US ZIP Code
99643

Old Harbor, AK

Kodiak Island County  ·  Alaska

● Active
👥 186 Population ↓ 19% since 2019
💰 $31,250 Median HH Income
▼ 59% below avg ↓ 14% since 2019
🎂 33.0 Median Age ↑ 2% since 2019
🏠 $95,000 Median Home Value
▼ 66% below avg ↑ 10% since 2019
🎓 13.3% College Grads
▼ 66% below avg
📊 29.3% Unemployment
▲ 499% above avg ↑ 86% since 2019
ZIP Code Details
ZIP Code99643
CityOld Harbor
StateAlaska (AK)
CountyKodiak Island County
Area Code907
Latitude57.218798
Longitude-153.329674
TimezoneAnchorage (DST)
FIPS02150
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 56.5% (105) Female 43.6% (81) ♀

Race & Ethnicity

White: 7%Other: 22.6%Race
White7.0%
Other22.6%

Age Breakdown

Under 5
11%
5–17
18%
18–24
18%
25–44
16%
45–64
27%
65+
4%

Key Indicators

Median Age33.0 yrs ↑ 2% since 2019
Avg Household Size2.04
Below Poverty55.4% ▲ 454% above avg
College Grads13.3% ▼ 66% below avg
Unemployment29.3% ▲ 499% above avg
HS Graduate50 (55.6%)
Some College15 (16.7%)
Associates13 (14.4%)
Bachelors6 (6.7%)
Graduate Degree6 (6.7%)

Education

HS Grad: 55.6%Some College: 16.7%Associates: 14.4%Bachelors: 6.7%Graduate: 6.7%Edu
HS Grad55.6%
Some College16.7%
Associates14.4%
Bachelors6.7%
Graduate6.7%
Housing & Income

Housing Tenure

Owner: 65.9%Renter: 34.1%Tenure
Owner65.9%
Renter34.1%

Home Value Distribution

Under $50k
20%
$50k–100k
30%
$100k–150k
13%
$150k–200k
18%
$200k–300k
2%
$300k–500k
17%

Financials

Median HH Income$31,250 ▼ 59% below avg ↓ 14% since 2019
Median Home Value$95,000 ▼ 66% below avg ↑ 10% since 2019
Home/Income Ratio3.0x (nat avg ~3.5x)
Median Rent$863/mo ↓ 7% since 2019
Total Units153
Vacant Units62
Avg HH Size2.04

Income Distribution

Under $25k
45%
$25k–50k
27%
$50k–75k
13%
$75k–100k
1%
$100k–150k
3%
$150k–200k
10%
Employment & Commute

How People Get to Work

Drove Alone
63%
Walked
20%
Work From Home
17%

Commute Time

Under 15 min
100%
Housing Stock

Year Built

1940s–1950s
8%
1960s–1970s
39%
1980s–1990s
3%
2000+
50%

Summary

Total Units153
Vacant62
Owner Occupied65.9%
Renter Occupied34.1%
Avg HH Size2.04
Frequently Asked Questions
ZIP code 99643 is in Old Harbor, AK, in Kodiak Island County.
ZIP code 99643 is located in Alaska (AK).
ZIP code 99643 is in Kodiak Island County, AK.
ZIP 99643 observes the Anchorage timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 99643 is 186 people (ACS 2023).
The median household income in ZIP code 99643 is $31,250 (ACS 2023).
The median home value in ZIP 99643 is $95,000 (ACS 2023).
About ZIP Code 99643

ZIP code 99643 is located in Old Harbor, Alaska, within Kodiak Island County. With a population of 186, this is a sparsely populated ZIP code with a relatively young community — the median age is 33 years. Economically, 99643 is a lower-income ZIP code: the median household income of $31,250 is well below the national average.

Real estate in ZIP code 99643 represents one of the more affordable housing markets in the country. The median home value of $95,000 is well below the national average. Renters can expect to pay around $863 per month in median rent. Homeownership is strong here — 65.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 10% since 2019.

The population of 99643 is racially diverse, with White as the largest group at 7.0%. Residents are less-educated — 13.3% hold a bachelor's degree or higher, which is well below the national average. Poverty affects a significant share of residents at 55.4%. Household income has declined by 14% since 2019.

The unemployment rate in 99643 stands at 29.3%, which is more than double the national average. As in most parts of the country, driving alone is the dominant commute mode at 40%.

Overall, ZIP code 99643 in Old Harbor, AK is characterized as lower-income, less-educated, a relatively young community, and predominantly owner-occupied. With 186 residents, a median household income of $31,250, and a median home value of $95,000, it offers a clear picture of life in this part of Alaska.