Williamstown is a township in Ingham County, Michigan, home to about 5,295 people across 29 square miles. It has no ZIP code of its own: it’s part of 48840 and 48895.
Homes sold for a median of $170 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Meridian; part is in Williamstown
Mostly Williamston; part is in Williamstown
Each card is that ZIP code’s whole market, including any part outside Williamstown. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Williamstown’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)59 miles away |
|---|---|
| Closer regional airport | Capital Region International Airport (LAN)15 miles away |
| Nearest city of 250,000+ | Detroit, MI65 miles away |
| Nearest city of 1 million+ | Chicago, IL183 miles away |
Straight-line distances from the center of Williamstown; 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.
Williamstown had 5,286 residents in the 2020 census, up 9% since 2000.
It’s the 343rd largest of 1,531 towns in Michigan by population.
Ingham County grew from 39,818 residents in 1900 to 284,900 in 2020.
Ingham 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 18°F. About 34.6 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, East Lansing 4 S, MI weather station (9 miles away).
111,995 jobs at 6,160 businesses in Ingham County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
103 doctors and other health care providers list an office in Williamstown’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 15 |
|---|---|
| Specialist doctors | 13 |
| Dentists | 6 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 31 |
| Physical and occupational therapists | 19 |
| Optometrists | 5 |
| Chiropractors | 5 |
| Pharmacies | 7 |
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 (8 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 3.5 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 Haslett Public Schools, Williamston Community Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Wilkshire SchoolHaslett | Pre-K–1 | 390 | Public | 5.0 mi |
| Williamston Discovery Elementary SchoolWilliamston | Pre-K–2 | 428 | Public | 2.0 mi |
| Murphy Elementary SchoolHaslett | 2–5 | 386 | Public | 6.5 mi |
| Vera Ralya Elementary SchoolHaslett | 2–5 | 391 | Public | 5.5 mi |
| Williamston Explorer Elementary SchoolWilliamston | 3–5 | 387 | Public | 1.9 mi |
| Haslett Middle SchoolHaslett | 6–8 | 660 | Public | 5.5 mi |
| Williamston Middle SchoolWilliamston | 6–8 | 440 | Public | 1.8 mi |
| Haslett High SchoolHaslett | 9–12 | 774 | Public | 5.4 mi |
| Williamston High SchoolWilliamston | 9–12 | 609 | Public | 1.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Memorial Lutheran SchoolWilliamston | Pre-K–5 | 28 | Wisconsin Evangelical Lutheran Synod | 1.6 mi |
| St Mary Elementary SchoolWilliamston | Pre-K–8 | 121 | Roman Catholic | 1.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Meridian, Williamston, Wheatfield, Bath, Leroy Township (Ingham County), Locke and Woodhull.
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.