Old Harbor, AK · standard
ZIP Code 99643
Kodiak Island County, Alaska — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 218
- 4/sq mi
- $30,000
- Median income
- 10.1%
- Bachelor's or higher
The verdict
Old Harbor pairs one of the lowest household incomes in the country, in a rural, homeowner-dominated area.
- 2th pct
- household income, US ZIPs
- 4
- people per sq mi
- 67%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99643 against every reporting US ZIP.
ZIP code 99643 is classified by USPS as a standard delivery area and covers roughly 51.9 square miles in Old Harbor, Kodiak Island County, Alaska. The area is home to 218 residents, producing a population density of 4 people per square mile, and falls within the Anchorage time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 99643 against Alaska and the nation.
On the economic side, the median household income for ZIP 99643 sits at $30,000 (59% below the Alaska average), while per-capita income is $21,038. The poverty rate stands at 56.2% and the unemployment rate at 26.8%. On housing, the median home value is — with median rent at — per month, and 67.4% of occupied units are owner-occupied, a direct signal of whether 99643 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 10.1% of adults hold a bachelor's degree or higher, the median age is 34.2, and the average commute is —. Use the benchmarks above to see where 99643 sits relative to Alaska and the national baseline rather than viewing the numbers in isolation. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 99643, Old Harbor, AK · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
218
Population
51.9
Area (sq mi)
4
People / sq mi
Anchorage
Time Zone
standard
ZIP Type
Who lives in ZIP 99643?
34.2
Median Age
54.3%
Male
45.7%
Female
1.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$30,000
Median Household Income
-59% vs state
$21,038
Per Capita Income
56.2%
Poverty Rate
26.8%
Unemployment Rate
How ZIP 99643 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$30,000 2nd percentile higher than 2% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
153
Total Housing Units
86
Occupied Units
67
Vacant Units
1.88
Avg Household Size
Occupancy Type
1975
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 6 business establishments in ZIP 99643, employing approximately 12 people with a combined annual payroll of $937,000.
6
Businesses
12
Employees
$937K
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
More ZIP Codes in Kodiak Island County
Related Areas
Frequently Asked Questions
What county is ZIP code 99643 in? ▼
What is the population of ZIP code 99643? ▼
What is the median household income in ZIP 99643? ▼
What is the demographic makeup of ZIP 99643? ▼
How many businesses are in ZIP code 99643? ▼
What is the education level in ZIP code 99643? ▼
What percentage of residents own vs. rent in ZIP 99643? ▼
What is the poverty rate in ZIP code 99643? ▼
ZIP Code Research Guides
Official Data Resources for Old Harbor, AK
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.