Inchelium, WA 99138 ZIP Code Profile

Related Place Profiles:
Inchelium, WA | Kewa, WA

ZIP Code 99138: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Inchelium, WA 99138

Not Acceptable, USPS
Kewa, WA 99138

  • ZIP Code Type: STANDARD
  • County: Ferry County
  • Centroid: Latitude 48.288, Longitude -118.526
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 28
  • PO Box Addresses: 362
  • Residential Addresses: 210
    • Multi-Family Addresses: 0
    • Single Family Addresses: 210

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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Inchelium, WA 99138 Data & Demographics (As of July 1, 2018)


Total Population 1,355
Population in Households 1,355
Population in Familes 1,071
Population in Group Qrtrs 0
Population Density1 2
Diversity Index2 56


Median Household Income $45,695
Average Household Income $57,376
Per Capita Income $21,892


Total Housing Units 831 (100%)
Owner Occupied HU 334 (40.2%)
Renter Occupied HU 183 (22.0%)
Vacant Housing Units 314 (37.8%)
Median Home Value $130,435
Average Home Value $170,734


Total Households 517
Average Household Size 2.62
Family Households 349
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 -0.56% -0.49%
Households -0.5% -0.51%
Families -0.57% -0.52%
Median Household Income   2.43%
Per Capita Income   1.99%

Inchelium, WA 99138 - Peer Comparisons by Rank and Percentile

The table below compares 99138 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 # 396 32nd
Population Density # 554 5th
Diversity Index # 151 75th
Median Household Income # 472 19th
Per Capita Income # 523 10th

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

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Compare Washington July 1, 2018 Data
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