99751 ZIP Code — Kobuk, AK
Northwest Arctic County, Alaska
ZIP code 99751 is located in Kobuk, Alaska, within Northwest Arctic County. It covers approximately 15.51 square miles and serves a population of 133 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.
133
population
15.51
sq mi land
Standard
ZIP type
Alaska (AKT)
timezone
99751 ZIP code map
Cities in ZIP code 99751
Below are the cities the US Postal Service accepts for ZIP code 99751. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Kobuk | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 133 |
| Population density | 9 / sq mi |
| State FIPS | 02 |
| County FIPS | 188 |
| Geography | |
|---|---|
| Land area | 15.51 sq mi |
| Water area | 0.51 sq mi |
| Latitude | 67.0589 |
| Longitude | -155.9679 |
| 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 | 59.4% | 40.0% | 29.8% |
| $50k – $100k | 34.4% | 27.5% | 32.4% |
| $100k – $200k | 6.3% | 25.8% | 28.9% |
| Over $200k | 0.0% | 6.6% | 8.8% |
Demographics & statistics
133
Population
9
People per sq mi
18.1
Median age
$36,250
Median household income
$15,865
Per capita income
$131,300
Median home value
$1,125
Median monthly rent
52.8%
Home ownership
34.6%
Poverty rate
6.1%
Unemployment
35
Housing units
1.9%
Bachelor's or higher
Age distribution
Male
Female
8
Under 5
8
13
5–9
13
10
10–14
9
5
15–19
4
6
20–24
5
6
25–34
5
8
35–44
8
8
45–54
8
1
60–64
1
1
65–74
1
3
75–84
2
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 66 | 49.6% |
| 18 and over | 67 | 50.4% |
| 65 and over | 7 | 5.3% |
| Median age | 18.1 years | |
Race & ethnicity
American Indian / Alaska Native
90.2%
Two or more races
6.8%
White
3%
| Group | Count | % |
|---|---|---|
| American Indian / Alaska Native | 120 | 90.2% |
| Two or more races | 9 | 6.8% |
| White | 4 | 3% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 59.4% | 40.0% | 29.8% |
| $50k – $100k | 34.4% | 27.5% | 32.4% |
| $100k – $200k | 6.3% | 25.8% | 28.9% |
| Over $200k | 0.0% | 6.6% | 8.8% |
Under $10k
5.6%
$10k–$15k
2.8%
$15k–$25k
25.0%
$25k–$35k
13.9%
$35k–$50k
13.9%
$50k–$75k
2.8%
$75k–$100k
13.9%
$100k–$150k
11.1%
$150k–$200k
5.6%
$200k+
5.6%
| Range | % of households |
|---|---|
| Under $10k | 5.6% |
| $10k–$15k | 2.8% |
| $15k–$25k | 25.0% |
| $25k–$35k | 13.9% |
| $35k–$50k | 13.9% |
| $50k–$75k | 2.8% |
| $75k–$100k | 13.9% |
| $100k–$150k | 11.1% |
| $150k–$200k | 5.6% |
| $200k+ | 5.6% |
| Median income | $36,250 |
Housing
Home values
Under $50k
26.3%
$50k–$100k
10.5%
$100k–$150k
21.1%
$200k–$300k
15.8%
$300k–$500k
26.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $131,300 |
| Median rent / month | $1,125 |
| Owner occupied | 52.8% |
| Renter occupied | 47.2% |
| Vacant | 30.8% |
| Single-family detached | 98.1% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 3.3 |
| Avg household size (owned) | 5.63 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 3.8% |
| 2000–2009 | 15.4% |
| 1990–1999 | 25.0% |
| 1980–1989 | 25.0% |
| 1970–1979 | 21.2% |
| 1960–1969 | 9.6% |
| 1950–1959 | 0.0% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 0.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 11.5% |
| 1 bedroom | 17.3% |
| 2 bedrooms | 26.9% |
| 3 bedrooms | 19.2% |
| 4 bedrooms | 21.2% |
| 5+ bedrooms | 3.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 100.0% |
| 1 vehicle | 0.0% |
| 2 vehicles | 0.0% |
| 3 or more | 0.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Fuel oil | 58.3% |
| Wood | 41.7% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9 | 25.0% |
| Cohabiting couple | 7 | 19.4% |
| Male householder, no spouse | 11 | 30.6% |
| Female householder, no spouse | 9 | 25.0% |
| Households with children under 18 | 18 | 50.0% |
| Households with seniors (65+) | 7 | 19.4% |
| Average household size | 3.69 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 75.0% | 71.9% |
| Married | 20.0% | 28.1% |
| Separated | 5.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 0.0% | 0.0% |
Education
Less than 9th grade
9.6%
Some HS, no diploma
21.2%
HS graduate
51.9%
Some college, no degree
15.4%
Associate's degree
0.0%
Bachelor's degree
1.9%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 69.2% |
| Bachelor's or higher | 1.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 8 | 15.1% |
| Kindergarten | 2 | 3.8% |
| Elementary school | 36 | 67.9% |
| High school | 7 | 13.2% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Public administration
54.8%
Education & healthcare
22.6%
Agriculture & mining
9.7%
Arts, food & hospitality
6.5%
Transportation & utilities
3.2%
Information
3.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 16.1% |
| Service | 32.3% |
| Sales & office | 22.6% |
| Natural resources & construction | 9.7% |
| Production & transportation | 19.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 16.1% |
| Government | 83.9% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 0.0% |
| Carpool | 10.7% |
| Public transit | 0.0% |
| Walk | 64.3% |
| Work from home | 0.0% |
| Other means | 25.0% |
| Avg commute (minutes) | 11.3 |
Poverty
All people
34.6%
Under 18 years
53.0%
18 and over
16.4%
Married-couple families
33.3%
Female-led households
18.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 0.0% |
| Retirement income | 25.0% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 47.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 41.7% |
| High blood pressure | 32.1% |
| High cholesterol | 25.8% |
| Diabetes | 11.6% |
| Heart disease | 6.4% |
| Stroke | 4.2% |
| Asthma | 13.5% |
| Arthritis | 20.8% |
| Kidney disease | 3.2% |
| Pulmonary disease | 9.1% |
| Cancer | 3.8% |
| Behavior / access | % |
|---|---|
| Smoking | 36.2% |
| Binge drinking | 20.8% |
| No physical activity | 34.3% |
| Less than 7 hrs sleep | 36.0% |
| Depression | 21.3% |
| Fair or poor health | 24.9% |
| Poor mental health | 20.0% |
| Poor physical health | 15.6% |
| No health insurance | 21.2% |
| Visited doctor (checkup) | 61.9% |
| Visited dentist | 39.3% |
| Cholesterol screening | 76.2% |
| Teeth loss | 34.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1 | 1.5% |
| Disability | % |
|---|---|
| Any disability | 7.5% |
| Under 18 | 0.0% |
| 18–64 years | 5.0% |
| 65 and over | 100.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 19.5% |
| Public insurance | 58.6% |
| No insurance | 22.6% |
| Uninsured under 19 | 2.9% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 117 | 88.0% |
| Spanish | 7 | 6.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 2 | 1.7% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 131 | 98.5% |
| Born in same state | 130 | 97.7% |
| Born in different state | 129 | 97.0% |
| Foreign born | 1 | 0.8% |
| Naturalized citizen | 2 | 1.5% |
| Not a US citizen | 2 | 100.0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 27.1% |
| Internet access | 80.6% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99751
What city is ZIP code 99751 in?
ZIP code 99751 is primarily assigned to Kobuk, Alaska.
What county is ZIP code 99751 in?
ZIP code 99751 falls within Northwest Arctic County, Alaska.
Is ZIP code 99751 family-oriented?
50% of residents in ZIP code 99751 are under 18, reflecting a younger, family-oriented community.
What is the poverty rate in ZIP code 99751?
35% of residents in ZIP code 99751 live below the poverty line, above the national average.
What is the typical home value in ZIP code 99751?
The median home value in ZIP code 99751 is $131,300.
What is the median household income in ZIP code 99751?
The median household income in ZIP code 99751 is $36,250, below the national median of ~$75,000.
What timezone is ZIP code 99751 in?
ZIP code 99751 observes the AKST timezone.