Arizona
As of the census of 2000, there were 5130632 people, 1901327 households, and 1287367 families residing in the state. The population density was 45.2 people per square mile (17.45/kmē), it would be the 15th least densely populated state in the U.S. state of America. There were 2189189 housing units at an average density of 19.3 per square mile (7.45/kmē). The average household size was 2.64 persons, and the average family size was 3.18 persons. In the state the population is diverse age-wise, with 26.6% under the age of 18, 10% from 18 to 24, 29.5% from 25 to 44, 20.9% from 45 to 64, and 13% who were 65 or older. For every 100 females there were 99.7 males. For every 100 females age 18 and over, there were 97.7 males. The median age was 34.2 years, the median age of male residents at 32.9 and the median age of female residents at 35.5. Its population was estimated at 5130632 in July 2008, The racial makeup of the state was 3873611 White, 158873 Black or African American, 255879 American Indian, 92236 Asian, 6733 Native Hawaiian, 146526 from two or more races and 596774 Ohter races.
The median income for a household in the state was $40558, making it the 27th wealthiest state by median household income among the United States. The median income for a family in the state was $46723, it would be the 30th highest state by median family income in the U.S. state of America. The per capita income for the state was $20275, it would be the 29th highest state by per capita income in the U.S. state of America. The median income was $22428, Males have a median income of $26862 versus $18732 for females. The Bureau of Economic Analysis estimates that the total GDP in 2008 was $248.9 billion, making it the 19th highest state by gross domestic product in United States. Per capita personal income in 2008 was $32343.
In 2000, 1401840 pupils and students, of which 708201 are male and 693639 are female, 27.32% of the total population, are in the education system. Of which, total enrollment of student are in, 81923 nursery or pri school, 77930 kindergarten, 624766 elementary school, 286122 high school and 331099 College graduate school.
| Rank | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income | Family Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Apache County | 11218.42 | 11204.88 | 13.54 | 69423 | 6.2 | 8986 | 23344 | 26315 |
| 2 | Cochise County | 6218.77 | 6169.45 | 49.32 | 117755 | 19.1 | 15988 | 32105 | 38005 |
| 3 | Coconino County | 18661.21 | 18617.42 | 43.79 | 116320 | 6.2 | 17139 | 38256 | 45873 |
| 4 | Gila County | 4795.74 | 4767.7 | 28.03 | 51335 | 10.8 | 16315 | 30917 | 36593 |
| 5 | Graham County | 4641.14 | 4629.32 | 11.83 | 33489 | 7.2 | 12139 | 29668 | 34417 |
| 6 | Greenlee County | 1848.42 | 1847 | 1.42 | 8547 | 4.6 | 15814 | 39384 | 43523 |
| 7 | La Paz County | 4513.36 | 4499.95 | 13.4 | 19715 | 4.4 | 14916 | 25839 | 29141 |
| 8 | Maricopa County | 9224.27 | 9203.14 | 21.13 | 3072149 | 333.8 | 22251 | 45358 | 51827 |
| 9 | Mohave County | 13469.71 | 13311.64 | 158.07 | 155032 | 11.6 | 16788 | 31521 | 36311 |
| 10 | Navajo County | 9959.49 | 9953.18 | 6.31 | 97470 | 9.8 | 11609 | 28569 | 32409 |
| 11 | Pima County | 9188.83 | 9186.27 | 2.57 | 843746 | 91.8 | 19785 | 36758 | 44446 |
| 12 | Pinal County | 5374.09 | 5369.59 | 4.5 | 179727 | 33.5 | 16025 | 35856 | 39548 |
| 13 | Santa Cruz County | 1238.11 | 1237.63 | 0.47 | 38381 | 31 | 13278 | 29710 | 32057 |
| 14 | Yavapai County | 8127.78 | 8123.3 | 4.48 | 167517 | 20.6 | 19727 | 34901 | 40910 |
| 15 | Yuma County | 5518.96 | 5514.09 | 4.87 | 160026 | 29 | 14802 | 32182 | 34659 |