Iliamna, AK · standard

ZIP Code 99606

Lake and Peninsula, Alaska - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

469
1/sq mi Low-density area
$76,250
Median income Near-median income area
$307,400
Median home value Above-median home value
26.9%
Bachelor's or higher Near-average bachelor's attainment

National ZIP placement

Iliamna pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 43%
household income, US ZIPs
Top 32%
home value, US ZIPs
1
people per sq mi
71%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99606 against every reporting US ZIP.

ZIP code 99606 is a sparsely populated ZIP (a standard USPS delivery area) in Iliamna, Lake and Peninsula, Alaska, home to just 469 residents across 521.1 square miles, a density of 1 people per square mile, in the Anchorage time zone.

ZIP 99606 lands in the middle-income range, with a median household income of $76,250 (5% above the average Alaska ZIP), while per-capita income is $34,200. The poverty rate is 15.2%, with unemployment at 8.5%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $307,400 (46% above the average Alaska ZIP), while 71.1% of occupied homes are owner-occupied and median rent is $1,550.

Educational attainment sits below the national norm: 26.9% of adults hold a bachelor's degree or higher, the median age is 33.4, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the Alaska and national benchmarks above are the appropriate context for 99606.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

View your shortlist → Compare ZIPs →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 99606, Iliamna, AK · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

469

Population

521.1

Area (sq mi)

1

People / sq mi

Anchorage

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 99606?

33.4

Median Age

40.3%

Male

59.7%

Female

0.0%

Foreign-Born

White 13.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 59.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 26.8%
Hispanic or Latino 0.4%

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?

$76,250

Median Household Income

+5% vs state ZIP avg

$34,200

Per Capita Income

15.2%

Poverty Rate

8.5%

Unemployment Rate

How ZIP 99606 ranks among Alaska ZIPs

Iliamna, AK household income vs. every Alaska ZIP code

Median household income among 197 reporting Alaska ZIPs (this ZIP's population is too small for a reliable national-corpus placement)

$76,250 Top 39% higher than 61% of 197 Alaska ZIPs

This ZIP $0 $200K+ every Alaska ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more Alaska 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?

High School Graduate or Higher 50.0%
Bachelor's Degree or Higher 26.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

147

Total Housing Units

90

Occupied Units

57

Vacant Units

2.57

Avg Household Size

Occupancy Type

Owner 71.1%
Renter 28.9%

$307,400

Median Home Value

+46% vs state ZIP avg

$1,550

Median Rent

1986

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 16 business establishments in ZIP 99606, employing approximately 48 people with a combined annual payroll of $3,905,000.

16

Businesses

48

Employees

$3.9M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Transportation and warehousing 3 18.8%
Accommodation and food services 3 18.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nationwide ZIPs with similar ACS profiles

Two Census-derived peer sets for ZIP 99606, both outside AK so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).

Similar median household income

Nearest cross-state ZIPs by ACS median household income.

More ZIP Codes in Lake and Peninsula

Frequently Asked Questions

What county is ZIP code 99606 in?

ZIP code 99606 (Iliamna) is located in Lake and Peninsula, Alaska. Lake and Peninsula contains multiple ZIP codes, see the full list at /counties/lake-and-peninsula-ak.

What is the population of ZIP code 99606?

ZIP code 99606 in Iliamna, AK has a population of 469 according to the Census Bureau ACS 2023 estimates.

What is the median household income in ZIP 99606?

The median household income in ZIP 99606 is $76,250, which is 0% below the national average of $76,288.

What is the average home value in ZIP 99606?

The median home value in ZIP 99606 is $307,400, which is 11% above the national average of $278,155.

What is the demographic makeup of ZIP 99606?

The largest racial group in ZIP 99606 is American Indian or Alaska Native at 59.3%. Hispanic or Latino residents make up 0.4% of the population.

How many businesses are in ZIP code 99606?

ZIP code 99606 has 16 business establishments employing approximately 48 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.

What is the education level in ZIP code 99606?

In ZIP code 99606, 50.0% of residents aged 25+ have a high school diploma or higher, and 26.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).

What percentage of residents own vs. rent in ZIP 99606?

In ZIP code 99606, approximately 71.1% of occupied housing units are owner-occupied and 28.9% are renter-occupied, based on Census ACS 2023 data.

What is the poverty rate in ZIP code 99606?

The poverty rate in ZIP code 99606 is 15.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP 99606's figures come from ACS 5-Year Estimates, Census ZIP Code Business Patterns, and the FHFA House Price Index. See our methodology for details.

Related

Compare this ZIP with another

Read our methodology : how this data is sourced, computed, and verified.

Take this with you

What to do with ZIP 99606's numbers, next.

ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.