Postal Codes

99663 ZIP Code

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ZIP code 99663 covers Seldovia, Alaska, with a population of about 385 and a median household income of $82,045.

Population
3853 per square mile
Median age
56.617.9 points above the US average
Median household income
$82,0458% below the Alaska median
Poverty rate
9.1%3.3 points below the US average
Typical home value
$281,352up 15% in five years
Degree or higher
25.7%9.3 points below the US average
Homeownership
85.8%20.8 points above the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
17

Where 99663 is

Seldovia, Alaska — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population385
Median age56.6
Family households58%
Born outside the US3.6%
Speaks a language other than English at home4.1%
White (non-Hispanic)62.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)1.3%
Hispanic or Latino2.6%
Veterans6.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$82,045
Income per person$44,650
Poverty rate9.1%
Households on SNAP or cash assistance7.4%

Household income distribution

Under $10k0.0%
$10–15k8.5%
$15–20k4.0%
$20–25k1.1%
$25–30k4.5%
$30–35k4.0%
$35–40k0.0%
$40–45k2.3%
$45–50k6.2%
$50–60k2.3%
$60–75k8.0%
$75–100k23.9%
$100–125k11.9%
$125–150k6.8%
$150–200k11.9%
$200k or more4.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$196,500
Owner-occupied85.8%
Vacant homes54.8%
Median year built1987

What the homes are

Detached house90.7%
Attached house2.1%
2 to 4 units3.9%
5 to 19 units2.6%
Mobile home0.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$281,352as of 2026-07
Typical home value, 1 yearup 2%
Typical home value, 5 yearsup 15%
Typical home value, 10 yearsup 46.5%
Typical home value since 2000
201220192026$281,352$175,947

$177,946 in 2012 to $281,352 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.1%
Bachelor's degree or higher25.7%
High school diploma or higher96.2%
Works from home21.3%
Drives to work alone54.8%
Takes public transport2.6%
Commutes 45 minutes or more5.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.4% 3 pts above the national average of 33.4%
Diagnosed diabetes14.3% 2.3 pts above the national average of 12%
Currently smokes21.6% 8.4 pts above the national average of 13.2%
High blood pressure43.9% 9.8 pts above the national average of 34.1%
Fair or poor general health26.3% 6 pts above the national average of 20.3%
No health insurance (18–64)12.2% 0.9 pts above the national average of 11.3%
Depression20.3% 1.6 pts below the national average of 21.9%
No leisure-time physical activity28.5% 3.1 pts above the national average of 25.4%
Arthritis34.1% 9 pts above the national average of 25.1%
Binge drinking13.7% 2.3 pts below the national average of 16%
Taking blood pressure medication76.1% 1.4 pts above the national average of 74.7%
Cancer (non-skin)10.8% 3.1 pts above the national average of 7.7%
Current asthma11.6% 1.2 pts above the national average of 10.4%
Coronary heart disease10.6% 4.4 pts above the national average of 6.2%
Routine check-up in past year69.1% 7.6 pts below the national average of 76.7%
Cholesterol screening81.6% 4.3 pts below the national average of 85.9%
Cognitive disability15.7% 0.9 pts above the national average of 14.8%
Colorectal screening62.7% 1.6 pts below the national average of 64.3%
COPD11.4% 4.8 pts above the national average of 6.6%
Visited a dentist56.7% 4.6 pts below the national average of 61.3%
Any disability38.7% 8 pts above the national average of 30.7%
Lacks emotional support23.1% 1.7 pts below the national average of 24.8%
Food insecurity19.1% 2 pts above the national average of 17.1%
Received food stamps15.9% 1.6 pts above the national average of 14.3%
Hearing disability12.8% 6.1 pts above the national average of 6.7%
High cholesterol42.4% 6.2 pts above the national average of 36.2%
Housing insecurity13.8% same as the national average of 13.8%
Independent living disability10.6% 2.2 pts above the national average of 8.4%
Lacks transport10.7% 1.5 pts above the national average of 9.2%
Loneliness32.1% 2.3 pts below the national average of 34.4%
Mammography use54.9% 21 pts below the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability20.1% 6.1 pts above the national average of 14%
Poor physical health (14+ days)18.7% 5.2 pts above the national average of 13.5%
Self-care disability5.7% 1.7 pts above the national average of 4%
Utility shut-off threat10.2% 1.4 pts above the national average of 8.8%
Sleeps under 7 hours31.6% 4.8 pts below the national average of 36.4%
Stroke5.6% 2.2 pts above the national average of 3.4%
All natural teeth lost15% 2 pts above the national average of 13%
Vision disability7.4% 1.8 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments17
People employed49
Annual payroll$1,986,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 99.9% of US census tracts
FEMA ratingVery High
Expected annual loss99.5 out of 100
Community resilience2.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Avalanche99.7Very High at its worst in this ZIP code
Landslide98.9Relatively Moderate at its worst in this ZIP code
Earthquake94.8Relatively High at its worst in this ZIP code
Tsunami92.7Relatively Moderate at its worst in this ZIP code
Winter weather89.6Relatively High at its worst in this ZIP code
Volcanic activity87.2Relatively Low at its worst in this ZIP code
Wildfire77.9Relatively Low at its worst in this ZIP code
Cold wave18.6Very Low at its worst in this ZIP code
Ice storm6.9Very Low at its worst in this ZIP code
River flooding3.7Very Low at its worst in this ZIP code
Hail0.6Very Low at its worst in this ZIP code
Lightning0.2Very Low at its worst in this ZIP code
Tornado0.2Very Low at its worst in this ZIP code
Compared with Alaska and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPAlaskaUnited States
Median household income$82,045$89,336$78,538
Income per person$44,650$44,928$43,289
Poverty rate9.1%10.2%12.4%
Median home value$196,500$333,300$303,400
Median gross rent$1,388$1,348
Homeownership85.8%66.6%65%
Bachelor's degree or higher25.7%31.2%35%
Unemployment rate4.1%5.8%5.2%
Works from home21.3%8.8%13.5%
Born outside the US3.6%7.8%13.9%
Median age56.635.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSELDOVIA AP, AK US0.7 km away
Rain in a year40 in

Average high and low by month

January30.8°F / 20.8°F3.87 in rain
February33.5°F / 23.3°F3.68 in rain
March35.5°F / 23.5°F3.19 in rain
April43.3°F / 30.6°F2.8 in rain
May51.2°F / 37.3°F1.15 in rain
June58.1°F / 43.7°F1.15 in rain
July61.8°F / 49°F1.58 in rain
August61.5°F / 47.9°F2.71 in rain
September54.7°F / 42.4°F4.09 in rain
October45.4°F / 34.1°F4.6 in rain
November36.1°F / 26.9°F4.83 in rain
December32.9°F / 23.5°F6.74 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket100% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Kenai Peninsula Borough School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability62more vulnerable than 62% of US census tracts
Socioeconomic status33more vulnerable than 33% of US census tracts
Household characteristics52more vulnerable than 52% of US census tracts
Racial and ethnic minority status69more vulnerable than 69% of US census tracts
Housing type and transport88more vulnerable than 88% of US census tracts
Walkability5.3 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

99603 Homer, AK28 km away
99556 Anchor Point, AK43.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Kenai Peninsula Borough100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area114.83 sq mi
Water area5.59 sq mi
Population density3 people per sq mi
Latitude, longitude59.4495, -151.7009

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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