PlainZIP

Iliamna, AK · standard

ZIP Code 99606

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

469
1/sq mi
$76,250
Median income
$307,400
Median home value
26.9%
Bachelor's or higher

The verdict

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 County, 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 Alaska average), while per-capita income is $34,200. The poverty rate stands at 15.2% and the unemployment rate at 8.5%. The typical home here is valued at $307,400 (46% above the state average); renters pay a median of $1,550 monthly, and 71.1% of units are owner-occupied.

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 -. Compare these figures to the Alaska and national benchmarks above rather than reading 99606's numbers in isolation.

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 →

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

$34,200

Per Capita Income

15.2%

Poverty Rate

8.5%

Unemployment Rate

How ZIP 99606 ranks nationally

Iliamna, AK household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$76,250 Top 43% higher than 57% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

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

$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.

More ZIP Codes in Lake and Peninsula County

99640 standard
Nondalton, AK
Pop: 174
99653 standard
Port Alsworth, AK
Pop: 159
99648 standard
Perryville, AK
Pop: 113
99579 standard
Egegik, AK
Pop: 109
99549 standard
Port Heiden, AK
Pop: 102
99564 standard
Chignik, AK
Pop: 91

Related Areas

Lake and Peninsula County Iliamna, AK Alaska

Frequently Asked Questions

What county is ZIP code 99606 in? ▼
ZIP code 99606 (Iliamna) is located in Lake and Peninsula County, Alaska. Lake and Peninsula County 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.

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