Eaton County, MI ZIP codes
There are 12 ZIP codes in Eaton County, MI, in 11 towns, from 48813 to 49096. The largest are 48917 (Lansing), 48813 (Charlotte) and 48837 (Grand Ledge).
The county seat is Charlotte.
- ZIP codes
- 12
- Towns
- 11
- County seat
- Charlotte
- County FIPS
26045- State
- Michigan
- Population
- 109,130
- Median household income
- $79,597
- Land area
- 575 sq mi
- Area code
- 517
- Metro area
- Lansing-East Lansing
Eaton County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Eaton County ZIP codes
The ZIP codes of Eaton County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Eaton County in numbers
About 109,130 people live in Eaton County, in 45,428 households, the 19th most populous of Michigan's 83 counties. The median household income is $79,597 a year, 9% above the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $216,900 (6% below the Michigan median), and median gross rent is $1,092 a month. The median age is 41.4; 30.8% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 23 minutes.
| Population | 109,130 |
|---|---|
| Households | 45,428 |
| Median age | 41.4 |
| Median household income | $79,597 |
| Median home value | $216,900 |
| Median gross rent | $1,092 |
| Bachelor's degree or higher | 30.8% |
| Mean commute | 22.7 min |
| Population density | 190 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Eaton County
| Town | ZIP codes | Population |
|---|---|---|
| Lansing | 2 | 113,023 |
| Charlotte | 1 | 9,277 |
| Grand Ledge | 1 | 7,804 |
| Eaton Rapids | 1 | 5,183 |
| Potterville | 1 | 3,087 |
| Olivet | 1 | 1,844 |
| Bellevue | 1 | 1,552 |
| Dimondale | 1 | 1,521 |
| Vermontville | 1 | 790 |
| Sunfield | 1 | 658 |
| Mulliken | 1 | 501 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Eaton County.
- Ingham County (34)
- Jackson County (20)
- Calhoun County (15)
- Clinton County (11)
- Ionia County (13)
- Barry County (9)
Not sure you are in Eaton County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Eaton County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
48813 | Charlotte , MI | Standard | 20,564 | $80,429 | $192,800 |
48821 | Dimondale , MI | Standard | 6,327 | $107,440 | $244,000 |
48827 | Eaton Rapids , MI | Standard | 15,831 | $78,257 | $217,500 |
48837 | Grand Ledge , MI | Standard | 19,947 | $96,517 | $253,200 |
48861 | Mulliken , MI | Standard | 1,774 | $89,412 | $184,600 |
48876 | Potterville , MI | Standard | 4,360 | $74,594 | $186,900 |
48890 | Sunfield , MI | Standard | 2,055 | $79,444 | $175,800 |
48908 | Lansing , MI | No street area | — | — | — |
48917 | Lansing , MI | Standard | 32,483 | $70,990 | $222,900 |
49021 | Bellevue , MI | Standard | 6,319 | $82,959 | $184,400 |
49076 | Olivet , MI | Standard | 4,294 | $74,440 | $200,600 |
49096 | Vermontville , MI | Standard | 3,305 | $73,929 | $188,500 |
Cite this page
zipcodes.pro. “Eaton County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mi/county/eaton
Underlying data is public domain or openly licensed — sources, vintages and licences.