99639 ZIP Code — Ninilchik, AK

Kenai Peninsula County, Alaska

ZIP code 99639 is located in Ninilchik, Alaska, within Kenai Peninsula County. It covers approximately 359.23 square miles and serves a population of 1,234 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.

About ZIP code 99639

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $229,000. Owner-occupancy is high at 87%, well above the national average.

Median household income is $50,284. Poverty affects 19% of residents, above the national average. 54% 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 28 minutes is near the national average.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 19% of civilians, above the national average of 7%; and disability rates above the national average at 26%.

Overall, ZIP code 99639 reflects a community defined by economic challenges above the national average, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,234
population
359.23
sq mi land
Standard
ZIP type
Alaska (AKT)
timezone
99639 ZIP code map
Cities in ZIP code 99639

Below are the cities the US Postal Service accepts for ZIP code 99639. Using any city not on this list may result in mail delivery delays.

City Status
Ninilchik Preferred
Nearby ZIP codes
99568 Clam Gulch (12.4 mi) 99556 Anchor Point (16.9 mi)
Demographics updated 05/2026
Population
Total population 1,234
Population density 3 / sq mi
State FIPS 02
County FIPS 122
Geography
Land area 359.23 sq mi
Water area 0.03 sq mi
Latitude 60.0312
Longitude -151.4264
Timezone Alaska (AKT)
Area code 907
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 47.6% 35.5% 29.8%
$50k – $100k 29.6% 32.4% 32.4%
$100k – $200k 18.2% 24.9% 28.9%
Over $200k 4.7% 7.2% 8.8%

Demographics & statistics

1,234
Population
3
People per sq mi
53.8
Median age
$50,284
Median household income
$26,941
Per capita income
$229,000
Median home value
$950
Median monthly rent
87.1%
Home ownership
18.6%
Poverty rate
9.3%
Unemployment
1,133
Housing units
22.8%
Bachelor's or higher

Age distribution

Male Female
67
Under 5
58
23
5–9
20
42
10–14
37
29
15–19
26
22
20–24
20
64
25–34
55
44
35–44
38
47
45–54
41
52
55–59
46
66
60–64
57
113
65–74
99
70
75–84
62
19
85+
17
← Male
Female →

Age summary

GroupCount%
Under 1826421.4%
18 and over97078.6%
65 and over38030.8%
Median age53.8 years

Race & ethnicity

White 71.7%
American Indian / Alaska Native 11.8%
Two or more races 10%
Hispanic or Latino 3.7%
Asian 2.2%
Other race 0.7%
GroupCount%
White91871.7%
American Indian / Alaska Native15111.8%
Two or more races12810%
Hispanic or Latino473.7%
Asian282.2%
Other race90.7%

Household income

Income range This ZIP County avg State avg
Under $50k 47.6% 35.5% 29.8%
$50k – $100k 29.6% 32.4% 32.4%
$100k – $200k 18.2% 24.9% 28.9%
Over $200k 4.7% 7.2% 8.8%
Under $10k 12.2%
$10k–$15k 2.8%
$15k–$25k 13.7%
$25k–$35k 12.6%
$35k–$50k 8.3%
$50k–$75k 24.6%
$75k–$100k 9.6%
$100k–$150k 10.7%
$150k–$200k 0.4%
$200k+ 5.2%
Range% of households
Under $10k12.2%
$10k–$15k2.8%
$15k–$25k13.7%
$25k–$35k12.6%
$35k–$50k8.3%
$50k–$75k24.6%
$75k–$100k9.6%
$100k–$150k10.7%
$150k–$200k0.4%
$200k+5.2%
Median income$50,284

Housing

Home values

Under $50k 0.6%
$50k–$100k 13.0%
$100k–$150k 11.9%
$150k–$200k 11.5%
$200k–$300k 34.8%
$300k–$500k 18.3%
$500k–$1M 10.0%

Housing overview

MetricValue
Median home value$229,000
Median rent / month$950
Owner occupied87.1%
Renter occupied12.9%
Vacant55.0%
Single-family detached93.5%
Large apartment buildings0.0%
Mobile homes4.2%
Median rooms3.7
Avg household size (owned)2.28

Year built

Era%
2020 or later0.0%
2010–20194.2%
2000–200931.0%
1990–199928.1%
1980–198919.9%
1970–197910.5%
1960–19693.7%
1950–19590.8%
1940–19491.1%
1939 or earlier0.7%

Bedrooms

Size% of units
No bedroom (studio)11.1%
1 bedroom24.7%
2 bedrooms32.1%
3 bedrooms21.6%
4 bedrooms8.0%
5+ bedrooms2.5%

