Postal Codes

99003 ZIP Code

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ZIP code 99003 covers Chattaroy, Washington, with a population of about 4,634 and a median household income of $71,624.

Population
4,63461 per square mile
Median age
50.111.4 points above the US average
Median household income
$71,62425% below the Washington median
Poverty rate
9.5%2.9 points below the US average
Typical home value
$603,397up 11.2% in five years
Median rent
$85049% below the Washington median
Degree or higher
20.1%14.9 points below the US average
Homeownership
85.3%20.3 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
95

Where 99003 is

Chattaroy, 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

Population4,634
Median age50.1
Family households75.8%
Born outside the US2.4%
Speaks a language other than English at home3%
White (non-Hispanic)80.5%
Black (non-Hispanic)1.1%
Asian (non-Hispanic)1.7%
Hispanic or Latino5.3%
Veterans14%
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$71,624
Income per person$40,975
Poverty rate9.5%
Households on SNAP or cash assistance11.4%

Household income distribution

Under $10k3.2%
$10–15k0.0%
$15–20k0.7%
$20–25k2.7%
$25–30k2.5%
$30–35k3.7%
$35–40k4.0%
$40–45k8.4%
$45–50k0.5%
$50–60k9.9%
$60–75k21.8%
$75–100k10.5%
$100–125k6.6%
$125–150k5.8%
$150–200k11.3%
$200k or more8.4%

Income as declared to the IRS

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

Tax returns filed2,660
Mean adjusted gross income$87,089
Returns declaring $200,000 or more7.5%
Returns, under $25k22.9%
Returns, $25k–$50k21.4%
Returns, $50k–$75k13.9%
Returns, $75k–$100k12.8%
Returns, $100k–$200k21.4%
Returns, $200k or more7.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$410,800
Median gross rent$850
Rent as a share of household income12.8%
Owner-occupied85.3%
Vacant homes15.3%
Median year built1983

What the homes are

Detached house60.6%
Attached house2.3%
Mobile home36.2%
Boat, RV or van0.9%
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$603,397as of 2026-07
Typical home value, 1 yearup 0.5%
Typical home value, 5 yearsup 11.2%
Typical home value, 10 yearsup 119%
Typical home value since 2000
200020132026$618,978$149,848

$149,848 in 2000 to $603,397 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.3%
Bachelor's degree or higher20.1%
High school diploma or higher95.8%
Works from home8%
Drives to work alone84.8%
Takes public transport0%
Commutes 45 minutes or more26.1%
Health

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

Obesity35.5% 2.1 pts above the national average of 33.4%
Diagnosed diabetes12.4% same as the national average of 12%
Currently smokes12.5% 0.7 pts below the national average of 13.2%
High blood pressure36.8% 2.7 pts above the national average of 34.1%
Fair or poor general health18.7% 1.6 pts below the national average of 20.3%
No health insurance (18–64)6.2% 5.1 pts below the national average of 11.3%
Depression25.6% 3.7 pts above the national average of 21.9%
No leisure-time physical activity20.1% 5.3 pts below the national average of 25.4%
Arthritis32.5% 7.4 pts above the national average of 25.1%
Binge drinking15.4% 0.6 pts below the national average of 16%
Taking blood pressure medication74.8% same as the national average of 74.7%
Cancer (non-skin)10.7% 3 pts above the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease7.6% 1.4 pts above the national average of 6.2%
Routine check-up in past year76.4% same as the national average of 76.7%
Cholesterol screening87.1% 1.2 pts above the national average of 85.9%
Cognitive disability13.8% 1 pts below the national average of 14.8%
Colorectal screening70.4% 6.1 pts above the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist65.3% 4 pts above the national average of 61.3%
Any disability30.6% same as the national average of 30.7%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol39.8% 3.6 pts above the national average of 36.2%
Independent living disability7.8% 0.6 pts below the national average of 8.4%
Mammography use76.7% 0.8 pts above the national average of 75.9%
Poor mental health (14+ days)16.1% 0.7 pts below the national average of 16.8%
Mobility disability14.2% same as the national average of 14%
Poor physical health (14+ days)14.6% 1.1 pts above the national average of 13.5%
Self-care disability4% same as the national average of 4%
Sleeps under 7 hours32% 4.4 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost8.7% 4.3 pts below the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments95
People employed383
Annual payroll$15,325,000
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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 33.6% of US census tracts
FEMA ratingVery Low to Relatively Low across the 5 census tracts this ZIP code covers
Expected annual loss40.7 out of 100
Community resilience66.6 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.

Wildfire88.8Relatively Moderate at its worst in this ZIP code
Landslide76.7Relatively Low at its worst in this ZIP code
Ice storm75.3Relatively Moderate at its worst in this ZIP code
Cold wave75Relatively High at its worst in this ZIP code
Drought69.6Very Low at its worst in this ZIP code
River flooding59.2Relatively Moderate at its worst in this ZIP code
Winter weather59.2Relatively Moderate at its worst in this ZIP code
Heat wave57.2Relatively Moderate at its worst in this ZIP code
Strong wind51.7Relatively Moderate at its worst in this ZIP code
Hail40Relatively Low at its worst in this ZIP code
Earthquake34Relatively Low at its worst in this ZIP code
Tornado19.5Very Low at its worst in this ZIP code
Lightning18Relatively 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$71,624$94,952$78,538
Income per person$40,975$51,493$43,289
Poverty rate9.5%9.9%12.4%
Median home value$410,800$519,800$303,400
Median gross rent$850$1,682$1,348
Homeownership85.3%63.9%65%
Bachelor's degree or higher20.1%38.8%35%
Unemployment rate2.3%5%5.2%
Works from home8%17.7%13.5%
Born outside the US2.4%15.1%13.9%
Median age50.138.238.7
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 stationDEER PARK AP, WA US11.8 km away
Rain in a year23 in

Average high and low by month

January33.9°F / 21.1°F2.89 in rain
February38.8°F / 21.6°F1.63 in rain
March48.5°F / 26.6°F2.27 in rain
April57.5°F / 31.9°F1.91 in rain
May67.4°F / 39.2°F1.92 in rain
June73.1°F / 44°F1.91 in rain
July84.2°F / 48.4°F0.61 in rain
August84.2°F / 46.8°F0.73 in rain
September74°F / 39.9°F0.82 in rain
October57.5°F / 31.7°F2 in rain
November41.9°F / 26.4°F2.77 in rain
December33.1°F / 21.3°F3.06 in rain
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.

Riverside School District83.2% of this ZIP code's land area
Mead School District16.8% 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 status33more vulnerable than 33% of US census tracts
Household characteristics23more vulnerable than 23% of US census tracts
Racial and ethnic minority status16more vulnerable than 16% of US census tracts
Housing type and transport41more vulnerable than 41% of US census tracts
Walkability3.2 out of 20Least walkable
Nearby ZIP codes

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

99005 Colbert, WA10.7 km away
99009 Elk, WA11.3 km away
99021 Mead, WA14.1 km away
99006 Deer Park, WA14.3 km away
99217 Spokane, WA20.3 km away
99218 Spokane, WA20.4 km away
99110 Clayton, WA22.1 km away
99208 Spokane, WA22.9 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.

Spokane County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area76.23 sq mi
Water area0.07 sq mi
Population density61 people per sq mi
Latitude, longitude47.9192, -117.2921

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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