99620 ZIP Code — Kotlik, AK

Kusilvak County, Alaska

ZIP code 99620 is located in Kotlik, Alaska, within Kusilvak County. It covers approximately 2.99 square miles and serves a population of 1,272 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.

About ZIP code 99620

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $51,100. Owner-occupancy sits near the national average at 73%.

Median household income is $42,344. Poverty affects 35% of residents, above the national average. SNAP benefit usage at 62% 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.

Health indicators show elevated rates of diabetes (15%), smoking (41%) compared to national benchmarks.

Overall, ZIP code 99620 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

1,272

population

2.99

sq mi land

Standard

ZIP type

Alaska (AKT)

timezone

99620 ZIP code map

Cities in ZIP code 99620

Below are the cities the US Postal Service accepts for ZIP code 99620. Using any city not on this list may result in mail delivery delays.

City	Status
Kotlik	Acceptable

Demographics updated 06/2026

Population
Total population	1,272
Population density	425 / sq mi
State FIPS	02
County FIPS	158

Geography
Land area	2.99 sq mi
Water area	0.51 sq mi
Latitude	62.9568
Longitude	-163.9041
Timezone	Alaska (AKT)
Area code	907

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	64.1%	66.1%	29.8%
$50k – $100k	30.2%	23.1%	32.4%
$100k – $200k	4.1%	9.7%	28.9%
Over $200k	1.6%	1.1%	8.8%

Demographics & statistics

1,272

Population

425

People per sq mi

18.6

Median age

$42,344

Median household income

$10,256

Per capita income

$51,100

Median home value

$644

Median monthly rent

73.0%

Home ownership

35.4%

Poverty rate

22.4%

Unemployment

201

Housing units

1.4%

Bachelor's or higher

Age distribution

Male Female

115

Under 5

102

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	616	48.4%
18 and over	656	51.6%
65 and over	50	3.9%
Median age	18.6 years

Race & ethnicity

American Indian / Alaska Native 98.2%

Two or more races 1.2%

White 0.3%

Asian 0.3%

Group	Count	%
American Indian / Alaska Native	1,249	98.2%
Two or more races	15	1.2%
White	4	0.3%
Asian	4	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	64.1%	66.1%	29.8%
$50k – $100k	30.2%	23.1%	32.4%
$100k – $200k	4.1%	9.7%	28.9%
Over $200k	1.6%	1.1%	8.8%

Under $10k 5.0%

$10k–$15k 5.4%

$15k–$25k 19.9%

$25k–$35k 11.6%

$35k–$50k 9.5%

$50k–$75k 33.2%

$75k–$100k 7.1%

$100k–$150k 5.4%

$150k–$200k 0.8%

$200k+ 2.1%

Range	% of households
Under $10k	5.0%
$10k–$15k	5.4%
$15k–$25k	19.9%
$25k–$35k	11.6%
$35k–$50k	9.5%
$50k–$75k	33.2%
$75k–$100k	7.1%
$100k–$150k	5.4%
$150k–$200k	0.8%
$200k+	2.1%
Median income	$42,344

Housing

Home values

Under $50k 48.9%

$50k–$100k 32.4%

$100k–$150k 8.5%

$150k–$200k 3.4%

$200k–$300k 4.5%

$300k–$500k 2.3%

Housing overview

Metric	Value
Median home value	$51,100
Median rent / month	$644
Owner occupied	73.0%
Renter occupied	27.0%
Vacant	9.4%
Single-family detached	97.4%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	3.8
Avg household size (owned)	4.73

Year built

Era	%
2020 or later	0.0%
2010–2019	1.9%
2000–2009	16.2%
1990–1999	13.2%
1980–1989	30.1%
1970–1979	29.7%
1960–1969	8.3%
1950–1959	0.8%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	14.3%
1 bedroom	4.1%
2 bedrooms	29.3%
3 bedrooms	33.1%
4 bedrooms	18.0%
5+ bedrooms	1.1%

Vehicles per household

Vehicles	% of households
No vehicle	99.6%
1 vehicle	0.4%
2 vehicles	0.0%
3 or more	0.0%

