ZIP code 99402: Asotin, WA
99402 is a ZIP code in Asotin, Washington, mainly in Asotin County, part of the Lewiston, ID-WA metro area. About 1,557 people live here.
- Population
- 1,557
- Median household income
- $78,906
- Typical home value
- $396,600-0.8% in 12 months
- Median rent
- $1,157gross, per month
- Median age
- 51.2
- Homeowners
- 83.3%of occupied homes
Shaded: ZIP code 99402's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 99402 details
| City | Asotin |
|---|---|
| State | Washington |
| County | Asotin County |
| Metro area | Lewiston, ID-WA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 336.4 sq mi, plus 2.6 sq mi of water |
| Population density | 5 people per sq mi |
| Bachelor's degree or higher | 22.9% of adults 25+ |
| Average commute | 19.6 minutes |
| Center coordinates | 46.22114, -117.35126 |
Median rent in 99402 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $833/mo |
| 3 bedrooms | $1,238/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 99402
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 99401 | Anatone, WA | 10.4 mi | 163 |
| 99403 | Clarkston, WA | 11.1 mi | 20,760 |
| 99347 | Pomeroy, WA | 17.6 mi | 2,512 |
| 83501 | Lewiston, ID | 20.5 mi | 37,520 |
| 99179 | Uniontown, WA | 21.8 mi | 645 |
| 99328 | Dayton, WA | 25.1 mi | 3,646 |
| 99113 | Colton, WA | 26.2 mi | 560 |
| 83540 | Lapwai, ID | 28.5 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 99402?
A typical home in ZIP code 99402 is worth about $396,600 (Zillow Home Value Index). The median household here earns $78,906 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.
Monthly payment for a $396,600 homeWhat can a $78,906 income afford?Rental property numbers
About ZIP code 99402
What city is ZIP code 99402?
ZIP code 99402 is in Asotin, WA, in Asotin County.
What county is ZIP code 99402 in?
99402 is mainly in Asotin County, Washington.
What is the population of ZIP code 99402?
About 1,557 people live in ZIP code 99402, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 99402 in?
99402 is in Pacific Time (UTC−8). It observes daylight saving time.