Hartwick is a township in Osceola County, Michigan, home to about 764 people across 35 square miles. It has no ZIP code of its own: it’s part of 49631 and 49665.
Homes sold for a median of $150 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Evart City; part is in Hartwick
Mostly Marion Township (Osceola County); part is in Hartwick
Each card is that ZIP code’s whole market, including any part outside Hartwick. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hartwick’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Gerald R. Ford International Airport (GRR)73 miles away |
|---|---|
| Closer regional airport | Cherry Capital Airport (TVC)59 miles away |
| Nearest city of 250,000+ | Milwaukee, WI149 miles away |
| Nearest city of 1 million+ | Chicago, IL190 miles away |
Straight-line distances from the center of Hartwick; 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.
Hartwick had 591 residents in the 2020 census, down 6% since 2000.
It’s the 1297th largest of 1,531 towns in Michigan by population.
Osceola County grew from 17,859 residents in 1900 to 22,891 in 2020.
Osceola County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 12°F. About 38.1 inches of rain and melted snow fall in a typical year, with about 61 inches of snow.
Source: NOAA 1991–2020 climate normals, Big Rapids Wtp, MI weather station (19 miles away).
6,886 jobs at 441 businesses in Osceola County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
19 doctors and other health care providers list an office in Hartwick’s ZIP codes.
Nearest hospitals
Providers with an office here
| Dentists | 3 |
|---|---|
| Nurse practitioners and physician assistants | 6 |
| Mental health providers | 5 |
| Physical and occupational therapists | 2 |
| Chiropractors | 3 |
| Pharmacies | 6 |
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 (1 nearby)
Libraries (1 nearby)
Counts are within about 4 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 Evart Public Schools, Marion Public Schools, Mecosta-Osceola ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Evart Elementary SchoolEvart | Pre-K–4 | 309 | Public | 1.6 mi |
| Marion Elementary SchoolMarion | K–5 | 185 | Public | 13.3 mi |
| Pineview HomesEvart | 1–12 | 16 | Special Education | 0.8 mi |
| Evart Middle SchoolEvart | 5–8 | 232 | Public | 1.6 mi |
| Marion High SchoolMarion | 6–12 | 192 | Public | 13.6 mi |
| Evart High SchoolEvart | 9–12 | 257 | Public | 2.3 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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Shares ZIP codes with Evart City, Marion Township (Osceola County), Osceola Township (Osceola County), Evart Township, Highland Township, Chippewa Township (Mecosta County), Middle Branch, Sylvan Township (Osceola County), Winterfield, Riverside, Cedar and Redding.
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.