Postal Codes

99101 ZIP Code

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ZIP code 99101 covers Addy, Washington, with a population of about 1,544 and a median household income of $72,500.

Population
1,54416 per square mile
Median age
48.39.6 points above the US average
Median household income
$72,50024% below the Washington median
Poverty rate
15.2%2.8 points above the US average
Typical home value
$375,628up 22% in five years
Median rent
$69659% below the Washington median
Degree or higher
22.5%12.5 points below the US average
Homeownership
90.5%25.5 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
23

Where 99101 is

Addy, 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

Population1,544
Median age48.3
Family households61%
Born outside the US2.1%
Speaks a language other than English at home2%
White (non-Hispanic)88.8%
Black (non-Hispanic)0.3%
Asian (non-Hispanic)0.3%
Hispanic or Latino5.8%
Veterans9.6%
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$72,500
Income per person$37,112
Poverty rate15.2%
Households on SNAP or cash assistance14.7%

Household income distribution

Under $10k2.3%
$10–15k3.3%
$15–20k2.7%
$20–25k5.5%
$25–30k9.3%
$30–35k0.3%
$35–40k7.0%
$40–45k5.5%
$45–50k3.2%
$50–60k2.2%
$60–75k10.7%
$75–100k8.8%
$100–125k10.3%
$125–150k9.3%
$150–200k3.3%
$200k or more16.2%

Income as declared to the IRS

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

Tax returns filed640
Mean adjusted gross income$60,869
Returns declaring $200,000 or more4.7%
Returns, under $25k31.2%
Returns, $25k–$50k26.6%
Returns, $50k–$75k17.2%
Returns, $75k–$100k7.8%
Returns, $100k–$200k12.5%
Returns, $200k or more4.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$347,900
Median gross rent$696
Rent as a share of household income29.6%
Owner-occupied90.5%
Vacant homes21.6%
Median year built1994

What the homes are

Detached house70.6%
Mobile home28.9%
Boat, RV or van0.5%
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$375,628as of 2026-07
Typical home value, 1 yearup 3.3%
Typical home value, 5 yearsup 22%
Typical home value, 10 yearsup 113.2%
Typical home value since 2000
200020132026$375,628$105,634

$105,634 in 2000 to $375,628 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.1%
Bachelor's degree or higher22.5%
High school diploma or higher97.3%
Works from home14.8%
Drives to work alone81.2%
Takes public transport0.3%
Commutes 45 minutes or more18.9%
Health

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

Obesity33% same as the national average of 33.4%
Diagnosed diabetes12.4% same as the national average of 12%
Currently smokes12.6% 0.6 pts below the national average of 13.2%
High blood pressure38% 3.9 pts above the national average of 34.1%
Fair or poor general health18.9% 1.4 pts below the national average of 20.3%
No health insurance (18–64)6.6% 4.7 pts below the national average of 11.3%
Depression23.6% 1.7 pts above the national average of 21.9%
No leisure-time physical activity20% 5.4 pts below the national average of 25.4%
Arthritis35.4% 10.3 pts above the national average of 25.1%
Binge drinking15.2% 0.8 pts below the national average of 16%
Taking blood pressure medication76.4% 1.7 pts above the national average of 74.7%
Cancer (non-skin)11.9% 4.2 pts above the national average of 7.7%
Current asthma11.8% 1.4 pts above the national average of 10.4%
Coronary heart disease8.9% 2.7 pts above the national average of 6.2%
Routine check-up in past year73.9% 2.8 pts below the national average of 76.7%
Cholesterol screening85.7% same as the national average of 85.9%
Cognitive disability14.1% 0.7 pts below the national average of 14.8%
Colorectal screening66.8% 2.5 pts above the national average of 64.3%
COPD8.2% 1.6 pts above the national average of 6.6%
Visited a dentist61.2% same as the national average of 61.3%
Any disability33.7% 3 pts above the national average of 30.7%
Hearing disability9.9% 3.2 pts above the national average of 6.7%
High cholesterol39% 2.8 pts above the national average of 36.2%
Independent living disability8.4% same as the national average of 8.4%
Mammography use65% 10.9 pts below the national average of 75.9%
Poor mental health (14+ days)15.2% 1.6 pts below the national average of 16.8%
Mobility disability16.3% 2.3 pts above the national average of 14%
Poor physical health (14+ days)15.4% 1.9 pts above the national average of 13.5%
Self-care disability4.2% same as the national average of 4%
Sleeps under 7 hours31% 5.4 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost10.9% 2.1 pts below the national average of 13%
Vision disability5% 0.6 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments23
People employed89
Annual payroll$4,447,000
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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 53.9% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 3 census tracts this ZIP code covers
Expected annual loss49 out of 100
Community resilience29.5 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.

