| ZIP Codes: | 11 ZIP Codes (9 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 274 / 920 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:55:38 PM |
| Population: | 29,826 [See All] |
| FIPS: | 55029 |
| Land Area: | 471 sq mi |
| Water Area: | 23 sq mi |
| Coordinates: | 45.0199, -87.2685 |
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29,826 residents live across 11 ZIPs covering 471 sq mi, served by 11 distinct USPS-recognized cities.
Population moved from 27,142 to 29,826 from 2014 to 2024 — a +9.9% change. 8 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 54212 (Fish Creek, $104,531 median) and poorest ZIP 54246 (Washington Island, $70,000) are 23.4 miles apart — a 1.5× income gap across local geography.
Median home values vary 2.4× across this county — from $206,800 in 54213 (Forestville) to $500,000 in 54212 (Fish Creek).
Density varies 5× across the county — from 28 people/sq mi in 54212 (Fish Creek) to 153 in 54211 (Ephraim).
Educational attainment ranges from 16.6% bachelor's+ in 54213 (Forestville) to 78.4% in 54211 (Ephraim) — the breadth of educational profiles across the area.
Within Wisconsin, this is the #44 most populous of 73 counties and ranks #20 for median household income with the #5 fastest decade growth .
Weighted by population, the typical household earns about $74,799 across the county — reflecting what a typical resident sees, not a simple ZIP average.
37.5% of adults age 25+ hold a bachelor's degree or higher (8,779 of 23,410 reporting).
9 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 54235 | Sturgeon Bay | Standard | 17,749 | $70,212 | 190.0 | 4.2% |
| 54234 | Sister Bay | Standard | 2,158 | $74,583 | 24.7 | 44.3% |
| 54204 | Brussels | Standard | 2,139 | $79,803 | 48.0 | 26.7% |
| 54202 | Baileys Harbor | Standard | 1,772 | $73,784 | 43.9 | 14.8% |
| 54209 | Egg Harbor | Standard | 1,485 | $77,188 | 39.2 | 19.7% |
| 54213 | Forestville | Standard | 1,395 | $97,292 | 37.8 | 20.1% |
| 54212 | Fish Creek | Standard | 980 | $104,531 | 34.8 | -7.8% |
| 54210 | Ellison Bay | Standard | 942 | $77,159 | 27.0 | 3.0% |
| 54246 | Washington Island | Standard | 803 | $70,000 | 22.5 | -0.4% |
| 54211 | Ephraim | PO Box | 403 | $100,938 | 2.6 | 101.5% |
| 54226 | Maplewood | PO Box | — | — | 0.0 | — |