Zip Code 99403 Map and Profile

Official Zip Code NameClarkston
Zip Code StateWashington
Zip Code TypeNon-Unique
Primary County: Asotin
Secondary County: Garfield
Area Code509
Current Population:19548
Racial Majority: 92.14%
Public School Racial Majority:White 86.5%
Unemployment Rate:4.3%
Median Household Income$41339
Average Adjusted Gross Income$61510
School Test Performance:Below Average
Average Commute Time16.8 Minutes
Time Zone:Pacific Daylight Time
Elevation Range787 - 5725 ft.
Area355 Sqm.
Coordinates(Y,X)46.23858000, -117.30501100

Zip Code 99403 Description

Zip Code 99403 is located in the state of Washington in the Spokane metro area. Zip code 99403 is primarily located in Asotin County. Portions of 99403 are also located in Garfield County. The official US Postal Service name for 99403 is CLARKSTON, Washington. Portions of zip code 99403 are contained within or border the city limits of Clarkston Heights-Vineland, WA, West Clarkston-Highland, WA, Clarkston, WA, Asotin, WA, and Lewiston, ID. The area code for zip code 99403 is 509. 99403 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in Washington.

The current unemployment level in 99403 is 4.3% which is lower than the current county unemployment level of 4.7% and is lower than the current state unemployment at 6.4% and lower than the current national unemployment rate at 6.0%.

According the 2010 US Census, the population of 99403 increased to 19548 from 18621 over the past 10 years. The majority ethnicity residing in 99403 is while the majority ethnicity attending 99403 public schools is White. 60.4% of students in 99403 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 18322 92.14% 18076 +1%
 Black Or African American 116 0.58% 77 +51%
 Hispanic 711 3.58% 604 +18%
 American Indian Or Alaskan Native 230 1.16% 245 -6%
 Asian 158 0.79% 107 +48%
 Native Hawaiian & Other Pacific Islander 7 0.04% 24 -71%
 Other Race 11 0% 11 -100%
 Two Or More Races 404 1.72% 404 -15%

Zip Code 99403 Race/Ethnicity

 White 86.5%
 Black Or African American 1%
 Hispanic 6.5%
 Asian 0.9%
 Hawaii/Pacific Islander 0%
 American Indian Or Alaskan Native 1.7%
 Two or More Races 3.3%

Zip Code 99403 Public School Race/Ethnicity Profile

Total Population1954818621
Male Population48.30%
Female Population51.70%
Total Households8392
Test Score PerformanceBelow Average
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$41339
Income Under $50K Per Year59.50%
Income $50K to $100K Per Year28.90%
Income Above $100K Per Year11.60%
99403 US Congressional District
DistrictRepresentativeParty Affiliation
Washington District 5Cathy McMorris RodgersRepublican
Washington District 1Suzan DelBeneDemocrat
Related Maps: Map of All Washington Congressional Districts

Average Real Estate Asking Price$203247
Average Real Estate Sale Price$191895
Current Unemployment Level 4.3%
Previous Month Unemployment Level4.0%
Unemployment Level 1 Year Ago3.7%
2012 Hardiness ZoneZone 7b: 5F to 10F
1990 Hardiness ZoneZone 6b: -5F to 0F
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
Ecoregion 10f - Dissected Loess Uplands
Average First Frost DatesOctober 11 - 20
Average Last Frost DatesApril 11 - 20

Zip Code 99403 Annual Climate Data

Avg Min Temp (°F)28313540465358585041342842
Avg Max Temp (°F)39455361697787877662463962
Avg Precip (In.)1.13.841.
Core Based Statistical
Area (CBSA)
Lewiston, ID-WA
CBSA Type99403
CBSA Population60979
Time ZonePacific Daylight Time
IANA Time ZoneAmerica/Los_Angeles
Follows DSTYes
GMT Difference-8 Hours