Cass County, MI ZIP codes
There are 7 ZIP codes in Cass County, MI, in 7 towns, from 49031 to 49130. The largest are 49047 (Dowagiac), 49112 (Edwardsburg) and 49031 (Cassopolis). 1 more crosses into it from a neighbouring county: 49120.
The county seat is Cassopolis.
- ZIP codes
- 7
- Partly in it
- 1 more
- Towns
- 7
- County seat
- Cassopolis
- County FIPS
26027- State
- Michigan
- Population
- 51,520
- Median household income
- $70,443
- Land area
- 490 sq mi
- Area code
- 269
- Metro area
- South Bend-Mishawaka
Cass County ZIP codes by town
- Cassopolis (county seat)
- 49031
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.
ZIP codes partly in Cass County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Cass County.
- 49120 Niles · mostly in Berrien County
Map of Cass County ZIP codes
The ZIP codes of Cass 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.
Cass County in numbers
About 51,520 people live in Cass County, in 21,207 households, the 35th most populous of Michigan's 83 counties. The median household income is $70,443 a year, 3% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $218,000 (6% below the Michigan median), and median gross rent is $916 a month. The median age is 45.5; 21.8% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 24 minutes.
| Population | 51,520 |
|---|---|
| Households | 21,207 |
| Median age | 45.5 |
| Median household income | $70,443 |
| Median home value | $218,000 |
| Median gross rent | $916 |
| Bachelor's degree or higher | 21.8% |
| Mean commute | 24.4 min |
| Population density | 105 / 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 Cass County
| Town | ZIP codes | Population |
|---|---|---|
| Dowagiac | 1 | 5,732 |
| Cassopolis | 1 | 1,834 |
| Jones | 1 | 1,799 |
| Edwardsburg | 1 | 1,472 |
| Union | 1 | 1,258 |
| Marcellus | 1 | 1,112 |
| Vandalia | 1 | 366 |
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 Cass County.
Not sure you are in Cass County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Cass County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
49031 | Cassopolis , MI | Standard | 7,869 | $66,944 | $232,600 |
49047 | Dowagiac , MI | Standard | 14,858 | $62,963 | $181,700 |
49061 | Jones , MI | Standard | 1,799 | $79,229 | $223,500 |
49067 | Marcellus , MI | Standard | 3,974 | $74,583 | $210,800 |
49095 | Vandalia , MI | Standard | 2,432 | $83,393 | $264,300 |
49112 | Edwardsburg , MI | Standard | 10,544 | $61,785 | $248,800 |
49130 | Union , MI | Standard | 1,258 | $76,667 | $341,900 |
Cite this page
zipcodes.pro. “Cass County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mi/county/cass
Underlying data is public domain or openly licensed — sources, vintages and licences.