Clayton, WA 99110 ZIP Code Profile

Related Place Profiles:
Clayton, WA

ZIP Code 99110: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Clayton, WA 99110

  • ZIP Code Type: STANDARD
  • County: Stevens County
  • Centroid: Latitude 48.012, Longitude -117.526
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

ZIP Code 99110 has segments in 2 Counties (Spokane, Stevens).

  • Businesses Addresses: 41
  • PO Box Addresses: 162
  • Residential Addresses: 485
    • Multi-Family Addresses: 0
    • Single Family Addresses: 485

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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Clayton, WA 99110 Data & Demographics (As of July 1, 2018)


Total Population 1,747
Population in Households 1,747
Population in Familes 1,485
Population in Group Qrtrs 0
Population Density1 55
Diversity Index2 20


Median Household Income $45,630
Average Household Income $62,319
Per Capita Income $20,725


Total Housing Units 637 (100%)
Owner Occupied HU 446 (70.0%)
Renter Occupied HU 135 (21.2%)
Vacant Housing Units 56 ( 8.8%)
Median Home Value $226,613
Average Home Value $261,715


Total Households 581
Average Household Size 3.01
Family Households 426
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 0.28% 0.37%
Households 0.21% 0.34%
Families 0.11% 0.37%
Median Household Income   2.89%
Per Capita Income   3.5%

Clayton, WA 99110 - Peer Comparisons by Rank and Percentile

The table below compares 99110 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 # 374 36th
Population Density # 353 39th
Diversity Index # 506 13th
Median Household Income # 474 19th
Per Capita Income # 531 9th

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

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