Postal Codes

99402 ZIP Code

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ZIP code 99402 covers Asotin, Washington, with a population of about 1,628 and a median household income of $80,428.

Population
1,6285 per square mile
Median age
48.910.2 points above the US average
Median household income
$80,42815% below the Washington median
Poverty rate
7.1%5.3 points below the US average
Typical home value
$410,471up 18.4% in five years
Degree or higher
25.8%9.2 points below the US average
Homeownership
88.8%23.8 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
29

Where 99402 is

Asotin, Washington — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,628
Median age48.9
Family households59.3%
Born outside the US3.2%
Speaks a language other than English at home1.4%
White (non-Hispanic)91.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino3.6%
Veterans10.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$80,428
Income per person$50,476
Poverty rate7.1%
Households on SNAP or cash assistance10.6%

Household income distribution

Under $10k2.2%
$10–15k2.1%
$15–20k0.0%
$20–25k7.5%
$25–30k1.3%
$30–35k7.3%
$35–40k2.2%
$40–45k0.6%
$45–50k0.0%
$50–60k7.9%
$60–75k11.3%
$75–100k22.6%
$100–125k3.5%
$125–150k6.2%
$150–200k11.7%
$200k or more13.5%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed800
Mean adjusted gross income$93,109
Returns declaring $200,000 or more6.2%
Returns, under $25k22.5%
Returns, $25k–$50k22.5%
Returns, $50k–$75k15.0%
Returns, $75k–$100k12.5%
Returns, $100k–$200k21.2%
Returns, $200k or more6.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$295,700
Owner-occupied88.8%
Vacant homes19.2%
Median year built1977

What the homes are

Detached house74.3%
Attached house3%
2 to 4 units1.4%
5 to 19 units1.1%
Mobile home20.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$410,471as of 2026-07
Typical home value, 1 yeardown 0.1%
Typical home value, 5 yearsup 18.4%
Typical home value, 10 yearsup 77.7%
Typical home value since 2000
200920172026$410,817$196,329

$219,073 in 2009 to $410,471 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.8%
Bachelor's degree or higher25.8%
High school diploma or higher84.4%
Works from home17.4%
Drives to work alone74.1%
Takes public transport0%
Commutes 45 minutes or more2.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity32.5% 0.9 pts below the national average of 33.4%
Diagnosed diabetes11.2% 0.8 pts below the national average of 12%
Currently smokes10.4% 2.8 pts below the national average of 13.2%
High blood pressure35.7% 1.6 pts above the national average of 34.1%
Fair or poor general health15.7% 4.6 pts below the national average of 20.3%
No health insurance (18–64)6% 5.3 pts below the national average of 11.3%
Depression24.5% 2.6 pts above the national average of 21.9%
No leisure-time physical activity17.4% 8 pts below the national average of 25.4%
Arthritis32.3% 7.2 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication77.3% 2.6 pts above the national average of 74.7%
Cancer (non-skin)11.7% 4 pts above the national average of 7.7%
Current asthma11.5% 1.1 pts above the national average of 10.4%
Coronary heart disease7.2% 1 pts above the national average of 6.2%
Routine check-up in past year77.5% 0.8 pts above the national average of 76.7%
Cholesterol screening87.6% 1.7 pts above the national average of 85.9%
Cognitive disability12.9% 1.9 pts below the national average of 14.8%
Colorectal screening73% 8.7 pts above the national average of 64.3%
COPD6.7% same as the national average of 6.6%
Visited a dentist70.7% 9.4 pts above the national average of 61.3%
Any disability31.4% 0.7 pts above the national average of 30.7%
Hearing disability8.6% 1.9 pts above the national average of 6.7%
High cholesterol37.9% 1.7 pts above the national average of 36.2%
Independent living disability7.3% 1.1 pts below the national average of 8.4%
Mammography use73.6% 2.3 pts below the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability13.9% same as the national average of 14%
Poor physical health (14+ days)13.5% same as the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Sleeps under 7 hours28.9% 7.5 pts below the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost7.4% 5.6 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments29
People employed100
Annual payroll$4,749,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 66.4% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 2 census tracts this ZIP code covers
Expected annual loss69.6 out of 100
Community resilience18.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire98.4Relatively High at its worst in this ZIP code
Landslide96.4Relatively Moderate at its worst in this ZIP code
River flooding80.4Relatively High at its worst in this ZIP code
Drought73.3Very Low at its worst in this ZIP code
Heat wave68.2Relatively Moderate at its worst in this ZIP code
Avalanche60.6Very Low at its worst in this ZIP code
Winter weather52.5Relatively Moderate at its worst in this ZIP code
Hail43.2Relatively Low at its worst in this ZIP code
Strong wind40.6Relatively Low at its worst in this ZIP code
Cold wave36.2Relatively Low at its worst in this ZIP code
Earthquake30.1Very Low at its worst in this ZIP code
Ice storm27.9Very Low at its worst in this ZIP code
Lightning25.8Relatively Low at its worst in this ZIP code
Tornado13Very Low at its worst in this ZIP code
Compared with Washington and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWashingtonUnited States
Median household income$80,428$94,952$78,538
Income per person$50,476$51,493$43,289
Poverty rate7.1%9.9%12.4%
Median home value$295,700$519,800$303,400
Median gross rent$1,682$1,348
Homeownership88.8%63.9%65%
Bachelor's degree or higher25.8%38.8%35%
Unemployment rate2.8%5%5.2%
Works from home17.4%17.7%13.5%
Born outside the US3.2%15.1%13.9%
Median age48.938.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationLEWISTON NEZ PERCE CO AP, ID US26.8 km away
Rain in a year13 in
Snow in a year13 in

Average high and low by month

January42.1°F / 30.3°F1.13 in rain, 2.7 in snow
February47°F / 31.7°F1.04 in rain, 3.8 in snow
March55.1°F / 35.7°F1.3 in rain, 0.8 in snow
April62.3°F / 40.7°F1.44 in rain
May72°F / 48.1°F1.69 in rain
June79°F / 54°F1.25 in rain
July90.8°F / 60.9°F0.47 in rain
August90.1°F / 60.3°F0.51 in rain
September79.5°F / 52.3°F0.6 in rain
October63°F / 42°F1.08 in rain
November48.7°F / 34.5°F1.23 in rain, 1.3 in snow
December40.8°F / 29.5°F1.13 in rain, 4.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket4% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Asotin-Anatone School District99.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability27more vulnerable than 27% of US census tracts
Socioeconomic status36more vulnerable than 36% of US census tracts
Household characteristics36more vulnerable than 36% of US census tracts
Racial and ethnic minority status11more vulnerable than 11% of US census tracts
Housing type and transport31more vulnerable than 31% of US census tracts
Walkability4.2 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

99401 Anatone, WA6.7 km away
83501 Lewiston, ID27.8 km away
99403 Clarkston, WA29.3 km away
83555 Winchester, ID31.5 km away
83540 Lapwai, ID34.9 km away
83524 Culdesac, ID38.1 km away
83548 Reubens, ID42.4 km away
99179 Uniontown, WA44.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Asotin County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area336.35 sq mi
Water area2.63 sq mi
Population density5 people per sq mi
Latitude, longitude46.1343, -117.0015

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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