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There are 91 incorporated cities and towns in the U.S. state of Arizona as of 2010. Incorporated places in Arizona are those that have been granted home rule, possessing a local government in the form of a city or town council. The 2010 census put 5,021,810 of the state's 6,392,017 residents within these cities and towns, accounting for 78.56% of the population. Most of the population is concentrated within the Phoenix metropolitan area, with an 2010 census population of 4,192,887 (65.60% of the state population). The oldest incorporated place in Arizona is Tucson which incorporated in 1877 and the most recent was the town of Tusayan which incorporated in March 2010. As of 2010, Phoenix, the capital and largest city in Arizona, is ranked as the sixth most populous city in the United States. Other Arizona cities among the 100 most populous in the country are Tucson, Mesa, Glendale, Chandler, Gilbert and Scottsdale. ==Municipal incorporation== The Arizona Constitution has, since its ratification in 1912, allowed for the creation of municipal corporations in any community with a population of 3,500 or greater.〔(【引用サイトリンク】title=Article 13, Section 2 )〕 According to the constitution, a municipal charter cannot be created by special laws or by the legislature, but rather by the communities themselves as provided by general law.〔(【引用サイトリンク】title=Article 13, Section 1 )〕 The population limit specified by the constitution was lowered by state law to a minimum of population of 1,500 for most locations, and further reduced to 500 for communities located within of a national park or national monument.〔(【引用サイトリンク】title=Arizona Revised Statutes §9-101. Incorporation; definition )〕 State law further restricts the incorporation of new municipalities within urbanized areas, which are defined as a specific buffer zone surrounding existing cities and towns.〔(【引用サイトリンク】title=Arizona Revised Statutes §9-101.01. Incorporation, urbanized area )〕 State law allows for the incorporation of a community as either a city or a town; the only additional requirement to incorporate as a city is a minimum population of 3,000.〔(【引用サイトリンク】title=Arizona Revised Statutes §9-281. Adoption procedure; board of freeholders; election )〕 Cities and towns in Arizona function largely in an identical manner, but cities are provided with additional powers that a town charter does not provide, limited primarily to certain powers regarding the regulation of utilities and construction within the city limits.〔(【引用サイトリンク】title=Arizona Revised Statutes §9-276. Additional powers of cities )〕 State law allows adjoining towns to merge and it allows a city to annex a town, but it does not allow cities to merge.〔(【引用サイトリンク】title=Arizona Revised Statutes §9-121. Consolidation of towns )〕〔(【引用サイトリンク】title=Arizona Revised Statutes §9-122. Unification of a city and a town )〕 Additionally, a town may change its form of government to a city upon reaching the minimum population of 3,000.〔(【引用サイトリンク】title=Arizona Revised Statutes §9-271. Procedure for change; city officers )〕 There are, however, large communities that have remained incorporated as a town in spite of attaining a large population; Gilbert, with more than 200,000 residents, remains incorporated as a town. Twenty Arizona municipalities were incorporated before 1912, when the state was admitted to the Union. As such, these cities and towns were incorporated by means other than those stipulated by current state law and the constitution. Phoenix, for example, was incorporated in 1881 by an act of the Territorial Legislature.〔(【引用サイトリンク】title=Out of the Ashes: The History of the City of Phoenix )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of cities and towns in Arizona」の詳細全文を読む スポンサード リンク
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