State Centers of Population 1880-2020: Arizona

Year	North Latitude	West Longitude
1880¹	33° 17′ 36″	111° 25′ 32″
1890¹	33° 15′ 51″	111° 25′ 39″
1900¹	33° 34′ 20″	111° 15′ 58″
1910¹	33° 24′ 18″	110° 59′ 38″
1920¹	33° 21′ 03″	111° 12′ 55″
1930²	33° 18′ 40″	111° 44′ 02″
1940²	33° 20′ 24″	111° 49′ 26″
1950³	33° 22′ 11″	111° 31′ 55″
1960³	33° 15′ 41″	111° 30′ 19″
1970³	33° 17′ 09″	111° 41′ 15″
1980⁴	33° 19′ 29″	111° 43′ 06″
1990⁵	33° 21′ 08″	111° 46′ 13″
2000⁶	33° 22′ 25″	111° 49′ 43″
2010⁶	33° 22′ 06″	111° 51′ 52″
2020⁶	33° 22' 17"	111° 52' 57"

¹ Source: U.S. Department of Commerce, Bureau of the Census, Fourteenth Census of the United States, 1923

² Source: U.S. Census Bureau, recomputation for historical county level data which relied upon aggregate county level population data with an estimated county centroid resulting in a possible error of up to one mile.

³ Source: U.S. Department of Commerce, Bureau of the Census, Centers of Population for States and Counties, 1974

⁴ Source: U.S. Census Bureau, Geography Division, recomputation from archived national block group/enumeration area data resulting in a possible error of up to 1,000 feet.

⁵ Source: U.S. Census Bureau, Geography Division, recomputation from archived national block group data resulting in a possible error of up to 1,000 feet.

⁶ Source: U.S. Census Bureau, computation from national block-level data