ZIP Code 99733 in Circle, AK

Data Last Updated: February 1, 2026
City:Circle, Alaska
Borough:Yukon Koyukuk Borough
Timezone:Alaska (GMT -09:00)
Local Time:9:23:58 AM
Population:91 [See All]
Area Code:907
Classification:PO Box
Coordinates:65.6279, -143.4491
Land Area:106.899 sq mi
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In the United States, a county equivalent is a political or administrative subdivision of a state. It has a specific geographic area and some level of governmental authority. The term "county" is used in 47 states. Alaska, Louisiana, and Connecticut have functionally equivalent subdivisions called Boroughs, Parishes, and Planning Regions, respectively. They functionally act like counties by subdividing the state.

99733 Circle, AK - Gwich'in Community on the Yukon

ZIP Code 99733, Circle

Tribal
LocationYukon Koyukuk County, AK
Area140.4 sq mi
Population91
Households49
PO Boxes33 (67% adoption)
Median Age45.5 years
Seasonal Housing10%
ZIP CreatedBefore Oct 2004
Key Facts
  • This is a PO Box Only Zone. There's no alternative mail delivery across the 140 square mile territory.
  • 92% of residents (84 of 91) are Alaska Native, primarily Gwich'in Athabascan people.
  • The post office has 33 PO Boxes serving 49 occupied households, with 67% of homes relying on PO Boxes.
  • Circle sits at the end of the Steese Highway, 162 miles north of Fairbanks with no road continuing beyond.
  • Median household income is $32,500, with many workers employed by tribal or borough government.
  • Despite its name, Circle is about 50 miles south of the actual Arctic Circle.

Community Overview

Circle sits at the end of the Steese Highway in Alaska's Interior, a 162-mile drive north from Fairbanks. It's one of the oldest gold mining camps in Alaska, established during the late 1800s gold rush. Despite its name, Circle isn't actually on the Arctic Circle. It's about 50 miles south of it.

Population and Demographics

Of the 91 residents, 84 are Alaska Native (92%), primarily Gwich'in Athabascan. The community has 49 occupied homes spread across 140 square miles of subarctic terrain. With a median age of 45.5 years, this is an established community of long-term residents rather than transient workers.

Why PO Boxes Are Essential

Mail service here is PO Box only. There's no street delivery alternative anywhere in the ZIP code's 140-square-mile territory. The post office maintains 33 PO Boxes for 49 households, giving a 67% adoption rate. The single named street in postal records is Steese Highway, the lifeline road connecting Circle to the outside world.

Economic Context

Median household income is $32,500, with 15 workers employed in public administration (likely tribal government or borough services). Education levels are modest: 20% of adults over 25 hold a bachelor's degree. Of the 59 total housing units, 49 are occupied year-round and 6 are seasonal or recreational properties.

Street Name Patterns

Highway Corridor

The only named street is Steese Highway, the sole road connecting Circle to Fairbanks and the outside world.

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Population & Demographics


ZIP Code 99733 has 91 residents and 49 households (average 1.86 persons per household). The median age is 45.5 years, significantly older than the state (35.6) and older than the nation (38.8). The gender split is 47.3% male and 52.7% female, which is lower than the state male share (52.0%), making this a female-majority area. Largest groups are American Indian & Alaska Native (92.3%, much higher than the state average of 15.2% and well above the national average of 1.1%) and White (7.7%, much lower than the state average of 59.4% and well below the national average of 61.6%); Hispanic or Latino residents make up 0.0%, 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

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:91Source: Census DHC
2024 ACS Population Estimate:54Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:0.9 people per sq mile
Average Income:$24,500Source: Census ACS
Households:49Source: Census DHC
Average House Value:$53,800Source: Census ACS
Persons Per Household:1.86Source: Census DHC
Average Family Size:3.25Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--617410310311811610874644229454854
Decennial Census104------------------91--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 45.5

