| ZIP Codes: | 9 ZIP Codes (8 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 353 / 608 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:14:19 PM |
| Population: | 16,276 [See All] |
| FIPS: | 55065 |
| Land Area: | 582 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 42.6538, -90.0570 |
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16,276 residents live across 9 ZIPs covering 582 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 16,174 to 16,276 from 2014 to 2024 — a +0.6% change. 4 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 53587 (South Wayne, $90,250 median) and poorest ZIP 53541 (Gratiot, $58,438) are 6.9 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.9× across this county — from $163,700 in 53803 (Benton) to $306,600 in 53516 (Blanchardville).
Density varies 8× across the county — from 14 people/sq mi in 53541 (Gratiot) to 110 in 53803 (Benton).
Educational attainment ranges from 15.9% bachelor's+ in 53587 (South Wayne) to 33.7% in 53516 (Blanchardville) — the breadth of educational profiles across the area.
Within Wisconsin, this is the #59 most populous of 73 counties and ranks #31 for median household income .
Weighted by population, the typical household earns about $76,729 across the county — reflecting what a typical resident sees, not a simple ZIP average.
23.1% of adults age 25+ hold a bachelor's degree or higher (2,588 of 11,185 reporting).
8 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 53530 | Darlington | Standard | 4,569 | $69,511 | 134.6 | -4.2% |
| 53504 | Argyle | Standard | 2,281 | $83,690 | 86.4 | 13.9% |
| 53516 | Blanchardville | Standard | 2,238 | $85,324 | 84.3 | 0.6% |
| 53586 | Shullsburg | Standard | 2,211 | $70,806 | 98.3 | -2.6% |
| 53510 | Belmont | Standard | 1,435 | $82,083 | 42.3 | -4.8% |
| 53803 | Benton | Standard | 1,386 | $79,545 | 12.6 | 5.2% |
| 53587 | South Wayne | Standard | 1,177 | $90,250 | 56.5 | -5.8% |
| 53541 | Gratiot | Standard | 904 | $58,438 | 66.8 | 21.3% |
| 53599 | Woodford | PO Box | 75 | — | 0.4 | -14.8% |