| City: | Aniak, Alaska |
| City Alias: | Chuathbaluk, Stony River |
| Borough: | Bethel Borough |
| Timezone: | Alaska (GMT -09:00) |
| Local Time: | 9:22:17 AM |
| Population: | 698 [See All] |
| Area Code: | 907 |
| Classification: | PO Box |
| Coordinates: | 61.4766, -156.7136 |
| Land Area: | 13680.117 sq mi |
| Quick Link: |
Aniak serves as a regional mail hub for Alaska Native communities along the Kuskokwim River in western Alaska. This ZIP covers 13,690 square miles of remote territory in Bethel County, where 76% of the 698 residents are Native American. The post office serves not just Aniak itself but also the distant communities of Stony River and Chuathbaluk, both recognized as valid mailing addresses.
This is a PO Box Only Zone. There's no alternative mail delivery across the vast territory. The post office maintains 181 PO Boxes for 211 households, an 86% adoption rate that shows near-universal reliance on boxes. A single rural carrier route serves a limited number of delivery points, but PO Boxes remain the primary mail access method for communities separated by hundreds of miles of roadless wilderness.
Population characteristics point to Alaska Native family structures. With 698 people in 211 households, the population-to-household ratio of 3.3 indicates larger family sizes common in indigenous communities. Median age is 30.2 years, younger than most Alaska ZIP codes. The area has 418 total housing units but only 211 are occupied year-round. Of the vacant units, 151 are for seasonal use, which likely includes subsistence hunting and fishing camps rather than vacation homes.
Transportation and logistics drive the economy here. Of the employed workforce, 199 people work in transportation and warehousing, the largest employment sector by far. This makes sense in a region where supplies arrive by air or river barge and bush planes provide the primary connection to other communities. Public administration employs 145 workers, mostly in tribal government, school district, and village services. Median household income stands at $64,063, with per capita income of $40,137.
The street network is minimal. ZIP+4 records list just four streets: Chuathbaluk Road, Stony River Road, Boundary Avenue, and Kintando Road. These roads connect to the surrounding communities and nearby areas, but they don't support a traditional carrier delivery system. Mail arrives by air and residents travel to the Aniak post office to collect it. For people in Stony River or Chuathbaluk, this can mean a journey by snowmobile, boat, or small plane depending on the season.
Street names reference the distant communities served by this regional hub, but traditional carrier delivery isn't feasible across the roadless wilderness.
ZIP Code 99557 has 698 residents and 211 households (average 3.13 persons per household). The median age is 30.2 years, younger than the state (35.6) and significantly younger than the nation (38.8). The gender split is 51.1% male and 48.9% 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 (75.8%, much higher than the state average of 15.2% and well above the national average of 1.1%) and White (13.9%, much lower than the state average of 59.4% and well below the national average of 61.6%); Hispanic or Latino residents make up 2.0%, which is much lower than the national average (18.7%), and American Indian & Alaska Native share is much higher than both the state (15.2%) and national averages (1.1%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 698Source: Census DHC |
| 2024 ACS Population Estimate: | 714Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 0.1 people per sq mile |
| Average Income: | $74,286Source: Census ACS |
| Households: | 211Source: Census DHC |
| Average House Value: | $259,400Source: Census ACS |
| Persons Per Household: | 3.13Source: Census DHC |
