Postal Codes

99022 ZIP Code

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ZIP code 99022 covers Medical Lake, Washington, with a population of about 9,398 and a median household income of $90,814.

Population
9,398138 per square mile
Median age
41.32.6 points above the US average
Median household income
$90,814about the Washington median
Poverty rate
7%5.4 points below the US average
Typical home value
$437,711up 13% in five years
Median rent
$83850% below the Washington median
Degree or higher
31.4%3.6 points below the US average
Homeownership
80.5%15.5 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
96

Where 99022 is

Medical Lake, 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

Population9,398
Median age41.3
Family households72.1%
Born outside the US4.6%
Speaks a language other than English at home7.2%
White (non-Hispanic)87.5%
Black (non-Hispanic)2.2%
Asian (non-Hispanic)0.9%
Hispanic or Latino6.9%
Veterans15.9%
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$90,814
Income per person$36,020
Poverty rate7%
Households on SNAP or cash assistance10.4%

Household income distribution

Under $10k0.5%
$10–15k4.3%
$15–20k3.8%
$20–25k1.0%
$25–30k3.3%
$30–35k1.6%
$35–40k2.5%
$40–45k3.8%
$45–50k2.3%
$50–60k3.5%
$60–75k14.7%
$75–100k15.8%
$100–125k16.2%
$125–150k13.6%
$150–200k9.3%
$200k or more3.9%

Income as declared to the IRS

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

Tax returns filed4,180
Mean adjusted gross income$72,581
Returns declaring $200,000 or more3.8%
Returns, under $25k20.8%
Returns, $25k–$50k25.1%
Returns, $50k–$75k18.2%
Returns, $75k–$100k12.2%
Returns, $100k–$200k19.9%
Returns, $200k or more3.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$345,600
Median gross rent$838
Rent as a share of household income18.4%
Owner-occupied80.5%
Vacant homes2.7%
Median year built1981

What the homes are

Detached house71.8%
Attached house2.4%
2 to 4 units4.3%
5 to 19 units2.4%
20 or more units7.3%
Mobile home11.7%
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$437,711as of 2026-07
Typical home value, 1 yearup 1.6%
Typical home value, 5 yearsup 13%
Typical home value, 10 yearsup 117.8%
Typical asking rent$1,452as of 2026-07
Typical home value since 2000
200020132026$446,492$139,561

$139,561 in 2000 to $437,711 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.6%
Bachelor's degree or higher31.4%
High school diploma or higher95.8%
Works from home11.5%
Drives to work alone74.6%
Takes public transport3.7%
Commutes 45 minutes or more6.7%
Health

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

Obesity34.6% 1.2 pts above the national average of 33.4%
Diagnosed diabetes10.5% 1.5 pts below the national average of 12%
Currently smokes11.5% 1.7 pts below the national average of 13.2%
High blood pressure32.1% 2 pts below the national average of 34.1%
Fair or poor general health17.1% 3.2 pts below the national average of 20.3%
No health insurance (18–64)6.3% 5 pts below the national average of 11.3%
Depression26.1% 4.2 pts above the national average of 21.9%
No leisure-time physical activity18.4% 7 pts below the national average of 25.4%
Arthritis27.9% 2.8 pts above the national average of 25.1%
Binge drinking17.3% 1.3 pts above the national average of 16%
Taking blood pressure medication71.2% 3.5 pts below the national average of 74.7%
Cancer (non-skin)9% 1.3 pts above the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease6.1% same as the national average of 6.2%
Routine check-up in past year74% 2.7 pts below the national average of 76.7%
Cholesterol screening85% 0.9 pts below the national average of 85.9%
Cognitive disability14% 0.8 pts below the national average of 14.8%
Colorectal screening67.9% 3.6 pts above the national average of 64.3%
COPD6.1% 0.5 pts below the national average of 6.6%
Visited a dentist69% 7.7 pts above the national average of 61.3%
Any disability28.3% 2.4 pts below the national average of 30.7%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol36.1% same as the national average of 36.2%
Independent living disability7.4% 1 pts below the national average of 8.4%
Mammography use77.1% 1.2 pts above the national average of 75.9%
Poor mental health (14+ days)16.8% same as the national average of 16.8%
Mobility disability12.1% 1.9 pts below the national average of 14%
Poor physical health (14+ days)13.3% same as the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Sleeps under 7 hours32% 4.4 pts below the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost9.4% 3.6 pts below the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments96
People employed1,360
Annual payroll$110,334,000
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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 55.8% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 5 census tracts this ZIP code covers
Expected annual loss57.1 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.

