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Alaska ZIP Codes
Bethel County
Kwethluk, AK
99621
99621 ZIP Code — Kwethluk, AK
Bethel County, Alaska
ZIP code 99621 is located in
Kwethluk ,
Alaska ,
within Bethel County .
It covers approximately 10.18 square miles and serves a population of
561 residents.
This is a standard ZIP code in the Alaska (AKT) timezone,
served by area code 907 .
About ZIP code 99621
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Owner-occupancy sits near the national average at 70%.
Median household income is $43,750. Poverty affects 42% of residents, above the national average. SNAP benefit usage at 58% of households reflects economic stress in the area.
The dominant occupation class is management, business, and professional, with public administration as the leading industry. The average commute of 6 minutes is near the national average.
College attainment at 8% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (41%) compared to national benchmarks. 33% of residents lack health insurance, above the national average.
Overall, ZIP code 99621 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.
99621 ZIP code map
View map of 99621
Cities in ZIP code 99621
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Demographics
updated 06/2026
Population
Total population
561
Population density
55 / sq mi
State FIPS
02
County FIPS
050
Geography
Land area
10.18 sq mi
Water area
1.65 sq mi
Latitude
60.7790
Longitude
-161.3964
Timezone
Alaska (AKT)
Area code
907
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.6%
45.6%
29.8%
$50k – $100k
29.3%
28.5%
32.4%
$100k – $200k
13.1%
20.2%
28.9%
Over $200k
0.0%
5.7%
8.8%
Demographics & statistics
$43,750
Median household income
Age distribution
Age summary
Group Count % Under 18 220 39.2% 18 and over 341 60.8% 65 and over 20 3.6% Median age 24.7 years
Race & ethnicity
American Indian / Alaska Native
95.9%
Group Count % American Indian / Alaska Native 538 95.9% Two or more races 9 1.6% White 8 1.4% Asian 6 1.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.6%
45.6%
29.8%
$50k – $100k
29.3%
28.5%
32.4%
$100k – $200k
13.1%
20.2%
28.9%
Over $200k
0.0%
5.7%
8.8%
Range % of households Under $10k 13.8% $10k–$15k 6.9% $15k–$25k 17.2% $25k–$35k 4.3% $35k–$50k 11.2% $50k–$75k 19.8% $75k–$100k 8.6% $100k–$150k 5.2% $150k–$200k 11.2% $200k+ 1.7% Median income $43,750
Housing
Housing overview
Metric Value Median home value $0 Median rent / month $829 Owner occupied 69.8% Renter occupied 30.2% Vacant 29.7% Single-family detached 95.8% Large apartment buildings 0.0% Mobile homes 0.6% Median rooms 3.6 Avg household size (owned) 5.19
Year built
Era % 2020 or later 0.0% 2010–2019 1.8% 2000–2009 17.6% 1990–1999 31.5% 1980–1989 13.3% 1970–1979 23.6% 1960–1969 9.7% 1950–1959 0.0% 1940–1949 0.0% 1939 or earlier 2.4%
Bedrooms
Size % of units No bedroom (studio) 25.5% 1 bedroom 10.9% 2 bedrooms 15.2% 3 bedrooms 27.3% 4 bedrooms 21.2% 5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households No vehicle 75.9% 1 vehicle 19.8% 2 vehicles 2.6% 3 or more 1.7%
Heating fuel
Fuel type % Fuel oil 78.4% Wood 21.6%
Households & families
Household type Count % Married-couple family 39 33.6% Cohabiting couple 22 19.0% Male householder, no spouse 32 27.6% Female householder, no spouse 23 19.8% Households with children under 18 69 59.5% Households with seniors (65+) 20 17.2% Average household size 4.84
Marital status
Status Male Female Never married 65.8% 62.0% Married 22.3% 21.7% Separated 3.0% 3.3% Widowed 1.0% 8.7% Divorced 7.9% 4.3%
Education
Some HS, no diploma
21.3%
Some college, no degree
14.4%
Graduate / professional
3.6%
Metric % HS diploma or higher 69.7% Bachelor's or higher 7.6%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 14 7.3% Kindergarten 12 6.3% Elementary school 94 49.2% High school 53 27.7% College / grad school 18 9.4%
Employment
Industry of employment
Public administration
32.2%
Education & healthcare
24.3%
Professional & management
11.2%
Arts, food & hospitality
4.6%
Transportation & utilities
3.3%
Occupation
Category % Management, business & arts 31.6% Service 23.0% Sales & office 19.1% Natural resources & construction 7.2% Production & transportation 19.1%
Employment type
Type % Private sector 34.2% Government 65.8% Self-employed 0.0% Unpaid family workers 0.0%
Commute
Method % Drive alone 6.6% Carpool 2.6% Public transit 0.0% Walk 65.8% Work from home 1.3% Other means 23.7% Avg commute (minutes) 6.0
Poverty
Married-couple families
35.9%
Female-led households
38.2%
Income support
Source % of households Social Security 18.1% Retirement income 17.2% Supplemental Security 7.8% Cash public assistance 6.0% Food stamps / SNAP 57.8%
Health indicators
Condition % Obesity 38.2% High blood pressure 37.0% High cholesterol 27.6% Diabetes 14.6% Heart disease 8.4% Stroke 5.7% Asthma 13.9% Arthritis 22.6% Kidney disease 4.1% Pulmonary disease 11.2% Cancer 4.5%
Behavior / access % Smoking 40.5% Binge drinking 20.1% No physical activity 37.1% Less than 7 hrs sleep 38.2% Depression 21.0% Fair or poor health 28.7% Poor mental health 20.1% Poor physical health 18.4% No health insurance 21.3% Visited doctor (checkup) 66.4% Visited dentist 35.8% Cholesterol screening 77.9% Teeth loss 41.1%
Veterans & disability
Veterans Count % Civilian veterans 18 5.3%
Disability % Any disability 15.2% Under 18 9.1% 18–64 years 16.8% 65 and over 55.0%
Health insurance coverage
Type % Private insurance 13.5% Public insurance 58.8% No insurance 33.0% Uninsured under 19 20.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 490 87.3% Spanish 5 1.0% Other Indo-European 0 0.0% Asian & Pacific Islander 0 0.0% Other languages 2 0.4%
Place of birth & citizenship
Origin Count % Native born (US) 555 98.9% Born in same state 555 98.9% Born in different state 546 97.3% Foreign born 0 0.0% Naturalized citizen 6 1.1% Not a US citizen 2 33.3%
Ancestry
Ancestry Count % French 5 0.9%
Ancestry Count % Italian 2 0.4%
Technology access
Metric % of households Computer access 20.7% Internet access 78.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99621
What city is ZIP code 99621 in?
ZIP code 99621 is primarily assigned to Kwethluk, Alaska.
What county is ZIP code 99621 in?
ZIP code 99621 falls within Bethel County, Alaska.
What is the poverty rate in ZIP code 99621?
42% of residents in ZIP code 99621 live below the poverty line, above the national average.
Is ZIP code 99621 family-oriented?
39% of residents in ZIP code 99621 are under 18, reflecting a younger, family-oriented community.
How educated is the population of ZIP code 99621?
8% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the median household income in ZIP code 99621?
The median household income in ZIP code 99621 is $43,750, below the national median of ~$75,000.
What timezone is ZIP code 99621 in?
ZIP code 99621 observes the AKST timezone.
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