99658 ZIP Code — Saint Marys, AK

Kusilvak County, Alaska

ZIP code 99658 is located in Saint Marys, Alaska, within Kusilvak County. It covers approximately 42.88 square miles and serves a population of 1,231 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.

About ZIP code 99658

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 $111,000. Owner-occupancy sits near the national average at 75%.

Median household income is $46,250. Poverty affects 31% of residents, above the national average. SNAP benefit usage at 55% of households reflects economic stress in the area.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 6 minutes is near the national average.

College attainment at 4% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (17%), smoking (43%) compared to national benchmarks. 25% of residents lack health insurance, above the national average.

Overall, ZIP code 99658 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

1,231
population
42.88
sq mi land
Standard
ZIP type
Alaska (AKT)
timezone
99658 ZIP code map
Cities in ZIP code 99658

Below are the cities the US Postal Service accepts for ZIP code 99658. Using any city not on this list may result in mail delivery delays.

City Status
Saint Marys Acceptable
Demographics updated 06/2026
Population
Total population 1,231
Population density 29 / sq mi
State FIPS 02
County FIPS 158
Geography
Land area 42.88 sq mi
Water area 0.12 sq mi
Latitude 62.2706
Longitude -163.3002
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 58.9% 66.1% 29.8%
$50k – $100k 29.4% 23.1% 32.4%
$100k – $200k 8.1% 9.7% 28.9%
Over $200k 3.6% 1.1% 8.8%

Demographics & statistics

1,231
Population
29
People per sq mi
24.4
Median age
$46,250
Median household income
$16,093
Per capita income
$111,000
Median home value
$931
Median monthly rent
74.9%
Home ownership
30.6%
Poverty rate
22.1%
Unemployment
287
Housing units
3.5%
Bachelor's or higher

Age distribution

Male Female
78
Under 5
73
49
5–9
45
83
10–14
77
55
15–19
52
66
20–24
61
93
25–34
87
55
35–44
52
64
45–54
60
32
55–59
29
20
60–64
19
27
65–74
25
10
75–84
10
5
85+
4
← Male
Female →

Age summary

GroupCount%
Under 1847438.5%
18 and over75761.5%
65 and over816.6%
Median age24.4 years

Race & ethnicity

American Indian / Alaska Native 93.7%
Two or more races 4.2%
White 1.3%
Native Hawaiian / Pacific Islander 0.8%
GroupCount%
American Indian / Alaska Native1,15393.7%
Two or more races524.2%
White161.3%
Native Hawaiian / Pacific Islander100.8%

Household income

Income range This ZIP County avg State avg
Under $50k 58.9% 66.1% 29.8%
$50k – $100k 29.4% 23.1% 32.4%
$100k – $200k 8.1% 9.7% 28.9%
Over $200k 3.6% 1.1% 8.8%
Under $10k 6.9%
$10k–$15k 5.3%
$15k–$25k 8.2%
$25k–$35k 15.4%
$35k–$50k 16.0%
$50k–$75k 18.5%
$75k–$100k 11.3%
$100k–$150k 13.5%
$150k–$200k 0.9%
$200k+ 4.1%
Range% of households
Under $10k6.9%
$10k–$15k5.3%
$15k–$25k8.2%
$25k–$35k15.4%
$35k–$50k16.0%
$50k–$75k18.5%
$75k–$100k11.3%
$100k–$150k13.5%
$150k–$200k0.9%
$200k+4.1%
Median income$46,250

Housing

Home values

Under $50k 24.7%
$50k–$100k 19.2%
$100k–$150k 13.8%
$150k–$200k 19.7%
$200k–$300k 6.3%
$300k–$500k 16.3%

Housing overview

MetricValue
Median home value$111,000
Median rent / month$931
Owner occupied74.9%
Renter occupied25.1%
Vacant13.1%
Single-family detached91.0%
Large apartment buildings0.0%
Mobile homes3.0%
Median rooms4.1
Avg household size (owned)3.79

Year built

Era%
2020 or later0.0%
2010–20194.6%
2000–200914.4%
1990–199916.9%
1980–198925.1%
1970–197933.0%
1960–19692.7%
1950–19593.3%
1940–19490.0%
1939 or earlier0.0%

Bedrooms

Size% of units
No bedroom (studio)4.9%
1 bedroom12.8%
2 bedrooms23.2%
3 bedrooms43.9%
4 bedrooms13.9%
5+ bedrooms1.4%

