99635 ZIP Code — Nikiski, AK

Kenai Peninsula County, Alaska

ZIP code 99635 is located in Nikiski, Alaska, within Kenai Peninsula County. It covers approximately 4,904.94 square miles and serves a population of 114 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.

114

population

4,904.94

sq mi land

Standard

ZIP type

Alaska (AKT)

timezone

99635 ZIP code map

Cities in ZIP code 99635

Below are the cities the US Postal Service accepts for ZIP code 99635. Using any city not on this list may result in mail delivery delays.

City	Status
Nikiski	Acceptable

Demographics updated 06/2026

Population
Total population	114
Population density	29 / sq mi
State FIPS	02
County FIPS	122

Geography
Land area	4,904.94 sq mi
Water area	121.49 sq mi
Latitude	60.8658
Longitude	-150.8627
Timezone	Alaska (AKT)
Area code	907

Total population by age

Gender

Race & ethnicity

Demographics & statistics

114

Population

People per sq mi

30.5

Median age

Median household income

$96,244

Per capita income

Median home value

Median monthly rent

0.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

Housing units

0.0%

Bachelor's or higher

Age distribution

Male Female

15–19

20–24

25–34

35–44

45–54

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	114	100.0%
65 and over	0	0.0%
Median age	30.5 years

Race & ethnicity

White 98.3%

Hispanic or Latino 0.9%

Two or more races 0.9%

Group	Count	%
White	113	98.3%
Hispanic or Latino	1	0.9%
Two or more races	1	0.9%

Household income

Housing

Home values

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	0.0%
Renter occupied	0.0%
Vacant	100.0%
Single-family detached	84.6%
Large apartment buildings	0.0%
Mobile homes	15.4%
Median rooms	1.7
Avg household size (owned)	0.00

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	10.8%
1990–1999	0.0%
1980–1989	12.3%
1970–1979	0.0%
1960–1969	61.5%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	15.4%

Bedrooms

Size	% of units
No bedroom (studio)	44.6%
1 bedroom	35.4%
2 bedrooms	0.0%
3 bedrooms	9.2%
4 bedrooms	10.8%
5+ bedrooms	0.0%

Vehicles per household

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

Heating fuel

Fuel type	%

Households & families

Household type	Count	%
Married-couple family	0	0.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	0	0.0%
Households with children under 18	0	0.0%
Households with seniors (65+)	0	0.0%
Average household size	0.00

Marital status

Status	Male	Female
Never married	53.5%	0.0%
Married	45.6%	0.0%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.9%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 9.2%

HS graduate 28.4%

Some college, no degree 11.9%

Associate's degree 50.5%

Bachelor's degree 0.0%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	90.8%
Bachelor's or higher	0.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Public administration 49.1%

Agriculture & mining 28.7%

Professional & management 22.2%

Occupation

Category	%
Management, business & arts	77.8%
Service	22.2%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	50.9%
Government	49.1%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	10.5%
Carpool	3.5%
Public transit	0.0%
Walk	76.3%
Work from home	9.6%
Other means	0.0%
Avg commute (minutes)	6.1

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	0.0%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	0.0%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	0.0%
Heart disease	0.0%
Stroke	0.0%
Asthma	0.0%
Arthritis	0.0%
Kidney disease	0.0%
Pulmonary disease	0.0%
Cancer	0.0%

Behavior / access	%
Smoking	0.0%
Binge drinking	0.0%
No physical activity	0.0%
Less than 7 hrs sleep	0.0%
Depression	0.0%
Fair or poor health	0.0%
Poor mental health	0.0%
Poor physical health	0.0%
No health insurance	0.0%
Visited doctor (checkup)	0.0%
Visited dentist	0.0%
Cholesterol screening	0.0%
Teeth loss	0.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	0.0%
Under 18	0.0%
18–64 years	0.0%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	89.7%
Public insurance	0.0%
No insurance	10.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	114	100.0%
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)	114	100.0%
Born in same state	114	100.0%
Born in different state	67	58.8%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	1	0.9%

Ancestry	Count	%
Arab	1	0.9%

Technology access

Metric	% of households
Computer access	0.0%
Internet access	0.0%

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

Frequently asked questions about ZIP code 99635

What city is ZIP code 99635 in?

ZIP code 99635 is primarily assigned to Nikiski, Alaska.

What county is ZIP code 99635 in?

ZIP code 99635 falls within Kenai Peninsula County, Alaska.

What is the population of ZIP code 99635?

ZIP code 99635 has an estimated population of 114 residents.

What timezone is ZIP code 99635 in?

ZIP code 99635 observes the AKST timezone.