Union Charter Township is a charter township in Isabella County, Michigan, home to about 11,823 people across 28 square miles. It has no ZIP code of its own: it’s part of 48858.
Homes sold for a median of $148 per square foot in the three months ending August 2026, a seller’s market.
Mostly Mount Pleasant; part is in Union Charter Township
Each card is that ZIP code’s whole market, including any part outside Union Charter Township. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Union Charter Township’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Union Charter Township well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Gerald R. Ford International Airport (GRR)62 miles away |
|---|---|
| Closer regional airport | MBS International Airport (MBS)35 miles away |
| Nearest city of 250,000+ | Detroit, MI119 miles away |
| Nearest city of 1 million+ | Chicago, IL191 miles away |
Straight-line distances from the center of Union Charter Township; 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.
Union Charter Township had 11,699 residents in the 2020 census, up 54% since 2000.
It’s the 171st largest of 1,531 towns in Michigan by population.
Isabella County grew from 22,784 residents in 1900 to 64,394 in 2020.
Isabella County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 16°F. About 35.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Central Michigan Univ, MI weather station (about a mile away).
25,575 jobs at 1,423 businesses in Isabella County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
689 doctors and other health care providers list an office in Union Charter Township.
Nearest hospitals
Providers with an office here
| Primary care doctors | 50 |
|---|---|
| Specialist doctors | 61 |
| Dentists | 40 |
| Nurse practitioners and physician assistants | 114 |
| Mental health providers | 290 |
| Physical and occupational therapists | 107 |
| Optometrists | 12 |
| Chiropractors | 15 |
| Pharmacies | 17 |
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 (32 nearby)
Grocery stores (7 nearby)
Pharmacies (4 nearby)
Libraries (2 nearby)
Museums (3 nearby)
Theaters and performance venues (3 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 Mt. Pleasant City School District, Beal City Public Schools, Renaissance Public School Academy and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ganiard SchoolMount Pleasant | Pre-K–2 | 220 | Public | 0.8 mi |
| Pullen Elementary SchoolMount Pleasant | Pre-K–2 | 303 | Public | 0.6 mi |
| Vowles SchoolMount Pleasant | Pre-K–2 | 235 | Public | 1.3 mi |
| Beal City Elementary SchoolMount Pleasant | K–5 | 265 | Public | 8.5 mi |
| Renaissance Public School AcademyMount Pleasant | K–8 | 428 | Charter | 1.4 mi |
| Fancher SchoolMount Pleasant | 3–5 | 431 | Public | 0.4 mi |
| Mary McGuire SchoolMount Pleasant | 3–5 | 276 | Public | 1.3 mi |
| Beal City High SchoolMount Pleasant | 6–12 | 376 | Public | 8.4 mi |
| Mt Pleasant Middle SchoolMount Pleasant | 6–8 | 666 | Public | 1.3 mi |
| OasisMount Pleasant | 6–12 | 138 | Alternative Education | 1.4 mi |
| Isabella Day TreatmentMount Pleasant | 7–12 | 6 | Alternative Education | 1.4 mi |
| Odyssey MiddleHigh SchoolMount Pleasant | 7–12 | 69 | Alternative Education | 6.4 mi |
| Kinney SchoolMount Pleasant | 9–12 | — | Special Education | 0.7 mi |
| Mt Pleasant Senior High SchoolMount Pleasant | 9–12 | 1,066 | Public | 0.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Mid-Mitten MontessoriMount Pleasant | Pre-K–1 | 28 | Nonsectarian | 0.3 mi |
| Sacred Heart AcademyMount Pleasant | Pre-K–12 | 450 | Roman Catholic | 0.1 mi |
| St Joseph the Worker SchoolMount Pleasant | Pre-K–6 | 75 | Roman Catholic | 8.3 mi |
| Saginaw Chippewa AcademyMount Pleasant | K–5 | 71 | Nonsectarian | 3.8 mi |
| Mt Pleasant Sda Elementary SchoolMount Pleasant | 1–6 | 7 | Seventh-day Adventist | 2.0 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 Mount Pleasant, Chippewa Township (Isabella County), Deerfield Township (Isabella County), Denver Township (Isabella County), Nottawa Township (Isabella County), Isabella, Fremont Township (Isabella County) and Lincoln Township (Isabella County).
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.