Wildfire98Relatively High at its worst in this ZIP code
Ice storm88.7Relatively High at its worst in this ZIP code
Cold wave83.8Relatively High at its worst in this ZIP code
Drought72Very Low at its worst in this ZIP code
Heat wave70.4Relatively High at its worst in this ZIP code
Strong wind62.7Relatively Moderate at its worst in this ZIP code
Winter weather61.5Relatively Moderate at its worst in this ZIP code
Landslide56.8Very Low at its worst in this ZIP code
River flooding52.2Relatively Moderate at its worst in this ZIP code
Hail44.8Relatively Low at its worst in this ZIP code
Earthquake42.8Relatively Low at its worst in this ZIP code
Tornado25.8Relatively Low at its worst in this ZIP code
Lightning21.4Relatively 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$90,814$94,952$78,538
Income per person$36,020$51,493$43,289
Poverty rate7%9.9%12.4%
Median home value$345,600$519,800$303,400
Median gross rent$838$1,682$1,348
Homeownership80.5%63.9%65%
Bachelor's degree or higher31.4%38.8%35%
Unemployment rate4.6%5%5.2%
Works from home11.5%17.7%13.5%
Born outside the US4.6%15.1%13.9%
Median age41.338.238.7
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 stationSPOKANE WFO, WA US9.4 km away
Rain in a year17 in
Snow in a year48 in

Average high and low by month

January33.4°F / 22.6°F2.01 in rain, 13 in snow
February38.5°F / 24°F1.42 in rain, 6.8 in snow
March48.2°F / 29.1°F1.84 in rain, 4.6 in snow
April56.8°F / 34°F1.46 in rain, 1.3 in snow
May66°F / 41.3°F1.57 in rain, 0.3 in snow
June72.3°F / 46.5°F1.42 in rain
July83.4°F / 51.8°F0.5 in rain
August83.3°F / 51°F0.42 in rain
September73.4°F / 42.9°F0.61 in rain, 0.1 in snow
October56.9°F / 33.6°F1.51 in rain, 0.5 in snow
November41.4°F / 27.4°F2.2 in rain, 6.1 in snow
December32.4°F / 22°F2.44 in rain, 15.5 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 3 school districts, so the address decides which one, not the ZIP code.

Medical Lake School District63.8% of this ZIP code's land area
Reardan-Edwall School District23.9% of this ZIP code's land area
Cheney School District12.3% 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 vulnerability46more vulnerable than 46% of US census tracts
Socioeconomic status34more vulnerable than 34% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status20more vulnerable than 20% of US census tracts
Housing type and transport68more vulnerable than 68% of US census tracts
Walkability5 out of 20Least walkable
Nearby ZIP codes

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

99011 Fairchild Air Force Base, WA4.2 km away
99001 Airway Heights, WA9 km away
99014 Four Lakes, WA10.2 km away
99224 Spokane, WA11.5 km away
99029 Reardan, WA15.8 km away
99004 Cheney, WA16.2 km away
99020 Marshall, WA16.3 km away
99008 Edwall, WA17.5 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 area68.34 sq mi
Water area1.85 sq mi
Population density138 people per sq mi
Latitude, longitude47.6150, -117.7040

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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