Coffman Cove, AK 99918 ZIP Code Profile

Related Place Profiles:
Coffman Cove, AK

ZIP Code 99918: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Coffman Cove, AK 99918

Acceptable Alternative
Ketchikan, AK 99918

  • ZIP Code Type: PO BOX
  • Borough: Prince Of Wales Hyder Borough
  • Centroid: Latitude 55.358, Longitude -131.699
  • Time Zone: Alaska Time Zone (UTC -9 hours)
  • Observes DST: Yes
  • Businesses Addresses: 37
  • PO Box Addresses: 97
  • 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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99918 ZIP Code Map

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Coffman Cove, AK 99918 Data & Demographics (As of July 1, 2017)


Total Population 193
Daytime Population: Workers 33
Daytime Population: Residents 123
Total Daytime Population (TDP) 156
Ratio TDP/Total Population1 0.81
Population in Households 193
Population in Familes 130
Population in Group Qrtrs 0
Population Density2 19
Diversity Index3 23


Median Household Income $33,259
Average Household Income $46,045
Per Capita Income $22,903


Total Housing Units 179 (100%)
Owner Occupied HU 76 (42.5%)
Renter Occupied HU 20 (11.2%)
Vacant Housing Units 83 (46.4%)
Median Home Value $182,143
Average Home Value $267,434


Total Households 96
Average Household Size 2.01
Family Households 47
Average Family Size 3
  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 1.28% -0.21%
Households 1.05% -0.21%
Families 0.6% -0.43%
Median Household Income   3.09%
Per Capita Income   3.63%

Coffman Cove, AK 99918 - Peer Comparisons by Rank and Percentile

The table below compares 99918 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 # 166 29th
Population Density # 42 82nd
Diversity Index # 169 28th
Median Household Income # 196 16th
Per Capita Income # 125 47th

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

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