Landslide98.7Relatively Moderate at its worst in this ZIP code
Wildfire97.9Relatively High at its worst in this ZIP code
Drought70.5Very Low at its worst in this ZIP code
Winter weather68.8Relatively Moderate at its worst in this ZIP code
Cold wave67.9Relatively High at its worst in this ZIP code
River flooding65.5Relatively High at its worst in this ZIP code
Heat wave46.6Relatively Moderate at its worst in this ZIP code
Earthquake28.7Very Low at its worst in this ZIP code
Avalanche27.8Very Low at its worst in this ZIP code
Hail27.3Very Low at its worst in this ZIP code
Strong wind25.6Relatively Low at its worst in this ZIP code
Ice storm21.7Very Low at its worst in this ZIP code
Tornado14.3Very Low at its worst in this ZIP code
Lightning12.1Very 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$72,500$94,952$78,538
Income per person$37,112$51,493$43,289
Poverty rate15.2%9.9%12.4%
Median home value$347,900$519,800$303,400
Median gross rent$696$1,682$1,348
Homeownership90.5%63.9%65%
Bachelor's degree or higher22.5%38.8%35%
Unemployment rate2.1%5%5.2%
Works from home14.8%17.7%13.5%
Born outside the US2.1%15.1%13.9%
Median age48.338.238.7
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 stationCHEWELAH, WA US17.5 km away
Rain in a year21 in

Average high and low by month

January32.9°F / 20.3°F2.22 in rain
February39.8°F / 21.3°F1.85 in rain
March50.1°F / 26.8°F2.21 in rain
April60.2°F / 32.8°F1.86 in rain
May70°F / 40.4°F2.03 in rain
June75.7°F / 45.5°F2.05 in rain
July86.1°F / 48.8°F0.99 in rain
August86.3°F / 46.6°F0.72 in rain
September76°F / 39°F0.95 in rain
October59.3°F / 30.7°F1.78 in rain
November42.1°F / 26.1°F2.37 in rain
December33°F / 20.6°F2.33 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 supermarket39% of this ZIP code's area
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 4 school districts, so the address decides which one, not the ZIP code.

Summit Valley School District56.8% of this ZIP code's land area
Chewelah School District36.3% of this ZIP code's land area
Colville School District4.1% of this ZIP code's land area
Evergreen School District (Stevens)2.4% 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 vulnerability35more vulnerable than 35% of US census tracts
Socioeconomic status42more vulnerable than 42% of US census tracts
Household characteristics26more vulnerable than 26% of US census tracts
Racial and ethnic minority status17more vulnerable than 17% of US census tracts
Housing type and transport49more vulnerable than 49% of US census tracts
Walkability3.8 out of 20Least walkable
Nearby ZIP codes

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

99131 Gifford, WA13.8 km away
99109 Chewelah, WA14.5 km away
99167 Rice, WA14.6 km away
99181 Valley, WA26.7 km away
99137 Hunters, WA26.8 km away
99114 Colville, WA27.7 km away
99138 Inchelium, WA29.8 km away
99141 Kettle Falls, WA34.1 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.

Stevens County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area95.37 sq mi
Water area0.09 sq mi
Population density16 people per sq mi
Latitude, longitude48.3364, -117.9579

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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