ZIP code 99403: Clarkston, WA
99403 is a ZIP code in Clarkston, Washington, mainly in Asotin County, part of the Lewiston, ID-WA metro area. About 20,760 people live here.
- Population
- 20,760
- Median household income
- $71,482
- Typical home value
- $343,400+2.3% in 12 months
- Median rent
- $1,036gross, per month
- Median age
- 45.7
- Homeowners
- 72.2%of occupied homes
Shaded: ZIP code 99403's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 99403 details
| City | Clarkston |
|---|---|
| State | Washington |
| County | Asotin County (also partly Garfield County) |
| Metro area | Lewiston, ID-WA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 143.5 sq mi, plus 1.4 sq mi of water |
| Population density | 145 people per sq mi |
| Bachelor's degree or higher | 25% of adults 25+ |
| Average commute | 15 minutes |
| Center coordinates | 46.37554, -117.29030 |
Median rent in 99403 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $683/mo |
| 1 bedroom | $750/mo |
| 2 bedrooms | $985/mo |
| 3 bedrooms | $1,210/mo |
| 4 bedrooms | $1,497/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 99403
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 99402 | Asotin, WA | 11.1 mi | 1,557 |
| 99179 | Uniontown, WA | 11.4 mi | 645 |
| 99347 | Pomeroy, WA | 13.9 mi | 2,512 |
| 99113 | Colton, WA | 15.1 mi | 560 |
| 83501 | Lewiston, ID | 19.4 mi | 37,520 |
| 99401 | Anatone, WA | 20.0 mi | 163 |
| 83832 | Genesee, ID | 21.9 mi | 1,961 |
| 83540 | Lapwai, ID | 24.3 mi | 2,096 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 99403?
A typical home in ZIP code 99403 is worth about $343,400 (Zillow Home Value Index). The median household here earns $71,482 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.
Monthly payment for a $343,400 homeWhat can a $71,482 income afford?Rental property numbers
About ZIP code 99403
What city is ZIP code 99403?
ZIP code 99403 is in Clarkston, WA, in Asotin County.
What county is ZIP code 99403 in?
99403 is mainly in Asotin County, Washington, and partly in Garfield County.
What is the population of ZIP code 99403?
About 20,760 people live in ZIP code 99403, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 99403 in?
99403 is in Pacific Time (UTC−8). It observes daylight saving time.