| City: | Poston, Arizona |
| County: | La Paz County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 10:18:58 AM |
| Population: | 266 [See All] |
| Area Code: | 928 |
| Classification: | PO Box |
| Coordinates: | 33.9865, -114.3964 |
| Land Area: | 9.297 sq mi |
| Quick Link: |
This is a true PO Box-only ZIP. No street delivery routes exist. All mail goes to the post office on Box delivery routes. The classification reflects reality: customers have no alternative carrier delivery available within the ZIP code boundary.
The median household income is $13,750. Nearly half of working residents earn under $25,000 annually. About 54% of households receive some form of public assistance income. The median age is 28.5, younger than Arizona's state median.
Poston's post office maintains six ZIP+4 codes, all for PO Box delivery routes. The only named delivery point in the system is the POSTMASTER facility. This isn't a community with scattered residential streets. It's a tribal area where the post office serves as the sole mail infrastructure.
No street delivery exists in this ZIP code. The postal database contains only one named facility: POSTMASTER. All six ZIP+4 records represent PO Box delivery routes, not street addresses. This reflects the true PO Box-only nature of the community.
ZIP Code 85371 has 266 residents and 84 households (average 3.17 persons per household). The median age is 28.5 years, significantly younger than the state (38.9) and significantly younger than the nation (38.8). The gender split is 50.8% male and 49.2% female, which is slightly higher than the national male share (49.1%), making this a male-majority area. Largest groups are American Indian & Alaska Native (72.6%, much higher than the state average of 4.5% and well above the national average of 1.1%) and Hispanic or Latino (31.2%); Hispanic or Latino residents make up 31.2%, which is much higher than the national average (18.7%), and American Indian & Alaska Native share is much higher than both the state (4.5%) and national averages (1.1%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 266Source: Census DHC |
| 2024 ACS Population Estimate: | 111Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 28.6 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 84Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 3.17Source: Census DHC |
| Average Family Size: | 3.53Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 652 | 624 | 533 | 563 | 509 | 440 | 333 | 346 | 290 | 310 | 250 | 206 | 280 | 111 |
| Decennial Census | 419 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 266 | -- | -- | -- | -- |
Median Age: 28.5
Male Median Age: 24.5
Female Median Age: 36.5
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 12 | 13 | 23 | 13 | 7 | 14 | 7 | 9 | 8 | 10 | 4 | 2 | 2 | 4 | 4 | 0 | 0 | 3 |
| Female | 13 | 10 | 14 | 7 | 10 | 3 | 2 | 15 | 13 | 5 | 15 | 9 | 7 | 0 | 3 | 3 | 2 | 0 |
| Total | 25 | 23 | 37 | 20 | 17 | 17 | 9 | 24 | 21 | 15 | 19 | 11 | 9 | 4 | 7 | 3 | 2 | 3 |
| White: | 14 | 4.56% |
| Black: | 0 | 0% |
| Hispanic:* | 83 | 27.04% |
| Asian: | 3 | 0.98% |
| American Indian: | 193 | 62.87% |
| Hawaiian: | 0 | 0% |
| Other: | 14 | 4.56% |
| Total: | 307 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 135 | 50.75% | 24.5 years |
| Females: | 131 | 49.25% | 36.5 years |
| Total: | 266 | 100% | 28.5 years |
| Native, born in the United States: | 111 | 100.00% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 0 | 0.00% |
| Total Population: | 111 | 100% |
| Total Native Population: | 111 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2024, the Median household income is $0, which is well under the national median ($80,734), is down $25,057 (100.0%) since 2011 and above its 2019 pre-pandemic level by $0. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $0, which is considerably lower than the national female median ($55,274), with a current gap of $0 that has narrowed from 2011 to 2024. The labor-force participation rate is 100.0%, which is much higher than the national rate (63.5%). The unemployment rate is 2.0%, which is considerably lower than the national rate (5.2%). The largest occupation group is Service (52.0%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $25,057 | $23,409 | $23,317 | $23,182 | $22,000 | $19,612 | $20,294 | $21,938 | $0 | $21,250 | $0 | $0 | $13,750 | $0 |
| Median Family Income | $30,446 | $25,500 | $25,721 | $28,958 | $43,500 | $18,618 | $0 | $0 | $23,167 | $23,636 | $38,203 | $0 | $0 | $0 |
| Median NonFamily Income | $14,896 | $22,614 | $22,596 | $21,957 | $21,100 | $20,600 | $20,147 | $21,607 | $13,417 | $0 | $0 | $0 | $0 | $0 |
| Median Male Income | $25,724 | $26,875 | $28,295 | $28,529 | $0 | $0 | $25,893 | $0 | $60,139 | $35,288 | $38,438 | $41,528 | $0 | $0 |
| Median Female Income | $21,429 | $15,893 | $16,042 | $15,234 | $0 | $17,500 | $0 | $0 | $0 | $23,182 | $0 | $0 | $0 | $0 |
| Employed: | 50 | 98.04% |
| Unemployed: | 1 | 1.96% |
| Not In Labor Force: | 0 | 0.00% |
| Total: | 51 | 100% |
| Management, business, science, and arts: | 0 | 0.00% |
| Service: | 26 | 52.00% |
| Sales and Office: | 24 | 48.00% |
| Natural resources, construction, and maintenance: | 0 | 0.00% |
| Production, transportation, and material moving: | 0 | 0.00% |
| Total Civilian Employed Population: | 50 | 100% |
In 2024, the median home value is $0, which is much lower than the national median ($332,700), is down $78,200 (100.00%) since 2011 and above its 2019 pre-pandemic level by $0. The median gross rent is $0, which is well under the national median ($1,413), is down $342 (100.00%) since 2011 and below its 2019 pre-pandemic level by $373. Of occupied housing, owners make up 10.00% (0.00% with a mortgage, 100.00% free-and-clear) and renters 90.00% - making this ZIP Code higher than national rental averages. Insufficient data for vacancy rate.
