Thetford is a township in Genesee County, Michigan, home to about 6,559 people across 35 square miles. It has no ZIP code of its own: it’s part of 48420, 48458 and 48746.
Homes sold for a median of $144 per square foot across 3 ZIP codes in the three months ending August 2026, and 2 of 3 were seller’s markets.
Mostly Vienna; part is in Thetford
Mostly Mount Morris; part is in Thetford
Mostly Millington; part is in Thetford
Each card is that ZIP code’s whole market, including any part outside Thetford. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Thetford’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)69 miles away |
|---|---|
| Closer regional airport | Bishop International Airport (FNT)14 miles away |
| Nearest city of 250,000+ | Detroit, MI63 miles away |
| Nearest city of 1 million+ | Chicago, IL223 miles away |
Straight-line distances from the center of Thetford; 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.
Thetford had 6,640 residents in the 2020 census, down 20% since 2000.
It’s the 288th largest of 1,531 towns in Michigan by population.
Genesee County grew from 41,804 residents in 1900 to 406,211 in 2020.
Genesee 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 14°F. About 34.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Burton 4n, MI weather station (9 miles away).
121,033 jobs at 7,733 businesses in Genesee County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
138 doctors and other health care providers list an office in Thetford’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 14 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 16 |
| Nurse practitioners and physician assistants | 32 |
| Mental health providers | 39 |
| Physical and occupational therapists | 24 |
| Optometrists | 2 |
| Chiropractors | 8 |
| 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 (8 nearby)
Grocery stores (4 nearby)
Pharmacies (2 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues (3 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.
Established in 1836.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Clio Area School District, Beecher Community School District, Millington Community Schools and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Clio Community High SchoolClio | Pre-K–12 | 84 | Alternative Education | 1.3 mi |
| Clio ElementaryClio | Pre-K–3 | 726 | Public | 1.3 mi |
| Clio Learning CenterClio | Pre-K–12 | — | Public | 1.4 mi |
| Dailey Elementary SchoolMount Morris | Pre-K–7 | 328 | Public | 5.6 mi |
| ESCE ProgramMillington | Pre-K | — | Special Education | 11.6 mi |
| Pinehurst Early ElementaryMount Morris | Pre-K–1 | 197 | Public | 3.4 mi |
| Meachum ElementaryMillington | K–5 | 476 | Public | 11.6 mi |
| Moore Elementary SchoolMount Morris | 2–3 | 219 | Public | 3.5 mi |
| Clio Intermediate SchoolClio | 4–5 | 424 | Public | 3.5 mi |
| Montague Elementary SchoolMount Morris | 4–5 | 199 | Public | 4.0 mi |
| Clio Middle SchoolClio | 6–8 | 564 | Public | 1.3 mi |
| Millington Junior High SchoolMillington | 6–8 | 240 | Public | 11.5 mi |
| Mt Morris Education and Community CenterMount Morris | 6–12 | 68 | Alternative Education | 4.1 mi |
| Mt Morris Middle SchoolMount Morris | 6–8 | 297 | Public | 3.9 mi |
| Beecher High SchoolMount Morris | 7–12 | 185 | Public | 5.5 mi |
| Clio Area High SchoolClio | 8–12 | 684 | Public | 1.3 mi |
| EA Johnson Memorial HSMount Morris | 9–12 | 410 | Public | 3.9 mi |
| MalcMillington | 9–12 | 19 | Alternative Education | 11.6 mi |
| Millington High SchoolMillington | 9–12 | 358 | Public | 11.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Paul Lutheran SchoolMillington | K–8 | 130 | Lutheran Church–Missouri Synod | 11.0 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 Vienna, Mount Morris, Genesee, Millington, Mount Morris City, Clio, Arbela, Watertown Township (Tuscola County), Forest Township (Genesee County) and Vassar Township.
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.