Saint Marys, AK 99658 ZIP Code Profile

Related Place Profiles:
Saint Marys, AK

ZIP Code 99658: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saint Marys, AK 99658

Not Acceptable, USPS
St Marys, AK 99658

  • ZIP Code Type: PO BOX
  • Borough: Kusilvak Borough
  • Centroid: Latitude 62.268, Longitude -163.344
  • Time Zone: Alaska Time Zone (UTC -9 hours)
  • Observes DST: Yes
  • Businesses Addresses: 21
  • PO Box Addresses: 211
  • 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

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


99658 ZIP Code Map

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Saint Marys, AK 99658 Data & Demographics (As of July 1, 2017)


Total Population 657
Daytime Population: Workers 132
Daytime Population: Residents 487
Total Daytime Population (TDP) 619
Ratio TDP/Total Population1 0.94
Population in Households 653
Population in Familes 577
Population in Group Qrtrs 4
Population Density2 1
Diversity Index3 14


Median Household Income $42,390
Average Household Income $55,193
Per Capita Income $16,207


Total Housing Units 263 (100%)
Owner Occupied HU 130 (49.4%)
Renter Occupied HU 61 (23.2%)
Vacant Housing Units 72 (27.4%)
Median Home Value $98,485
Average Home Value $148,077


Total Households 191
Average Household Size 3.42
Family Households 148
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 0.89% 0.75%
Households 0.67% 0.72%
Families 0.48% 0.67%
Median Household Income   4.39%
Per Capita Income   2.2%

Saint Marys, AK 99658 - Peer Comparisons by Rank and Percentile

The table below compares 99658 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 # 88 63rd
Population Density # 114 51st
Diversity Index # 202 14th
Median Household Income # 161 31st
Per Capita Income # 171 27th

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

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