Postal Codes

99161 ZIP Code

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ZIP code 99161 covers Palouse, Washington, with a population of about 1,478 and a median household income of $90,750.

Population
1,47819 per square mile
Median age
45.87.1 points above the US average
Median household income
$90,750about the Washington median
Poverty rate
2.5%9.9 points below the US average
Typical home value
$361,372up 26.9% in five years
Median rent
$93345% below the Washington median
Degree or higher
47.8%12.8 points above the US average
Homeownership
83.1%18.1 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
24

Where 99161 is

Palouse, 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

Population1,478
Median age45.8
Family households69.2%
Born outside the US4.1%
Speaks a language other than English at home6.4%
White (non-Hispanic)83.8%
Black (non-Hispanic)0%
Asian (non-Hispanic)1.6%
Hispanic or Latino4.6%
Veterans10.7%
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$90,750
Income per person$41,245
Poverty rate2.5%
Households on SNAP or cash assistance6.9%

Household income distribution

Under $10k3.2%
$10–15k1.7%
$15–20k2.4%
$20–25k3.6%
$25–30k3.9%
$30–35k2.2%
$35–40k0.8%
$40–45k3.0%
$45–50k2.9%
$50–60k8.0%
$60–75k7.4%
$75–100k16.8%
$100–125k10.7%
$125–150k10.0%
$150–200k17.1%
$200k or more6.4%

Income as declared to the IRS

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

Tax returns filed710
Mean adjusted gross income$77,269
Returns declaring $200,000 or more5.6%
Returns, under $25k19.7%
Returns, $25k–$50k22.5%
Returns, $50k–$75k19.7%
Returns, $75k–$100k11.3%
Returns, $100k–$200k21.1%
Returns, $200k or more5.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$285,800
Median gross rent$933
Rent as a share of household income27.9%
Owner-occupied83.1%
Vacant homes9.2%
Median year built1950

What the homes are

Detached house83.3%
Attached house0.6%
2 to 4 units3.8%
5 to 19 units1.4%
Mobile home9.4%
Boat, RV or van1.5%
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$361,372as of 2026-07
Typical home value, 1 yearup 3.2%
Typical home value, 5 yearsup 26.9%
Typical home value, 10 yearsup 73.8%
Typical home value since 2000
200620162026$361,372$159,845

$203,592 in 2006 to $361,372 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.1%
Bachelor's degree or higher47.8%
High school diploma or higher98.9%
Works from home13.1%
Drives to work alone69.3%
Takes public transport0%
Commutes 45 minutes or more5.1%
Health

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

Obesity30.7% 2.7 pts below the national average of 33.4%
Diagnosed diabetes10.2% 1.8 pts below the national average of 12%
Currently smokes10.5% 2.7 pts below the national average of 13.2%
High blood pressure34% same as the national average of 34.1%
Fair or poor general health15.3% 5 pts below the national average of 20.3%
No health insurance (18–64)5.7% 5.6 pts below the national average of 11.3%
Depression25.5% 3.6 pts above the national average of 21.9%
No leisure-time physical activity15.9% 9.5 pts below the national average of 25.4%
Arthritis30% 4.9 pts above the national average of 25.1%
Binge drinking15.6% same as the national average of 16%
Taking blood pressure medication77.1% 2.4 pts above the national average of 74.7%
Cancer (non-skin)11.3% 3.6 pts above the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year74.5% 2.2 pts below the national average of 76.7%
Cholesterol screening87.2% 1.3 pts above the national average of 85.9%
Cognitive disability12.8% 2 pts below the national average of 14.8%
Colorectal screening72% 7.7 pts above the national average of 64.3%
COPD6.3% same as the national average of 6.6%
Visited a dentist73.5% 12.2 pts above the national average of 61.3%
Any disability28.9% 1.8 pts below the national average of 30.7%
Hearing disability7.9% 1.2 pts above the national average of 6.7%
High cholesterol37.3% 1.1 pts above the national average of 36.2%
Independent living disability7.1% 1.3 pts below the national average of 8.4%
Mammography use78.2% 2.3 pts above the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability12.4% 1.6 pts below the national average of 14%
Poor physical health (14+ days)13.6% same as the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Sleeps under 7 hours27% 9.4 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost6.7% 6.3 pts below the national average of 13%
Vision disability3.8% 1.8 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments24
People employed73
Annual payroll$3,270,000
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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 59.5% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss60.7 out of 100
Community resilience39.5 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.

Landslide97.2Relatively Moderate at its worst in this ZIP code
River flooding84.2Relatively High at its worst in this ZIP code
Cold wave81.9Relatively High at its worst in this ZIP code
Hail80.1Relatively Moderate at its worst in this ZIP code
Drought79.2Relatively Low at its worst in this ZIP code
Ice storm75Relatively Moderate at its worst in this ZIP code
Wildfire73.4Relatively Low at its worst in this ZIP code
Heat wave62.8Relatively Moderate at its worst in this ZIP code
Earthquake62Relatively Low at its worst in this ZIP code
Strong wind53.6Relatively Low at its worst in this ZIP code
Winter weather52.4Relatively Moderate at its worst in this ZIP code
Avalanche34.5Very Low at its worst in this ZIP code
Tornado17.4Very Low at its worst in this ZIP code
Lightning13Very 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$90,750$94,952$78,538
Income per person$41,245$51,493$43,289
Poverty rate2.5%9.9%12.4%
Median home value$285,800$519,800$303,400
Median gross rent$933$1,682$1,348
Homeownership83.1%63.9%65%
Bachelor's degree or higher47.8%38.8%35%
Unemployment rate1.1%5%5.2%
Works from home13.1%17.7%13.5%
Born outside the US4.1%15.1%13.9%
Median age45.838.238.7
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 stationPULLMAN 2 NW, WA US18.1 km away
Rain in a year20 in
Snow in a year33 in

Average high and low by month

January37.7°F / 25.6°F2.67 in rain, 9.6 in snow
February42°F / 27°F1.94 in rain, 4.8 in snow
March49.5°F / 31.1°F2.05 in rain, 2.5 in snow
April57.1°F / 35.4°F1.96 in rain, 0.7 in snow
May66.4°F / 41.9°F1.81 in rain, 0.1 in snow
June72.6°F / 46.4°F1.22 in rain
July84.1°F / 50.3°F0.44 in rain
August85.3°F / 50.2°F0.48 in rain
September75.8°F / 44.3°F0.65 in rain
October60.7°F / 36.3°F1.8 in rain, 0.1 in snow
November45.5°F / 30.6°F2.62 in rain, 4.6 in snow
December36.9°F / 25.1°F2.77 in rain, 10.3 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 supermarketNone of this ZIP code
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Palouse School District85.7% of this ZIP code's land area
Colfax School District14.2% 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 status11more vulnerable than 11% of US census tracts
Household characteristics42more vulnerable than 42% of US census tracts
Racial and ethnic minority status22more vulnerable than 22% of US census tracts
Housing type and transport63more vulnerable than 63% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

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

83872 Viola, ID10.1 km away
99130 Garfield, WA10.9 km away
83855 Potlatch, ID13.7 km away
99102 Albion, WA18 km away
83857 Princeton, ID19.5 km away
99128 Farmington, WA19.7 km away
99163 Pullman, WA20.3 km away
99104 Belmont, WA20.3 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.

Whitman County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area76.75 sq mi
Population density19 people per sq mi
Latitude, longitude46.9076, -117.0855

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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