Sanilac County, Michigan ZIP codes
18 ZIP codes are in Sanilac County, plus 5 that cross in from neighboring counties.
- ZIP codes
- 18
- Population in these ZIPs
- 42,769
- Avg. median income
- $59,700population-weighted
- Cities & towns
- 18
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Sanilac County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 48401 | Applegate | 1,323 | $70,536 | $210,100 |
| 48410 | Argyle | 77 | $55,250 | $110,700 |
| 48416 | Brown City | 4,996 | $66,474 | $228,200 |
| 48419 | Carsonville | 2,268 | $59,485 | $201,600 |
| 48422 | Croswell | 6,094 | $57,899 | $197,000 |
| 48426 | Decker | 1,317 | $62,169 | $190,200 |
| 48427 | Deckerville | 2,861 | $56,842 | $189,400 |
| 48434 | Forestville | 136 | $40,938 | $170,800 |
| 48450 | Lexington | 4,320 | $52,962 | $234,900 |
| 48453 | Marlette | 5,046 | $53,676 | $176,400 |
| 48454 | Melvin | 1,175 | $62,639 | $224,700 |
| 48456 | Minden City | 788 | $62,321 | $157,900 |
| 48465 | Palms | 458 | $73,750 | $244,200 |
| 48466 | Peck | 1,514 | $59,241 | $180,800 |
| 48469 | Port Sanilac | 1,388 | $56,023 | $263,100 |
| 48471 | Sandusky | 5,414 | $62,844 | $170,000 |
| 48472 | Snover | 1,359 | $61,000 | $167,500 |
| 48475 | Ubly | 2,235 | $61,719 | $205,000 |
ZIP codes partly in Sanilac County
These ZIP codes are mostly in a neighboring county but cover part of Sanilac County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 48032 | Jeddo | St. Clair County | 1,871 | $96,875 | $310,300 |
| 48097 | Yale | St. Clair County | 5,418 | $63,659 | $245,600 |
| 48441 | Harbor Beach | Huron County | 3,682 | $50,765 | $202,500 |
| 48470 | Ruth | Huron County | 600 | $58,594 | $203,000 |
| 48726 | Cass City | Tuscola County | 5,872 | $65,087 | $178,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Sanilac County
Nearby counties
Frequently asked questions
How many ZIP codes are in Sanilac County, Michigan?
18 ZIP codes are mainly in Sanilac County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Sanilac County?
ZIP codes in Sanilac County use the city names Applegate, Argyle, Brown City, Carsonville, Croswell, Decker, Deckerville, Forestville, Lexington, Marlette, Melvin and Minden City and others.