Heating fuel

Fuel type	%
Utility gas	1.7%
Electricity	7.1%
Fuel oil	78.8%
Wood	12.4%

Households & families

Household type	Count	%
Married-couple family	67	27.8%
Cohabiting couple	53	22.0%
Male householder, no spouse	59	24.5%
Female householder, no spouse	62	25.7%
Households with children under 18	184	76.3%
Households with seniors (65+)	42	17.4%
Average household size	5.28

Marital status

Status	Male	Female
Never married	62.4%	60.2%
Married	23.1%	30.4%
Separated	2.6%	2.5%
Widowed	1.4%	5.6%
Divorced	10.5%	1.4%

Education

Less than 9th grade 3.2%

Some HS, no diploma 12.9%

HS graduate 52.9%

Some college, no degree 27.7%

Associate's degree 1.8%

Bachelor's degree 0.8%

Graduate / professional 0.6%

Metric	%
HS diploma or higher	83.8%
Bachelor's or higher	1.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	49	10.3%
Kindergarten	23	4.9%
Elementary school	297	62.7%
High school	78	16.5%
College / grad school	27	5.7%

Employment

Industry of employment

Public administration 43.8%

Education & healthcare 32.9%

Retail trade 8.7%

Transportation & utilities 6.8%

Arts, food & hospitality 4.7%

Professional & management 2.5%

Other services 0.6%

Occupation

Category	%
Management, business & arts	44.1%
Service	21.1%
Sales & office	16.5%
Natural resources & construction	0.6%
Production & transportation	17.7%

Employment type

Type	%
Private sector	24.2%
Government	75.8%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	0.0%
Carpool	0.0%
Public transit	0.0%
Walk	64.6%
Work from home	0.6%
Other means	34.8%
Avg commute (minutes)	5.6

Poverty

All people 35.4%

Under 18 years 36.8%

18 and over 34.0%

Married-couple families 25.4%

Female-led households 44.0%

Income support

Source	% of households
Social Security	17.8%
Retirement income	7.9%
Supplemental Security	10.0%
Cash public assistance	26.1%
Food stamps / SNAP	62.2%

Health indicators

Condition	%
Obesity	41.3%
High blood pressure	37.6%
High cholesterol	26.6%
Diabetes	15.3%
Heart disease	8.3%
Stroke	5.7%
Asthma	14.1%
Arthritis	23.2%
Kidney disease	4.1%
Pulmonary disease	11.2%
Cancer	4.0%

Behavior / access	%
Smoking	41.2%
Binge drinking	18.8%
No physical activity	38.2%
Less than 7 hrs sleep	39.2%
Depression	21.8%
Fair or poor health	31.3%
Poor mental health	21.2%
Poor physical health	18.9%
No health insurance	22.9%
Visited doctor (checkup)	60.4%
Visited dentist	34.4%
Cholesterol screening	76.4%
Teeth loss	42.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	21	3.2%

Disability	%
Any disability	14.9%
Under 18	13.3%
18–64 years	11.9%
65 and over	72.0%

Health insurance coverage

Type	%
Private insurance	21.7%
Public insurance	80.0%
No insurance	6.3%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,055	82.9%
Spanish	32	3.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,268	99.7%
Born in same state	1,268	99.7%
Born in different state	1,260	99.1%
Foreign born	0	0.0%
Naturalized citizen	4	0.3%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	3	0.2%

Technology access

Metric	% of households
Computer access	18.9%
Internet access	86.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 99620

What city is ZIP code 99620 in?

ZIP code 99620 is primarily assigned to Kotlik, Alaska.

What county is ZIP code 99620 in?

ZIP code 99620 falls within Kusilvak County, Alaska.

Is ZIP code 99620 family-oriented?

48% of residents in ZIP code 99620 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 99620?

35% of residents in ZIP code 99620 live below the poverty line, above the national average.

What is the typical home value in ZIP code 99620?

The median home value in ZIP code 99620 is $51,100.

What are the health statistics for ZIP code 99620?

Health data for ZIP code 99620 shows elevated rates of diabetes (15%) and smoking (41%) compared to national benchmarks.

What timezone is ZIP code 99620 in?

ZIP code 99620 observes the AKST timezone.