Vehicles per household

Vehicles% of households
No vehicle1.3%
1 vehicle30.1%
2 vehicles46.0%
3 or more22.6%

Heating fuel

Fuel type%
Utility gas7.6%
Electricity2.2%
Propane / LP gas5.5%
Fuel oil71.5%
Wood12.6%

Households & families

Household typeCount%
Married-couple family27951.6%
Cohabiting couple376.8%
Male householder, no spouse13424.8%
Female householder, no spouse9116.8%
Households with children under 189517.6%
Households with seniors (65+)30656.6%
Average household size2.28

Marital status

StatusMaleFemale
Never married26.0%19.6%
Married52.8%63.6%
Separated1.9%1.3%
Widowed5.8%11.0%
Divorced13.5%4.4%

Education

Less than 9th grade 2.9%
Some HS, no diploma 4.3%
HS graduate 32.9%
Some college, no degree 28.4%
Associate's degree 8.7%
Bachelor's degree 17.1%
Graduate / professional 5.7%
Metric%
HS diploma or higher92.8%
Bachelor's or higher22.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool157.1%
Kindergarten00.0%
Elementary school11855.9%
High school3114.7%
College / grad school4722.3%

Employment

Industry of employment

Education & healthcare 25.0%
Arts, food & hospitality 23.0%
Agriculture & mining 13.9%
Construction 10.5%
Retail trade 8.2%
Professional & management 4.5%
Transportation & utilities 4.3%
Manufacturing 2.8%
Other services 2.8%
Finance & real estate 2.3%
Public administration 1.4%
Information 1.1%

Occupation

Category%
Management, business & arts32.7%
Service31.5%
Sales & office15.6%
Natural resources & construction17.6%
Production & transportation2.6%

Employment type

Type%
Private sector61.4%
Government16.8%
Self-employed21.9%
Unpaid family workers0.0%

Commute

Method%
Drive alone75.2%
Carpool3.5%
Public transit0.0%
Walk1.2%
Work from home9.7%
Other means10.3%
Avg commute (minutes)27.5

Poverty

All people 18.6%
Under 18 years 17.1%
18 and over 19.0%
Married-couple families 8.6%
Female-led households 26.5%

Income support

Source% of households
Social Security54.0%
Retirement income40.3%
Supplemental Security4.8%
Cash public assistance6.5%
Food stamps / SNAP12.6%

Health indicators

Condition%
Obesity34.8%
High blood pressure40.2%
High cholesterol36.7%
Diabetes10.8%
Heart disease8.1%
Stroke3.8%
Asthma9.9%
Arthritis28.8%
Kidney disease3.3%
Pulmonary disease8.1%
Cancer7.8%
Behavior / access%
Smoking20.5%
Binge drinking16.6%
No physical activity25.1%
Less than 7 hrs sleep32.7%
Depression16.8%
Fair or poor health15.3%
Poor mental health11.8%
Poor physical health11.7%
No health insurance12.7%
Visited doctor (checkup)65.3%
Visited dentist58.5%
Cholesterol screening90.8%
Teeth loss13.4%

Veterans & disability

VeteransCount%
Civilian veterans18018.6%
Disability%
Any disability26.0%
Under 183.0%
18–64 years22.4%
65 and over47.6%

Health insurance coverage

Type%
Private insurance49.6%
Public insurance57.1%
No insurance10.9%
Uninsured under 1914.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,10989.9%
Spanish40.4%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages40.4%

Place of birth & citizenship

OriginCount%
Native born (US)1,20297.4%
Born in same state1,19897.1%
Born in different state43034.8%
Foreign born40.3%
Naturalized citizen322.6%
Not a US citizen2371.9%

Ancestry

AncestryCount%
Italian18515%
French1088.8%
Polish806.5%
Arab373%
AncestryCount%
English231.9%
Dutch110.9%
German40.3%

Technology access

Metric% of households
Computer access43.8%
Internet access90.6%

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

Frequently asked questions about ZIP code 99639

What city is ZIP code 99639 in?

ZIP code 99639 is primarily assigned to Ninilchik, Alaska.

What county is ZIP code 99639 in?

ZIP code 99639 falls within Kenai Peninsula County, Alaska.

Does ZIP code 99639 have an older population?

31% of residents in ZIP code 99639 are 65 or older, above the national average of ~17%.

Does ZIP code 99639 have a large retiree population?

54% of households in ZIP code 99639 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 99639 mostly owner-occupied?

87% of occupied units in ZIP code 99639 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 99639?

19% of residents in ZIP code 99639 live below the poverty line, above the national average.

What timezone is ZIP code 99639 in?

ZIP code 99639 observes the AKST timezone.

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