	52977	30922	38366	910	296	123471		42.9%	25.0%	31.1%	0.7%	0.2%		17.9%
2	Coconino,Apache, Navajo	14396	55507	26240	913	219	97275		14.8%	57.1%	27.0%	0.9%	0.2%		42.3%
3	Mohave,Coconino,La Paz	49175	30223	42444	588	120	122550		40.1%	24.7%	34.6%	0.5%	0.1%		15.5%
4	Maricopa, Yavapai	75013	39592	49085	798	118	164606		45.6%	24.1%	29.8%	0.5%	0.1%		21.5%
5	Eastern AZ (see below)	38831	36655	22072	463	64	98085		39.6%	37.4%	22.5%	0.5%	0.1%		2.2%
6	Maricopa	46793	29042	35901	913	147	112796		41.5%	25.7%	31.8%	0.8%	0.1%		15.7%
7	Maricopa	48545	26661	34925	732	102	110965		43.7%	24.0%	31.5%	0.7%	0.1%		19.7%
8	Maricopa	56034	28319	37553	670	121	122697		45.7%	23.1%	30.6%	0.5%	0.1%		22.6%
9	Maricopa	42608	30728	30108	579	84	104107		40.9%	29.5%	28.9%	0.6%	0.1%		11.4%
10	Maricopa	26366	25024	24409	819	106	76724		34.4%	32.6%	31.8%	1.1%	0.1%		1.7%
11	Maricopa	45007	32207	26720	873	138	104945		42.9%	30.7%	25.5%	0.8%	0.1%		12.2%
12	Maricopa	53071	47360	51286	1278	151	153146		34.7%	30.9%	33.5%	0.8%	0.1%		3.7%
13	Maricopa	10068	24620	19401	1181	34	55304		18.2%	44.5%	35.1%	2.1%	0.1%		26.3%
14	Maricopa	7166	17489	13439	732	73	38899		18.4%	45.0%	34.5%	1.9%	0.2%		26.5%
15	Maricopa	13590	24882	18668	898	177	58215		23.3%	42.7%	32.1%	1.5%	0.3%		19.4%
16	Maricopa	12498	40253	27542	930	101	81324		15.4%	49.5%	33.9%	1.1%	0.1%		34.1%
17	Maricopa	24903	28344	26937	1074	257	81515		30.6%	34.8%	33.0%	1.3%	0.3%		4.2%
18	Maricopa	26591	18449	21026	563	113	66742		39.8%	27.6%	31.5%	0.8%	0.2%		12.2%
19	Maricopa	50119	26018	32788	650	113	109688		45.7%	23.7%	29.9%	0.6%	0.1%		22.0%
20	Maricopa	39045	29987	31238	770	145	101185		38.6%	29.6%	30.9%	0.8%	0.1%		9.0%
21	Maricopa	56948	36364	44137	960	171	138580		41.1%	26.2%	31.8%	0.7%	0.1%		14.9%
22	Maricopa,Pinal	72276	37869	51286	1035	152	162618		44.4%	23.3%	31.5%	0.6%	0.1%		21.2%
23	Pinal,Maricopa,Gila	44759	51447	51540	953	155	148854		30.1%	34.6%	34.6%	0.6%	0.1%		4.5%
24	Yuma, La Paz	24353	28636	24628	352	48	78017		31.2%	36.7%	31.6%	0.5%	0.1%		5.5%
25	Southern AZ (see below)	31061	39166	30587	631	177	101622		30.6%	38.5%	30.1%	0.6%	0.2%		8.0%
26	Pima,Pinal	46259	36886	32593	697	180	116615		39.7%	31.6%	27.9%	0.6%	0.2%		8.0%
27	Pima	16084	40384	23985	798	292	81543		19.7%	49.5%	29.4%	1.0%	0.4%		29.8%
28	Pima	21749	36270	22711	855	416	82001		26.5%	44.2%	27.7%	1.0%	0.5%		17.7%
29	Pima	15047	31289	21020	659	132	68147		22.1%	45.9%	30.8%	1.0%	0.2%		23.8%
30	Pima, Cochise,Santa Cruz	58057	40663	40868	869	183	140640		41.3%	28.9%	29.1%	0.6%	0.1%		12.4%
	Totals	1119389	1001256	953503	24143	4585	3102876		36.1%	32.3%	30.7%	0.8%	0.1%		3.8%
	Source: Arizona Secretary of State
5	Navajo, Gila, Graham, Apache, Greenlee
25	Cochise, Santa Cruz, Pima, Maricopa, Pinal
I*	Independent
L*	Libertarian
Gr*	Green Party

Download the Excel Spreadsheet of the data: Thinking Arizona Ed1 Voter Registration