Poston
Census-designated place in La Paz County, Arizona

Poston is an unincorporated community (census-designated place) in La Paz County, Arizona, with 183 residents (2020 Census). It sits at 335 ft (102 m) above sea level. The nearest town is Big River, 10.5 miles N.
- 183residents (2020 Census)
- 335 ftelevation · 102 m
- 1.4 sq miland area · 3.6 km²
- 133 / sq mipopulation density
- 85371ZIP code
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.
During World War II, Poston was the site of the Poston War Relocation Center, one of the United States' largest Japanese-American internment camps, where over 17,000 Japanese-Americans were held over a three-year period. The camp sites are now home to a monument dedicated to those interned there.
Text: Wikipedia · CC BY-SA 4.0
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Poston had 183 residents in the 2020 Census.
| 2020 Census | 183 |
|---|---|
| Density | 133 per sq mi (51 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Poston at a glance
| State | Arizona (AZ) |
|---|---|
| County | La Paz County |
| Type | Census-designated place |
| Population | 183 (2020) |
| Land area | 1.37 sq mi (3.6 km²) |
| Elevation | 335 ft (102 m) |
| Coordinates | 33.9921° N, 114.4045° W |
| ZIP code | 85371 |
| Census code (GEOID) | 0457170 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Poston
- Big River, CA10.5 mi N
- Parker10.5 mi E
- Bluewater14.7 mi NE
- Bluewater, CA15.0 mi NE
- Cienega Springs18.0 mi NE
- Bouse24.3 mi E
- Parker Strip24.8 mi NE
- Quartzsite24.9 mi SE
- Ehrenberg26.5 mi S
- Blythe, CA26.5 mi SW
- Utting29.7 mi E
- La Paz Valley31.4 mi S
Straight-line distance between town centers.
Frequently asked questions about Poston
What county is Poston in?
Poston is in La Paz County, Arizona.
What is the population of Poston, AZ?
183 people lived in Poston at the 2020 Census.
What is the ZIP code of Poston, AZ?
The ZIP code of Poston is 85371.
What is the elevation of Poston?
335 feet (102 m) above sea level.
What towns are near Poston?
Big River (10.5 mi), Parker (10.5 mi), Bluewater (14.7 mi), Bluewater (15.0 mi), Cienega Springs (18.0 mi).
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