Iliamna, AK 99606 ZIP Code Profile

Related Place Profiles:
Iliamna, AK | Kokhanok, AK

ZIP Code 99606: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Iliamna, AK 99606

Acceptable Alternative
Kokhanok, AK 99606

Not Acceptable, USPS
Kokhonak, AK 99606

  • ZIP Code Type: PO BOX
  • Borough: Lake And Peninsula Borough
  • Centroid: Latitude 59.613, Longitude -155.276
  • Time Zone: Alaska Time Zone (UTC -9 hours)
  • Observes DST: Yes
  • Businesses Addresses: 30
  • PO Box Addresses: 149
  • Residential Addresses: 1
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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99606 ZIP Code Map

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Iliamna, AK 99606 Data & Demographics (As of July 1, 2017)


Total Population 362
Daytime Population: Workers 188
Daytime Population: Residents 168
Total Daytime Population (TDP) 356
Ratio TDP/Total Population1 0.98
Population in Households 337
Population in Familes 279
Population in Group Qrtrs 25
Population Density2 0
Diversity Index3 62


Median Household Income $45,004
Average Household Income $56,551
Per Capita Income $17,074


Total Housing Units 277 (100%)
Owner Occupied HU 57 (20.6%)
Renter Occupied HU 40 (14.4%)
Vacant Housing Units 180 (65.0%)
Median Home Value $218,750
Average Home Value $239,035


Total Households 97
Average Household Size 3.47
Family Households 68
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.38% -0.56%
Households -0.42% -0.63%
Families -0.59% -0.6%
Median Household Income   2.88%
Per Capita Income   2.25%

Iliamna, AK 99606 - Peer Comparisons by Rank and Percentile

The table below compares 99606 to the other 232 ZIP Codes in Alaska by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 131 44th
Population Density # 181 21st
Diversity Index # 42 82nd
Median Household Income # 146 38th
Per Capita Income # 165 29th

Additional comparisons and rankings can be made with a VERY EASY TO USE Alaska Census Data Comparison Tool.

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