ZIP Code 85371
About Poston
Poston is an unincorporated community and census-designated place (CDP) in La Paz County, Arizona, United States, in the Parker Valley. The population was 285 at the 2010 census, down from 389 in 2000.
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Area Profile
US Census (ACS 5-year · Gazetteer)
280
population
$13,750
median household income
30
people / sq mi
$310
median gross rent
27.7
median age
153
housing units
148
households
9.3
land area (sq mi)