Sylvan Lake is a city in Oakland County, Michigan, home to about 1,705 people across 0.5 square miles. It has no ZIP code of its own: it’s part of 48320.
Homes sold for a median of $192 per square foot in the three months ending August 2026, a seller’s market.
Mostly Keego Harbor; part is in Sylvan Lake
Each card is that ZIP code’s whole market, including any part outside Sylvan Lake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Sylvan Lake’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Detroit Metropolitan Wayne County Airport (DTW)27 miles away |
|---|---|
| Nearest city of 250,000+ | Detroit, MI20 miles away |
| Nearest city of 1 million+ | Chicago, IL229 miles away |
Straight-line distances from the center of Sylvan 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.
Sylvan Lake had 1,723 residents in the 2020 census, down 1% since 2000.
It’s the 921st largest of 1,531 towns in Michigan by population.
Oakland County grew from 44,792 residents in 1900 to 1,274,395 in 2020.
Oakland County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 17°F. About 33.9 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Pontiac Wwtp, MI weather station (4 miles away).
733,671 jobs at 39,792 businesses in Oakland County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
40 doctors and other health care providers list an office in Sylvan Lake.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 6 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 6 |
| Physical and occupational therapists | 14 |
| Chiropractors | 3 |
| 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.
Parks (19 nearby)
Grocery stores
Pharmacies (1 nearby)
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile 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.
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Shares ZIP codes with Keego Harbor and Orchard Lake Village.
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.