Plainfield is a charter township in Kent County, Michigan, home to about 34,040 people across 35 square miles. Its ZIP codes are 49306 and 49321, and parts of 49341 and 49525 are in Plainfield too.
Homes sold for a median of $208 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Plainfield; also Cannon
Mostly Plainfield; also Alpine and Algoma
Part is in Plainfield, part in Cannon and Rockford
Mostly Grand Rapids Charter Township; part is in Plainfield
Each card is that ZIP code’s whole market, including any part outside Plainfield. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Plainfield’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)13 miles away |
|---|---|
| Nearest city of 250,000+ | Toledo, OH141 miles away |
| Nearest city of 1 million+ | Chicago, IL136 miles away |
Straight-line distances from the center of Plainfield; 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.
Plainfield had 33,535 residents in the 2020 census, up 11% since 2000.
It’s the 51st largest of 1,531 towns in Michigan by population.
Kent County grew from 129,714 residents in 1900 to 657,974 in 2020.
Kent 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 39.6 inches of rain and melted snow fall in a typical year, with about 75 inches of snow.
Source: NOAA 1991–2020 climate normals, E Grand Rapids, MI weather station (8 miles away).
384,635 jobs at 17,799 businesses in Kent County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
75 doctors and other health care providers list an office in Plainfield’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 11 |
|---|---|
| Dentists | 11 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 15 |
| Physical and occupational therapists | 18 |
| Optometrists | 4 |
| Chiropractors | 8 |
| 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 (23 nearby)
Grocery stores (4 nearby)
Pharmacies (3 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues
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 Chandler Woods Charter Academy, Kenowa Hills Public Schools, Rockford Public Schools and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Chandler Woods Charter AcademyBelmont | Pre-K–8 | 741 | Charter | 2.6 mi |
| Alpine Elementary SchoolComstock Park | K–5 | 323 | Public | 6.2 mi |
| Belmont Elementary SchoolBelmont | K–5 | 277 | Public | 1.2 mi |
| Stoney Creek ElementaryComstock Park | K–2 | 432 | Public | 4.1 mi |
| Pine Island ElementaryComstock Park | 3–5 | 379 | Public | 3.3 mi |
| Mill Creek Middle SchoolComstock Park | 6–8 | 385 | Public | 3.8 mi |
| Comstock Park Flex AcademyComstock Park | 9–12 | 33 | Alternative Education | 3.6 mi |
| Comstock Park High SchoolComstock Park | 9–12 | 522 | Public | 3.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Assumption Bvm SchoolBelmont | Pre-K–8 | 182 | Roman Catholic | 1.6 mi |
| Holy Trinity Catholic Elementary SchoolComstock Park | Pre-K–8 | 98 | Roman Catholic | 5.4 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 Grand Rapids Charter Township, Grand Rapids, Cannon, Rockford, Alpine, Courtland, Algoma, Oakfield and Grattan.
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.