| Average Family Size: | 3.52Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 721 | 701 | 728 | 714 | 696 | 693 | 668 | 698 | 700 | 711 | 722 | 715 | 707 | 714 |
| Decennial Census | 726 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 698 | -- | -- | -- | -- |
Median Age: 30.2
Male Median Age: 30.4
Female Median Age: 29.9
| 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 | 23 | 38 | 37 | 30 | 24 | 23 | 20 | 36 | 21 | 13 | 21 | 16 | 17 | 10 | 15 | 8 | 2 | 3 |
| Female | 27 | 31 | 39 | 21 | 20 | 33 | 27 | 21 | 21 | 11 | 13 | 33 | 14 | 13 | 8 | 6 | 0 | 3 |
| Total | 50 | 69 | 76 | 51 | 44 | 56 | 47 | 57 | 42 | 24 | 34 | 49 | 31 | 23 | 23 | 14 | 2 | 6 |
| White: | 97 | 15.02% |
| Black: | 1 | 0.15% |
| Hispanic:* | 14 | 2.17% |
| Asian: | 4 | 0.62% |
| American Indian: | 529 | 81.89% |
| Hawaiian: | 0 | 0% |
| Other: | 1 | 0.15% |
| Total: | 646 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 357 | 51.15% | 30.4 years |
| Females: | 341 | 48.85% | 29.9 years |
| Total: | 698 | 100% | 30.2 years |
| Native, born in the United States: | 713 | 99.86% |
| Native, born in PR, Island Areas, or abroad: | 1 | 0.14% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 0 | 0.00% |
| Total Population: | 714 | 100% |
| Total Native Population: | 714 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2024, the Median household income is $74,286, which is far less than the national median ($80,734), is up $15,000 (25.3%) since 2011 and above its 2019 pre-pandemic level by $26,161. Family households earn a median of $74,500 versus $45,000 for nonfamily households (a difference of $29,500). By gender, male median income is $61,291 and female is $51,364, which is well under the national female median ($55,274), with a current gap of $9,927 that has widened from 2011 to 2024. The labor-force participation rate is 72.6%, which is much higher than the national rate (63.5%). The unemployment rate is 12.2%, which is considerably above the national rate (5.2%). The largest occupation group is Service (39.9%).
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 | $59,286 | $55,938 | $58,750 | $56,875 | $49,583 | $50,000 | $48,214 | $48,958 | $48,125 | $56,667 | $59,219 | $64,643 | $64,063 | $74,286 |
| Median Family Income | $61,023 | $60,893 | $58,333 | $56,250 | $46,607 | $51,250 | $49,375 | $50,625 | $47,679 | $58,250 | $53,594 | $70,417 | $64,375 | $74,500 |
| Median NonFamily Income | $36,250 | $36,250 | $53,125 | $37,292 | $41,563 | $31,875 | $38,750 | $32,857 | $35,417 | $39,583 | $59,375 | $43,750 | $46,250 | $45,000 |
| Median Male Income | $43,438 | $50,625 | $43,542 | $45,000 | $51,667 | $50,625 | $51,500 | $53,571 | $47,500 | $67,143 | $68,500 | $0 | $58,266 | $61,291 |
| Median Female Income | $35,000 | $37,344 | $38,194 | $39,091 | $38,438 | $38,958 | $43,750 | $42,292 | $48,750 | $65,833 | $66,250 | $62,188 | $73,750 | $51,364 |
| Employed: | 346 | 63.72% |
| Unemployed: | 48 | 8.84% |
| Not In Labor Force: | 149 | 27.44% |
| Total: | 543 | 100% |
| Management, business, science, and arts: | 88 | 25.43% |
| Service: | 138 | 39.88% |
| Sales and Office: | 56 | 16.18% |
| Natural resources, construction, and maintenance: | 31 | 8.96% |
| Production, transportation, and material moving: | 33 | 9.54% |
| Total Civilian Employed Population: | 346 | 100% |
In 2024, the median home value is $259,400, which is considerably lower than the national median ($332,700), is up $62,300 (31.61%) since 2011 and above its 2019 pre-pandemic level by $69,800. The median gross rent is $1,361, which is modestly lower than the national median ($1,413), is up $350 (34.62%) since 2011 and above its 2019 pre-pandemic level by $248. Of occupied housing, owners make up 56.19% (23.62% with a mortgage, 76.38% free-and-clear) and renters 43.81% - making this ZIP Code higher than national rental averages. The vacancy rate is 49.44%, which is considerably higher than the national rate (10.12%).