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $78,200 | $28,500 | $32,200 | $25,500 | $25,400 | $22,500 | $0 | $0 | $0 | $9,999 | $0 | $0 | $0 | $0 |
| Less than $500: | 23 | 51.11% |
| $500 to $999: | 0 | 0.00% |
| $1,000 to $1,499: | 0 | 0.00% |
| $1,500 to $1,999: | 0 | 0.00% |
| $2,000 to $2,499: | 0 | 0.00% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 22 | 48.89% |
| Total: | 45 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $342 | $350 | $308 | $322 | $333 | $334 | $356 | $473 | $373 | $382 | $0 | $347 | $310 | $0 |
| Owner Occupied (with mortgage): | 0 | 0.00% |
| Owner Occupied (free and clear, no mortgage): | 5 | 10.00% |
| Renter Occupied: | 45 | 90.00% |
| Total Occupied Housing Units: | 50 | 100% |
| Occupied Housing Units: | 50 | 89.29% |
| Vacant Housing Units (not graphed): | 6 | 10.71% |
| Total Housing Units: | 56 | 100% |
| Single-Family Units: | 50 | 89.29% |
| Multi-Family Units: | 0 | 0.00% |
| Other Units: | 6 | 10.71% |
| Total Housing Units: | 56 | 100% |
In 2024, 0.00% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 84.00%, which is comparable to the national rate (89.60%). The uninsured rate is 0.90%, which is far lower than the national rate (8.40%). Private coverage is 0.00%, which is far lower than the national rate (67.10%). Public coverage is 99.10%, which is far higher than the national rate (36.70%). The share of people in poverty is 57.10%, which is far higher than the national rate (8.80%), up 15.70 percentage points since 2011 and above its 2019 pre-pandemic level by 13.00 percentage points. This signals a sharp increase in hardship - a shrinking consumer base, heavy pressure on public services, and job-market contraction risks. Among residents ages 3+, the largest enrollment group is elementary (86.27%). College enrollment is 0.00%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 8 | 16.00% |
| High school graduate (includes equivalency): | 24 | 48.00% |
| Some college, no degree: | 18 | 36.00% |
| Associate's degree: | 0 | 0.00% |
| Bachelor's degree: | 0 | 0.00% |
| Graduate or professional degree: | 0 | 0.00% |
| Total: | 50 | 100% |
| High school or higher: | 42 | 84.00% |
| Bachelor's degree or higher: | 0 | 0.00% |
| Private Insurance: | 0 | 0.00% |
| Public Insurance: | 110 | 99.10% |
| No Insurance: | 1 | 0.90% |
| Total: | 111 | 100% |
| Has Health Insurance: | 110 | 99.10% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 47.3% | 64.3% | 62.8% | 53.1% | 39.3% | 50.6% | 25.0% | 34.9% | 50.0% | 71.1% | 40.8% | 53.8% | 63.0% | 57.1% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 7 | 13.73% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 44 | 86.27% |
| High school (grades 9-12): | 0 | 0.00% |
| College or graduate school: | 0 | 0.00% |
| Total: | 51 | 100% |
| Early Childhood: | 7 | 13.73% |
| K-12 (Primary & Secondary School): | 44 | 86.27% |
ZIP Code 85371 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 85371 is located in La Paz County, Arizona, within the Metropolitan Statistical Area (CBSA ) and Arizona's 9th Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 85371. It covers 9.297 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | 9.297 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 09Source: USPS |
| Congressional Land Area: | 164.79 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0457170Source: Census |
| Place Name: | Poston CDP; ArizonaSource: Census |
We could not locate which school district 85371 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.