Vehicles per household

Vehicles% of households
No vehicle62.7%
1 vehicle32.3%
2 vehicles3.1%
3 or more1.9%

Heating fuel

Fuel type%
Fuel oil72.4%
Wood27.6%

Households & families

Household typeCount%
Married-couple family12639.5%
Cohabiting couple5717.9%
Male householder, no spouse6821.3%
Female householder, no spouse6821.3%
Households with children under 1821065.8%
Households with seniors (65+)6420.1%
Average household size3.86

Marital status

StatusMaleFemale
Never married59.4%50.1%
Married29.9%30.9%
Separated2.9%4.4%
Widowed2.3%9.4%
Divorced5.4%5.2%

Education

Less than 9th grade 3.7%
Some HS, no diploma 7.3%
HS graduate 62.3%
Some college, no degree 17.9%
Associate's degree 5.2%
Bachelor's degree 3.4%
Graduate / professional 0.2%
Metric%
HS diploma or higher89.0%
Bachelor's or higher3.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool266.8%
Kindergarten143.6%
Elementary school23761.7%
High school8020.8%
College / grad school277.0%

Employment

Industry of employment

Education & healthcare 39.3%
Public administration 20.7%
Retail trade 12.4%
Transportation & utilities 11.6%
Arts, food & hospitality 5.4%
Other services 4.4%
Construction 3.6%
Agriculture & mining 1.0%
Wholesale trade 0.8%
Professional & management 0.8%

Occupation

Category%
Management, business & arts37.2%
Service17.6%
Sales & office18.6%
Natural resources & construction10.6%
Production & transportation16.0%

Employment type

Type%
Private sector50.9%
Government45.2%
Self-employed3.9%
Unpaid family workers0.0%

Commute

Method%
Drive alone15.2%
Carpool7.5%
Public transit0.0%
Walk33.1%
Work from home6.1%
Other means38.1%
Avg commute (minutes)6.4

Poverty

All people 30.6%
Under 18 years 34.6%
18 and over 28.1%
Married-couple families 17.5%
Female-led households 25.3%

Income support

Source% of households
Social Security25.4%
Retirement income12.2%
Supplemental Security2.8%
Cash public assistance9.4%
Food stamps / SNAP55.2%

Health indicators

Condition%
Obesity43.1%
High blood pressure41.6%
High cholesterol29.3%
Diabetes17.4%
Heart disease9.5%
Stroke6.4%
Asthma14.2%
Arthritis27.0%
Kidney disease4.6%
Pulmonary disease12.7%
Cancer4.8%
Behavior / access%
Smoking42.9%
Binge drinking17.3%
No physical activity39.7%
Less than 7 hrs sleep39.7%
Depression21.8%
Fair or poor health33.3%
Poor mental health20.6%
Poor physical health20.6%
No health insurance22.3%
Visited doctor (checkup)61.9%
Visited dentist34.2%
Cholesterol screening79.9%
Teeth loss40.5%

Veterans & disability

VeteransCount%
Civilian veterans273.6%
Disability%
Any disability10.3%
Under 180.8%
18–64 years11.3%
65 and over56.8%

Health insurance coverage

Type%
Private insurance10.7%
Public insurance69.7%
No insurance24.9%
Uninsured under 1919.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,08087.7%
Spanish40.4%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,22899.8%
Born in same state1,22599.5%
Born in different state1,18296.0%
Foreign born30.2%
Naturalized citizen30.2%
Not a US citizen00.0%

Ancestry

AncestryCount%
English121%
Italian30.2%
AncestryCount%
Polish20.2%
French10.1%

Technology access

Metric% of households
Computer access25.9%
Internet access86.2%

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

Frequently asked questions about ZIP code 99658

What city is ZIP code 99658 in?

ZIP code 99658 is primarily assigned to Saint Marys, Alaska.

What county is ZIP code 99658 in?

ZIP code 99658 falls within Kusilvak County, Alaska.

Is ZIP code 99658 family-oriented?

39% of residents in ZIP code 99658 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 99658?

31% of residents in ZIP code 99658 live below the poverty line, above the national average.

How educated is the population of ZIP code 99658?

4% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the typical home value in ZIP code 99658?

The median home value in ZIP code 99658 is $111,000.

What timezone is ZIP code 99658 in?

ZIP code 99658 observes the AKST timezone.

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