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 | $197,100 | $179,200 | $175,900 | $180,000 | $165,200 | $176,100 | $204,400 | $180,800 | $189,600 | $200,800 | $211,700 | $233,000 | $231,500 | $259,400 |
| Less than $500: | 3 | 3.03% |
| $500 to $999: | 8 | 8.08% |
| $1,000 to $1,499: | 25 | 25.25% |
| $1,500 to $1,999: | 11 | 11.11% |
| $2,000 to $2,499: | 15 | 15.15% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 37 | 37.37% |
| Total: | 99 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $1,011 | $1,074 | $1,012 | $1,065 | $967 | $1,083 | $1,011 | $963 | $1,113 | $1,281 | $1,271 | $1,579 | $1,592 | $1,361 |
| Owner Occupied (with mortgage): | 30 | 13.27% |
| Owner Occupied (free and clear, no mortgage): | 97 | 42.92% |
| Renter Occupied: | 99 | 43.81% |
| Total Occupied Housing Units: | 226 | 100% |
| Occupied Housing Units: | 226 | 50.56% |
| Vacant Housing Units (not graphed): | 221 | 49.44% |
| Total Housing Units: | 447 | 100% |
| Single-Family Units: | 414 | 92.62% |
| Multi-Family Units: | 30 | 6.71% |
| Other Units: | 3 | 0.67% |
| Total Housing Units: | 447 | 100% |
In 2024, 13.60% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.70%). High school or higher is 90.10%, which is comparable to the national rate (89.60%). The uninsured rate is 13.60%, which is far higher than the national rate (8.40%). Private coverage is 43.60%, which is falls below the national rate (67.10%). Public coverage is 48.50%, which is well above the national rate (36.70%). The share of people in poverty is 11.90%, which is comparable to the national rate (8.80%), down 5.60 percentage points since 2011 and below its 2019 pre-pandemic level by 10.30 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is elementary (52.94%). College enrollment is 5.88%, which is far lower than the national rate (26.70%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 16 | 3.51% |
| 9th to 12th grade, no diploma: | 29 | 6.36% |
| High school graduate (includes equivalency): | 262 | 57.46% |
| Some college, no degree: | 78 | 17.11% |
| Associate's degree: | 9 | 1.97% |
| Bachelor's degree: | 39 | 8.55% |
| Graduate or professional degree: | 23 | 5.04% |
| Total: | 456 | 100% |
| High school or higher: | 411 | 90.13% |
| Bachelor's degree or higher: | 62 | 13.60% |
| Private Insurance: | 311 | 41.25% |
| Public Insurance: | 346 | 45.89% |
| No Insurance: | 97 | 12.86% |
| Total: | 754 | 100% |
| Has Health Insurance: | 657 | 87.14% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 15.5% | 22.1% | 23.8% | 25.7% | 24.2% | 24.7% | 24.0% | 22.9% | 20.2% | 19.0% | 16.8% | 12.4% | 9.9% | 11.9% |
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: | 11 | 6.47% |
| Kindergarten: | 8 | 4.71% |
| Elementary school (grades 1-8): | 90 | 52.94% |
| High school (grades 9-12): | 51 | 30.00% |
| College or graduate school: | 10 | 5.88% |
| Total: | 170 | 100% |
| Early Childhood: | 19 | 11.18% |
| K-12 (Primary & Secondary School): | 149 | 87.65% |
ZIP Code 99557 supports both business and residential activity. According to the Business Census (2024), there are 7 business establishments, employing about 25 people with an annual payroll of $1,643,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 225Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 7Source: CBP |
| 1st Quarter Payroll: | $309,000Source: CBP |
| Annual Payroll: | $1,643,000Source: CBP |
| # of Employees: | 25Source: CBP |
ZIP Code 99557 is located in Bethel Borough, Alaska, within the Metropolitan Statistical Area (CBSA ) and Alaska's 0th Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 99557. It covers 13680.117 sq mi of land and a water area of 100.233 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: | 13680.117 sq miSource: Census |
| Water Area: | 100.233 sq miSource: Census |
| Congressional District: | 00Source: USPS |
| Congressional Land Area: | 571951.26 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0203550Source: Census |
| Place Name: | Aniak city; AlaskaSource: Census |
ZIP Code 99557 is in the Kuspuk School District, which serves grades Pre-Kindergarten thru 12th. There are 4 public school(s) in this ZIP Code, and we have located 0 private school(s).
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.