Lafayette County, WI ZIP codes
There are 9 ZIP codes in Lafayette County, WI, in 9 towns, from 53504 to 53803. The largest are 53530 (Darlington), 53516 (Blanchardville) and 53586 (Shullsburg). 2 more cross into it from neighbouring counties: 53565 and 53807.
The county seat is Darlington.
- ZIP codes
- 9
- Partly in it
- 2 more
- Towns
- 9
- County seat
- Darlington
- County FIPS
55065- State
- Wisconsin
- Population
- 16,942
- Median household income
- $76,462
- Land area
- 634 sq mi
Lafayette County ZIP codes by town
- Darlington (county seat)
- 53530
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 Lafayette County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Lafayette County.
- 53565 Mineral Point · mostly in Iowa County
- 53807 Cuba City · mostly in Grant County
Map of Lafayette County ZIP codes
The ZIP codes of Lafayette 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.
Lafayette County in numbers
About 16,942 people live in Lafayette County, in 6,763 households, the 58th most populous of Wisconsin's 72 counties. The median household income is $76,462 a year, about the same as the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $194,500 (27% below the Wisconsin median), and median gross rent is $830 a month. The median age is 40.8; 22.6% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 25 minutes.
| Population | 16,942 |
|---|---|
| Households | 6,763 |
| Median age | 40.8 |
| Median household income | $76,462 |
| Median home value | $194,500 |
| Median gross rent | $830 |
| Bachelor's degree or higher | 22.6% |
| Mean commute | 24.7 min |
| Population density | 27 / 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 Lafayette County
| Town | ZIP codes | Population |
|---|---|---|
| Darlington | 1 | 2,409 |
| Shullsburg | 1 | 1,184 |
| Benton | 1 | 1,054 |
| Belmont | 1 | 949 |
| Argyle | 1 | 877 |
| Blanchardville | 1 | 734 |
| South Wayne | 1 | 441 |
| Gratiot | 1 | 305 |
| Woodford | 1 | 75 |
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 Lafayette County.
Not sure you are in Lafayette County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Lafayette County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
53504 | Argyle , WI | Standard | 2,281 | $83,690 | $220,700 |
53510 | Belmont , WI | Standard | 1,435 | $82,083 | $229,800 |
53516 | Blanchardville , WI | Standard | 2,238 | $85,324 | $306,600 |
53530 | Darlington , WI | Standard | 4,569 | $69,511 | $181,800 |
53541 | Gratiot , WI | Standard | 904 | $58,438 | $245,000 |
53586 | Shullsburg , WI | Standard | 2,211 | $70,806 | $166,100 |
53587 | South Wayne , WI | Standard | 1,177 | $90,250 | $203,900 |
53599 | Woodford , WI | Standard | 75 | — | $98,500 |
53803 | Benton , WI | Standard | 1,386 | $79,545 | $163,700 |
Cite this page
zipcodes.pro. “Lafayette County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wi/county/lafayette
Underlying data is public domain or openly licensed — sources, vintages and licences.