Male Median Age: 47.1

Female Median Age: 45.3

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male262110341800076200
Female333316103638044000
Total595426444143801110200
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:77.69%
Black:00%
Hispanic:*00%
Asian:00%
American Indian:8492.31%
Hawaiian:00%
Other:00%
Total:91100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:4347.25%47.1 years
Females:4852.75%45.3 years
Total:91100%45.5 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:54100.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:00.00%
Total Population:54100%
Total Native Population:54100.00%
Total Foreign-born Population:00.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2024, the Median household income is $24,500, which is considerably lower than the national median ($80,734), is up $7,000 (40.0%) since 2011 and below its 2019 pre-pandemic level by $9,250. Family households earn a median of $33,438 versus $23,750 for nonfamily households (a difference of $9,688). 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 stayed about the same from 2011 to 2024. The labor-force participation rate is 28.9%, which is much lower than the national rate (63.5%). The unemployment rate is 18.2%, which is considerably above the national rate (5.2%). The largest occupation group is Management (77.8%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$17,500$20,000$17,361$19,375$17,125$16,667$16,806$0$33,750$27,188$26,875$18,750$32,500$24,500
Median Family Income$21,250$32,917$21,250$21,250$15,000$18,125$11,932$19,583$0$0$0$0$0$33,438
Median NonFamily Income$16,563$16,563$16,250$16,250$10,625$9,063$0$0$0$25,625$25,625$19,583$0$23,750
Median Male Income$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Median Female Income$0$35,625$0$0$0$36,250$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:923.68%
Unemployed:25.26%
Not In Labor Force:2771.05%
Total:38100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:777.78%
Service:00.00%
Sales and Office:00.00%
Natural resources, construction, and maintenance:00.00%
Production, transportation, and material moving:222.22%
Total Civilian Employed Population:9100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $53,800, which is considerably lower than the national median ($332,700), is down $48,000 (47.15%) since 2011 and above its 2019 pre-pandemic level by $53,800. The median gross rent is $0, which is well under the national median ($1,413), and above its 2019 pre-pandemic level by $0. Insufficient data for owner/renter mix. Insufficient data for vacancy rate.

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$101,800$65,000$85,000$112,500$168,800$237,500$320,000$0$0$0$225,000$94,400$0$53,800
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:00.00%
$1,000 to $1,499:00.00%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:4100.00%
Total:4100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$0$0$0$425$623$621$625$0$0$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):00.00%
Owner Occupied (free and clear, no mortgage):3288.89%
Renter Occupied:411.11%
Total Occupied Housing Units:36100%

Occupied Housing Units:3667.92%
Vacant Housing Units (not graphed):1732.08%
Total Housing Units:53100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:5196.23%
Multi-Family Units:00.00%
Other Units:23.77%
Total Housing Units:53100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 15.80% 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 60.50%, which is far lower than the national rate (89.60%). The uninsured rate is 3.70%, which is comparable to the national rate (8.40%). Private coverage is 9.30%, which is far lower than the national rate (67.10%). Public coverage is 96.30%, which is far higher than the national rate (36.70%). The share of people in poverty is 38.50%, which is comparable to the national rate (8.80%), down 19.20 percentage points since 2011 and below its 2019 pre-pandemic level by 1.80 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 (75.00%). 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

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:25.26%
9th to 12th grade, no diploma:1334.21%
High school graduate (includes equivalency):923.68%
Some college, no degree:821.05%
Associate's degree:00.00%
Bachelor's degree:615.79%
Graduate or professional degree:00.00%
Total:38100%
High school or higher:2360.53%
Bachelor's degree or higher:615.79%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:58.47%
Public Insurance:5288.14%
No Insurance:23.39%
Total:59100%
Has Health Insurance:5796.61%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty63.6%46.2%57.1%55.0%58.8%55.2%65.5%53.3%46.2%50.0%0.0%62.5%44.4%38.5%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

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.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:00.00%
Elementary school (grades 1-8):1275.00%
High school (grades 9-12):425.00%
College or graduate school:00.00%
Total:16100%
Early Childhood:00.00%
K-12 (Primary & Secondary School):16100.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 99733 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 3 people with an annual payroll of $26,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:39Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:3Source: CBP
1st Quarter Payroll:$10,000Source: CBP
Annual Payroll:$26,000Source: CBP
# of Employees:3Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 99733 is located in Yukon Koyukuk 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 99733. It covers 106.899 sq mi of land and a water area of 0.569 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:106.899 sq miSource: Census
Water Area:0.569 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:0214880Source: Census
Place Name:Circle CDP; AlaskaSource: Census

Adjacent & Nearby ZIP Codes


99734 | | 99732

Schools in ZIP Code 99733


ZIP Code 99733 is in the Yukon Flats School District, which serves grades Pre-Kindergarten thru 12th. There are 1 public school(s) in this ZIP Code, and we have located 2 private school(s).

Earla Hutchinson School 161 Milepost Steese Hwy
Circle, AK 99733
District: Yukon Flats School District
Whitestone Farms Training Center / Whitestone Hs 932 Westside Loop
Delta Junction, AK 99737
District: Private SchoolNearby
Summit Christian Academy 3340 Badger Rd
North Pole, AK 99705
District: Private SchoolNearby

Sources & References


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.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov