99640 ZIP Code — Nondalton, AK
Lake And Peninsula County, Alaska
ZIP code 99640 is located in Nondalton, Alaska, within Lake And Peninsula County. It covers approximately 2,685.59 square miles and serves a population of 68 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.
68
population
2,685.59
sq mi land
Standard
ZIP type
Alaska (AKT)
timezone
99640 ZIP code map
Cities in ZIP code 99640
Below are the cities the US Postal Service accepts for ZIP code 99640. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Nondalton | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 68 |
| Population density | 34 / sq mi |
| State FIPS | 02 |
| County FIPS | 164 |
| Geography | |
|---|---|
| Land area | 2,685.59 sq mi |
| Water area | 64.03 sq mi |
| Latitude | 60.0312 |
| Longitude | -154.5554 |
| 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 | 43.1% | 52.0% | 29.8% |
| $50k – $100k | 43.1% | 32.7% | 32.4% |
| $100k – $200k | 13.7% | 14.2% | 28.9% |
| Over $200k | 0.0% | 1.2% | 8.8% |
Demographics & statistics
68
Population
34
People per sq mi
49.0
Median age
$49,167
Median household income
$27,254
Per capita income
$350,000
Median home value
$0
Median monthly rent
40.6%
Home ownership
1.5%
Poverty rate
43.9%
Unemployment
99
Housing units
21.8%
Bachelor's or higher
Age distribution
Male
Female
1
Under 5
3
0
15–19
1
3
20–24
5
5
25–34
8
4
45–54
7
3
55–59
5
3
60–64
5
5
65–74
9
0
75–84
1
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 5 | 7.4% |
| 18 and over | 63 | 92.6% |
| 65 and over | 15 | 22.1% |
| Median age | 49.0 years | |
Race & ethnicity
American Indian / Alaska Native
77.9%
White
8.8%
Two or more races
8.8%
Black or African American
4.4%
| Group | Count | % |
|---|---|---|
| American Indian / Alaska Native | 53 | 77.9% |
| White | 6 | 8.8% |
| Two or more races | 6 | 8.8% |
| Black or African American | 3 | 4.4% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 43.1% | 52.0% | 29.8% |
| $50k – $100k | 43.1% | 32.7% | 32.4% |
| $100k – $200k | 13.7% | 14.2% | 28.9% |
| Over $200k | 0.0% | 1.2% | 8.8% |
$15k–$25k
3.1%
$25k–$35k
31.3%
$35k–$50k
18.8%
$50k–$75k
28.1%
$75k–$100k
3.1%
$100k–$150k
3.1%
$150k–$200k
12.5%
| Range | % of households |
|---|---|
| $15k–$25k | 3.1% |
| $25k–$35k | 31.3% |
| $35k–$50k | 18.8% |
| $50k–$75k | 28.1% |
| $75k–$100k | 3.1% |
| $100k–$150k | 3.1% |
| $150k–$200k | 12.5% |
| Median income | $49,167 |
Housing
Home values
$100k–$150k
23.1%
$150k–$200k
23.1%
$300k–$500k
53.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $350,000 |
| Median rent / month | $0 |
| Owner occupied | 40.6% |
| Renter occupied | 59.4% |
| Vacant | 72.9% |
| Single-family detached | 94.1% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 2.9 |
| Avg household size (owned) | 2.62 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 5.1% |
| 2000–2009 | 15.3% |
| 1990–1999 | 24.6% |
| 1980–1989 | 11.9% |
| 1970–1979 | 17.8% |
| 1960–1969 | 11.9% |
| 1950–1959 | 11.9% |
| 1940–1949 | 1.7% |
| 1939 or earlier | 0.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 36.4% |
| 1 bedroom | 9.3% |
| 2 bedrooms | 31.4% |
| 3 bedrooms | 16.9% |
| 4 bedrooms | 5.9% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 93.8% |
| 1 vehicle | 6.3% |
| 2 vehicles | 0.0% |
| 3 or more | 0.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 9.4% |
| Fuel oil | 71.9% |
| Wood | 18.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 11 | 34.4% |
| Cohabiting couple | 7 | 21.9% |
| Male householder, no spouse | 7 | 21.9% |
| Female householder, no spouse | 7 | 21.9% |
| Households with children under 18 | 6 | 18.8% |
| Households with seniors (65+) | 10 | 31.3% |
| Average household size | 2.13 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 33.3% | 46.5% |
| Married | 61.9% | 30.2% |
| Separated | 0.0% | 14.0% |
| Widowed | 0.0% | 7.0% |
| Divorced | 4.8% | 2.3% |
Education
Less than 9th grade
1.8%
Some HS, no diploma
3.6%
HS graduate
43.6%
Some college, no degree
23.6%
Associate's degree
5.5%
Bachelor's degree
1.8%
Graduate / professional
20.0%
| Metric | % |
|---|---|
| HS diploma or higher | 94.5% |
| Bachelor's or higher | 21.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 4 | 80.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 1 | 20.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Education & healthcare
82.6%
Transportation & utilities
8.7%
Retail trade
4.3%
Other services
4.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 47.8% |
| Service | 43.5% |
| Sales & office | 4.3% |
| Natural resources & construction | 4.3% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 8.7% |
| Government | 91.3% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 17.4% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 21.7% |
| Work from home | 0.0% |
| Other means | 60.9% |
| Avg commute (minutes) | 5.9 |
Poverty
All people
1.5%
Under 18 years
0.0%
18 and over
1.6%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 18.8% |
| Retirement income | 25.0% |
| Supplemental Security | 9.4% |
| Cash public assistance | 28.1% |
| Food stamps / SNAP | 59.4% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 39.0% |
| High blood pressure | 35.7% |
| High cholesterol | 29.6% |
| Diabetes | 12.6% |
| Heart disease | 7.3% |
| Stroke | 4.3% |
| Asthma | 12.6% |
| Arthritis | 24.5% |
| Kidney disease | 3.3% |
| Pulmonary disease | 8.5% |
| Cancer | 5.2% |
| Behavior / access | % |
|---|---|
| Smoking | 30.2% |
| Binge drinking | 19.5% |
| No physical activity | 27.7% |
| Less than 7 hrs sleep | 36.9% |
| Depression | 19.9% |
| Fair or poor health | 20.8% |
| Poor mental health | 17.1% |
| Poor physical health | 14.5% |
| No health insurance | 16.0% |
| Visited doctor (checkup) | 61.6% |
| Visited dentist | 47.5% |
| Cholesterol screening | 84.1% |
| Teeth loss | 24.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 4 | 6.3% |
| Disability | % |
|---|---|
| Any disability | 11.8% |
| Under 18 | 0.0% |
| 18–64 years | 10.4% |
| 65 and over | 20.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 32.4% |
| Public insurance | 64.7% |
| No insurance | 20.6% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 64 | 94.1% |
| 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) | 68 | 100.0% |
| Born in same state | 68 | 100.0% |
| Born in different state | 58 | 85.3% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 7 | 10.3% |
| French | 4 | 5.9% |
| Ancestry | Count | % |
|---|---|---|
| Arab | 3 | 4.4% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 47.1% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99640
What city is ZIP code 99640 in?
ZIP code 99640 is primarily assigned to Nondalton, Alaska.
What county is ZIP code 99640 in?
ZIP code 99640 falls within Lake And Peninsula County, Alaska.
Is ZIP code 99640 mostly rentals?
59% of occupied units in ZIP code 99640 are renter-occupied.
What is the typical home value in ZIP code 99640?
The median home value in ZIP code 99640 is $350,000.
What is the population of ZIP code 99640?
ZIP code 99640 has an estimated population of 68 residents.
What is the median household income in ZIP code 99640?
The median household income in ZIP code 99640 is $49,167, below the national median of ~$75,000.
What timezone is ZIP code 99640 in?
ZIP code 99640 observes the AKST timezone.