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WI area data

Sister Bay, WI

Sister Bay, WI.

Population: 2,158 (Census ACS)

Home values & appreciation

Median home value
$528,989
1-year appreciation
+1.8%
3-year appreciation
+5.7%
5-year appreciation
+29.0%
10-year appreciation
+83.3%
All-time peak (2026-04)
$533,013
House Price Index
459.9 (+5.7% YoY)

Market activity

New listings (monthly)
13

Affordability

Cost of living index (Average)
97.5 (100 = US avg)
Electricity rate (state-level)
18.2¢/kWh
Natural gas rate (state-level)
$10.70/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Natural hazards & flood risk

Overall hazard risk
Relatively Low
Top hazards
coldWave

Climate (30-year normals)

Average annual temperature
44.0°F
Average high
53.0°F
Average low
36.0°F
Annual precipitation
34.5 in
Annual snowfall
65.6 in

Air quality

Air quality rating
Good
Median AQI (annual)
41
Days with Good air quality
155
Days with Unhealthy air quality
1

Amenities

National parks within ~60 mi
1
Nearest national park
Sleeping Bear Dunes National Lakeshore (55 mi)
Nearest airport
Mave's Lakeview Road Airport (4 mi)
Hospitals nearby (~15 mi)
1,090
Avg hospital rating
3.1 / 5
EV charging stations (within 10 mi)
30
Solar radiation rating
Fair (3.7 kWh/m²/day)

Migration

Net migration
+144 tax filers

Housing stock

Median year housing built
1,990
Median annual property tax
$3,574
Households with broadband internet
68.7%

Employment & development

Total county employment
12,149
Average weekly wage
$853
Top industries (by employment)
Accommodation & Food, Health Care, Construction
Annual residential building permits (county)
98

Area data compiled from public government, academic, and industry research feeds. Data sources →

Data last updated

Most recent source refresh: Aug 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents