Arizona is a state located in the Western United States. According to the 2020 United States census, Arizona is the 14th most populous state with 7,151,502 inhabitants (as of the 2020 census)<ref name="StateCensus2020">{{#invoke:citation/CS1|citation
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Phoenix is the capital and largest city by population in Arizona with 1,608,139 residents,<ref name="Phoenix">{{#invoke:citation/CS1|citation
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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.<ref>{{#invoke:citation/CS1|citation
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}}</ref> 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.<ref>{{#invoke:citation/CS1|citation
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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.<ref>{{#invoke:citation/CS1|citation
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}}</ref> Additionally, a town may change its form of government to a city upon reaching the minimum population of 3,000.<ref>{{#invoke:citation/CS1|citation
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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.<ref>{{#invoke:citation/CS1|citation
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Tusayan<ref group="lower-alpha">Because Tusayan was incorporated in 2010, its population was not included in the 2010 Census. The 2010 Census count for the now defunct Tusayan CDP was 558.</ref>
Template:Convert<ref group="lower-alpha">Because the Tusayan was incorporated after the 2010 Census, its area is not reported by the Census Bureau. The 2010 area of the Census-designated place corresponding to Tusayan was Template:Convert. At its incorporation, Tusayan included an area of only Template:Convert, much smaller than its CDP counterpart.</ref>