Medical Lake is a city in Spokane County, Washington, home to about 4,950 people across 3.4 square miles. Its ZIP code is 99022.
Homes sold for a median of $245 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Medical Lake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Medical Lake’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Spokane International Airport (GEG)8 miles away |
|---|---|
| Nearest city of 250,000+ | Seattle, WA216 miles away |
Straight-line distances from the center of Medical Lake; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Medical Lake had 4,874 residents in the 2020 census, up 30% since 2000.
It’s the 197th largest of 628 towns in Washington by population.
Spokane County grew from 57,542 residents in 1900 to 539,339 in 2020.
Spokane County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 22°F. About 17.3 inches of rain and melted snow fall in a typical year, with about 48 inches of snow.
Source: NOAA 1991–2020 climate normals, Spokane Wfo, WA weather station (6 miles away).
218,708 jobs at 14,426 businesses in Spokane County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
92 doctors and other health care providers list an office in Medical Lake.
Nearest hospitals
Providers with an office here
| Primary care doctors | 13 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 8 |
| Nurse practitioners and physician assistants | 15 |
| Mental health providers | 45 |
| Physical and occupational therapists | 10 |
| Pharmacies | 3 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores
Libraries
Theaters and performance venues
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Medical Lake School District, Educational Service District 101. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hallett Elementary SchoolMedical Lake | Pre-K–5 | 496 | Public | 3.4 mi |
| Medical Lake Middle SchoolMedical Lake | 6–8 | 381 | Public | 3.4 mi |
| Martin Hall Detention CtrMedical Lake | 8–12 | 8 | Public | 3.1 mi |
| Medical Lake High SchoolMedical Lake | 9–12 | 506 | Public | 2.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.