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Alaska ZIP Codes
Yukon Koyukuk County
Mc Grath, AK
99627
99627 ZIP Code — Mc Grath, AK
Yukon Koyukuk County, Alaska
ZIP code 99627 is located in
Mc Grath ,
Alaska ,
within Yukon Koyukuk County .
It covers approximately 6,627.64 square miles and serves a population of
226 residents.
This is a standard ZIP code in the Alaska (AKT) timezone,
served by area code 907 .
About ZIP code 99627
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $83,600. Owner-occupancy is high at 77%, well above the national average.
Median household income is $44,250. SNAP benefit usage at 30% of households reflects economic stress in the area. 34% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with retail trade as the leading industry. The average commute of 6 minutes is near the national average.
College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (32%) compared to national benchmarks. 22% of residents lack health insurance, above the national average.
Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%; and disability rates above the national average at 32%.
Overall, ZIP code 99627 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.
99627 ZIP code map
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Cities in ZIP code 99627
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Demographics
updated 06/2026
Population
Total population
226
Population density
38 / sq mi
State FIPS
02
County FIPS
290
Geography
Land area
6,627.64 sq mi
Water area
26.38 sq mi
Latitude
63.2005
Longitude
-154.8901
Timezone
Alaska (AKT)
Area code
907
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.7%
57.9%
29.8%
$50k – $100k
33.0%
28.7%
32.4%
$100k – $200k
13.4%
11.4%
28.9%
Over $200k
0.9%
2.0%
8.8%
Demographics & statistics
$44,250
Median household income
19.1%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 56 24.8% 18 and over 170 75.2% 65 and over 61 27.0% Median age 42.7 years
Race & ethnicity
American Indian / Alaska Native
47.6%
Black or African American
1.3%
Group Count % American Indian / Alaska Native 110 47.6% White 73 31.6% Two or more races 40 17.3% Hispanic or Latino 5 2.2% Black or African American 3 1.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.7%
57.9%
29.8%
$50k – $100k
33.0%
28.7%
32.4%
$100k – $200k
13.4%
11.4%
28.9%
Over $200k
0.9%
2.0%
8.8%
Range % of households Under $10k 8.2% $10k–$15k 1.0% $15k–$25k 8.2% $25k–$35k 19.6% $35k–$50k 18.6% $50k–$75k 15.5% $75k–$100k 4.1% $100k–$150k 19.6% $150k–$200k 3.1% $200k+ 2.1% Median income $44,250
Housing
Housing overview
Metric Value Median home value $83,600 Median rent / month $860 Owner occupied 77.3% Renter occupied 22.7% Vacant 56.1% Single-family detached 96.4% Large apartment buildings 0.0% Mobile homes 0.9% Median rooms 3.8 Avg household size (owned) 2.51
Year built
Era % 2020 or later 0.0% 2010–2019 4.1% 2000–2009 8.6% 1990–1999 5.4% 1980–1989 27.1% 1970–1979 32.1% 1960–1969 8.1% 1950–1959 3.6% 1940–1949 10.0% 1939 or earlier 0.9%
Bedrooms
Size % of units No bedroom (studio) 24.4% 1 bedroom 17.6% 2 bedrooms 14.5% 3 bedrooms 29.9% 4 bedrooms 12.2% 5+ bedrooms 1.4%
Vehicles per household
Vehicles % of households No vehicle 39.2% 1 vehicle 35.1% 2 vehicles 21.6% 3 or more 4.1%
Heating fuel
Fuel type % Utility gas 1.0% Electricity 8.2% Fuel oil 47.4% Wood 43.3%
Households & families
Household type Count % Married-couple family 42 43.3% Cohabiting couple 9 9.3% Male householder, no spouse 10 10.3% Female householder, no spouse 36 37.1% Households with children under 18 26 26.8% Households with seniors (65+) 43 44.3% Average household size 2.33
Marital status
Status Male Female Never married 31.3% 28.7% Married 64.2% 42.6% Separated 0.0% 7.0% Widowed 0.0% 15.7% Divorced 4.5% 6.1%
Education
Some college, no degree
19.7%
Graduate / professional
9.6%
Metric % HS diploma or higher 89.2% Bachelor's or higher 19.1%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 3 5.9% Kindergarten 4 7.8% Elementary school 15 29.4% High school 26 51.0% College / grad school 3 5.9%
Employment
Industry of employment
Transportation & utilities
25.3%
Education & healthcare
14.9%
Public administration
14.9%
Professional & management
4.6%
Finance & real estate
3.4%
Arts, food & hospitality
2.3%
Occupation
Category % Management, business & arts 39.1% Service 11.5% Sales & office 25.3% Natural resources & construction 11.5% Production & transportation 12.6%
Employment type
Type % Private sector 62.1% Government 33.3% Self-employed 4.6% Unpaid family workers 0.0%
Commute
Method % Drive alone 39.1% Carpool 20.7% Public transit 0.0% Walk 12.6% Work from home 5.7% Other means 21.8% Avg commute (minutes) 6.2
Poverty
Married-couple families
11.9%
Female-led households
8.3%
Income support
Source % of households Social Security 34.0% Retirement income 21.6% Supplemental Security 0.0% Cash public assistance 8.2% Food stamps / SNAP 29.9%
Health indicators
Condition % Obesity 36.5% High blood pressure 37.8% High cholesterol 32.3% Diabetes 13.6% Heart disease 8.5% Stroke 4.8% Asthma 11.8% Arthritis 26.1% Kidney disease 3.7% Pulmonary disease 10.5% Cancer 5.7%
Behavior / access % Smoking 32.1% Binge drinking 19.1% No physical activity 30.3% Less than 7 hrs sleep 35.6% Depression 20.6% Fair or poor health 23.1% Poor mental health 16.5% Poor physical health 15.9% No health insurance 18.3% Visited doctor (checkup) 62.3% Visited dentist 45.7% Cholesterol screening 83.7% Teeth loss 25.2%
Veterans & disability
Veterans Count % Civilian veterans 24 14.3%
Disability % Any disability 31.7% Under 18 7.1% 18–64 years 27.1% 65 and over 62.3%
Health insurance coverage
Type % Private insurance 37.1% Public insurance 50.9% No insurance 21.9% Uninsured under 19 23.2%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 215 95.1% 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) 225 99.6% Born in same state 223 98.7% Born in different state 140 61.9% Foreign born 2 0.9% Naturalized citizen 1 0.4% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Italian 8 3.5% French 8 3.5% Norwegian 5 2.2%
Ancestry Count % Arab 5 2.2% Polish 3 1.3%
Technology access
Metric % of households Computer access 42.9% Internet access 78.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99627
What city is ZIP code 99627 in?
ZIP code 99627 is primarily assigned to Mc Grath, Alaska.
What county is ZIP code 99627 in?
ZIP code 99627 falls within Yukon Koyukuk County, Alaska.
Does ZIP code 99627 have an older population?
27% of residents in ZIP code 99627 are 65 or older, above the national average of ~17%.
What is the poverty rate in ZIP code 99627?
18% of residents in ZIP code 99627 live below the poverty line, above the national average.
Does ZIP code 99627 have a large veteran population?
14% of civilians in ZIP code 99627 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 99627?
The median home value in ZIP code 99627 is $83,600.
What timezone is ZIP code 99627 in?
ZIP code 99627 observes the AKST timezone.
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