Olga, WA 98279 ZIP Code Profile

Related Place Profiles:
Olga, WA

ZIP Code 98279: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Olga, WA 98279

Not Acceptable, USPS
Doebay, WA 98279

  • ZIP Code Type: STANDARD
  • County: San Juan County
  • Centroid: Latitude 48.659, Longitude -122.827
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 35
  • PO Box Addresses: 166
  • Residential Addresses: 276
    • Multi-Family Addresses: 0
    • Single Family Addresses: 276

The ZIP Code maps and database are updated 4 times per year.
Database updated: July 1, 2020, Maps updated: May 1, 2020.


Olga, WA 98279 Data & Demographics (As of July 1, 2020)


Total Population 681 (100%)
Population in Households 677 (99.4%)
Population in Families 480 (70.5%)
Population in Group Quarters1 4 ( 0.6%)
Population Density 36
Diversity Index2 23


Median Household Income $61,164
Average Household Income $98,587
% of Income for Mortgage4 39%
Per Capita Income $52,846
Wealth Index5 158


Total HU (Housing Units) 744 (100%)
Owner Occupied HU 283 (38.0%)
Renter Occupied HU 82 (11.0%)
Vacant Housing Units 379 (50.9%)
Median Home Value $563,920
Average Home Value $656,272
Housing Affordability Index3 70


Total Households 365
Average Household Size 1.85
Family Households 204
Average Family Size 2
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 1.21% 1.18%
Households 1.26% 1.18%
Families 1.23% 1.15%
Median Household Income   1.8%
Per Capita Income   2.12%
Owner Occupied HU   1.24%

Olga, WA 98279 - Peer Comparisons by Rank and Percentile

The table below compares 98279 to the other 588 ZIP Codes in Washington by rank and percentile using July 1, 2020 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 # 459 22nd
Population Density # 393 33rd
Median Household Income # 292 51st
Housing Affordability Index # 61 10th
Per Capita Income # 63 89th
Diversity Index # 482 18th

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

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