Clarkston, WA 99403 ZIP Code Profile

Related Place Profiles:
Clarkston, WA

ZIP Code 99403: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Clarkston, WA 99403

  • ZIP Code Type: STANDARD
  • County: Asotin County
  • Centroid: Latitude 46.398, Longitude -117.067
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

ZIP Code 99403 has segments in 2 Counties (Asotin, Garfield).

  • Businesses Addresses: 612
  • PO Box Addresses: 459
  • Residential Addresses: 8,436
    • Multi-Family Addresses: 328
    • Single Family Addresses: 8,108

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.


99403 ZIP Code Map

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Clarkston, WA 99403 Data & Demographics (As of July 1, 2017)


Total Population 19,726
Daytime Population: Workers 6,386
Daytime Population: Residents 11,470
Total Daytime Population (TDP) 17,856
Ratio TDP/Total Population1 0.91
Population in Households 19,552
Population in Familes 15,025
Population in Group Qrtrs 174
Population Density2 113
Diversity Index3 21


Median Household Income $48,636
Average Household Income $65,141
Per Capita Income $28,246


Total Housing Units 8,970 (100%)
Owner Occupied HU 5,487 (61.2%)
Renter Occupied HU 2,975 (33.2%)
Vacant Housing Units 508 ( 5.7%)
Median Home Value $181,544
Average Home Value $211,504


Total Households 8,462
Average Household Size 2.31
Family Households 5,316
Average Family Size 3
  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 0.11% 0.12%
Households 0.1% 0.11%
Families 0.01% 0.06%
Median Household Income   1.43%
Per Capita Income   2.6%

Clarkston, WA 99403 - Peer Comparisons by Rank and Percentile

The table below compares 99403 to the other 585 ZIP Codes in Washington 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 # 168 71st
Population Density # 308 48th
Diversity Index # 479 18th
Median Household Income # 397 32nd
Per Capita Income # 308 48th

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

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