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Alaska ZIP Codes
Prince Of Wales Hyder County
Coffman Cove, AK
99918
99918 ZIP Code — Coffman Cove, AK
Prince Of Wales Hyder County, Alaska
ZIP code 99918 is located in
Coffman Cove ,
Alaska ,
within Prince Of Wales Hyder County .
It covers approximately 35.85 square miles and serves a population of
241 residents.
This is a standard ZIP code in the Alaska (AKT) timezone,
served by area code 907 .
About ZIP code 99918
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $235,700. Owner-occupancy is high at 91%, well above the national average.
The gap between median ($54,464) and mean household income suggests income inequality — a small number of higher earners pull the average up. 53% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.
College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (22%) compared to national benchmarks.
Notable community characteristics include disability rates above the national average at 22%.
Overall, ZIP code 99918 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
99918 ZIP code map
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Cities in ZIP code 99918
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Demographics
updated 06/2026
Population
Total population
241
Population density
7 / sq mi
State FIPS
02
County FIPS
198
Geography
Land area
35.85 sq mi
Water area
3.43 sq mi
Latitude
55.9633
Longitude
-132.8145
Timezone
Alaska (AKT)
Area code
907
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
43.5%
47.0%
29.8%
$50k – $100k
30.4%
28.1%
32.4%
$100k – $200k
26.1%
22.3%
28.9%
Over $200k
0.0%
2.6%
8.8%
Demographics & statistics
$54,464
Median household income
$235,700
Median home value
13.0%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 74 30.7% 18 and over 167 69.3% 65 and over 79 32.8% Median age 40.8 years
Race & ethnicity
Group Count % White 238 98.8% Two or more races 3 1.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
43.5%
47.0%
29.8%
$50k – $100k
30.4%
28.1%
32.4%
$100k – $200k
26.1%
22.3%
28.9%
Over $200k
0.0%
2.6%
8.8%
Range % of households $10k–$15k 6.9% $15k–$25k 5.9% $25k–$35k 5.9% $35k–$50k 25.7% $50k–$75k 25.7% $150k–$200k 27.7% $200k+ 2.0% Median income $54,464
Housing
Housing overview
Metric Value Median home value $235,700 Median rent / month $0 Owner occupied 91.1% Renter occupied 8.9% Vacant 54.9% Single-family detached 84.8% Large apartment buildings 0.0% Mobile homes 12.5% Median rooms 4.8 Avg household size (owned) 2.47
Year built
Era % 2020 or later 0.0% 2010–2019 15.2% 2000–2009 17.0% 1990–1999 29.0% 1980–1989 21.4% 1970–1979 11.6% 1960–1969 4.0% 1950–1959 1.8% 1940–1949 0.0% 1939 or earlier 0.0%
Bedrooms
Size % of units No bedroom (studio) 4.5% 1 bedroom 14.3% 2 bedrooms 38.4% 3 bedrooms 34.4% 4 bedrooms 8.5% 5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households No vehicle 5.9% 1 vehicle 19.8% 2 vehicles 40.6% 3 or more 33.7%
Heating fuel
Fuel type % Propane / LP gas 2.0% Fuel oil 19.8% Wood 78.2%
Households & families
Household type Count % Married-couple family 49 48.5% Cohabiting couple 10 9.9% Male householder, no spouse 24 23.8% Female householder, no spouse 18 17.8% Households with children under 18 23 22.8% Households with seniors (65+) 47 46.5% Average household size 2.39
Marital status
Status Male Female Never married 0.0% 8.3% Married 64.2% 65.3% Separated 0.0% 0.0% Widowed 15.8% 18.1% Divorced 20.0% 8.3%
Education
Some college, no degree
21.7%
Graduate / professional
1.2%
Metric % HS diploma or higher 96.3% Bachelor's or higher 13.0%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 15 28.3% Kindergarten 4 7.5% Elementary school 27 50.9% High school 7 13.2% College / grad school 0 0.0%
Employment
Industry of employment
Education & healthcare
28.8%
Agriculture & mining
26.3%
Arts, food & hospitality
22.5%
Public administration
15.0%
Occupation
Category % Management, business & arts 41.3% Service 12.5% Sales & office 16.3% Natural resources & construction 30.0% Production & transportation 0.0%
Employment type
Type % Private sector 60.0% Government 32.5% Self-employed 7.5% Unpaid family workers 0.0%
Commute
Method % Drive alone 63.8% Carpool 8.8% Public transit 0.0% Walk 20.0% Work from home 7.5% Other means 0.0% Avg commute (minutes) 22.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households Social Security 52.5% Retirement income 33.7% Supplemental Security 1.0% Cash public assistance 0.0% Food stamps / SNAP 9.9%
Health indicators
Condition % Obesity 33.2% High blood pressure 39.7% High cholesterol 37.3% Diabetes 11.4% Heart disease 8.2% Stroke 3.8% Asthma 9.7% Arthritis 28.0% Kidney disease 3.4% Pulmonary disease 8.9% Cancer 7.0%
Behavior / access % Smoking 22.1% Binge drinking 17.8% No physical activity 24.6% Less than 7 hrs sleep 30.5% Depression 17.8% Fair or poor health 16.8% Poor mental health 12.5% Poor physical health 12.8% No health insurance 13.3% Visited doctor (checkup) 64.6% Visited dentist 58.3% Cholesterol screening 88.9% Teeth loss 16.2%
Veterans & disability
Veterans Count % Civilian veterans 5 3.0%
Disability % Any disability 22.4% Under 18 12.2% 18–64 years 23.9% 65 and over 30.4%
Health insurance coverage
Type % Private insurance 22.4% Public insurance 78.8% No insurance 5.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 205 85.1% Spanish 0 0.0% 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) 228 94.6% Born in same state 228 94.6% Born in different state 54 22.4% Foreign born 0 0.0% Naturalized citizen 13 5.4% Not a US citizen 13 100.0%
Ancestry
Ancestry Count % Italian 90 37.3%
Ancestry Count % French 4 1.7%
Technology access
Metric % of households Computer access 41.9% Internet access 88.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99918
What city is ZIP code 99918 in?
ZIP code 99918 is primarily assigned to Coffman Cove, Alaska.
What county is ZIP code 99918 in?
ZIP code 99918 falls within Prince Of Wales Hyder County, Alaska.
Does ZIP code 99918 have an older population?
33% of residents in ZIP code 99918 are 65 or older, above the national average of ~17%.
Does ZIP code 99918 have a large retiree population?
53% of households in ZIP code 99918 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 99918 mostly owner-occupied?
91% of occupied units in ZIP code 99918 are owner-occupied, well above the national average.
How educated is the population of ZIP code 99918?
13% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What timezone is ZIP code 99918 in?
ZIP code 99918 observes the AKST timezone.
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