Soap Lake, WA 98851 ZIP Code Profile

Related Place Profiles:
Adco, WA | Adrian, WA | Lakeview Park, WA | Soap Lake, WA

ZIP Code 98851: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Soap Lake, WA 98851

Not Acceptable, USPS
Adco, WA 98851
Adrian, WA 98851
Lakeview Park, WA 98851

  • ZIP Code Type: STANDARD
  • County: Grant County
  • Centroid: Latitude 47.395, Longitude -119.452
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 55
  • PO Box Addresses: 1,067
  • Residential Addresses: 827
    • Multi-Family Addresses: 0
    • Single Family Addresses: 827

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

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Soap Lake, WA 98851 Data & Demographics (As of July 1, 2018)


Total Population 4,073
Population in Households 4,015
Population in Familes 3,066
Population in Group Qrtrs 58
Population Density1 36
Diversity Index2 45


Median Household Income $38,376
Average Household Income $60,972
Per Capita Income $26,303


Total Housing Units 2,132 (100%)
Owner Occupied HU 1,185 (55.6%)
Renter Occupied HU 555 (26.0%)
Vacant Housing Units 392 (18.4%)
Median Home Value $131,025
Average Home Value $157,194


Total Households 1,740
Average Household Size 2.31
Family Households 1,027
Average Family Size 3
  1. Population Density = Total Population per square mile.
  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 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 0.45% 0.43%
Households 0.34% 0.33%
Families 0.23% 0.29%
Median Household Income   2.99%
Per Capita Income   3.76%

Soap Lake, WA 98851 - Peer Comparisons by Rank and Percentile

The table below compares 98851 to the other 581 ZIP Codes in Washington by rank and percentile using July 1, 2018 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 # 309 47th
Population Density # 382 34th
Diversity Index # 230 61st
Median Household Income # 548 6th
Per Capita Income # 411 29th

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

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