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Area data

Williams bay, WI — ZIP 53191

Population: 3,261 (Census ACS)

The median home value in ZIP 53191 (Williams bay, WI) is $546,058 — up 3.5% over the past year. Homes sell for a median $350,000 after a median 45 days on market. 3 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Low, with hail, coldwave, inlandflooding the top-rated hazards. Cost of living is 7.0% below the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$546,058

Median home value

+3.5%

1-year change

45

Median days on market

Relatively Low

Hazard risk (county)

Home values & appreciation

Median home value
$546,058
1-year appreciation
+3.5%
3-year appreciation
+12.5%
5-year appreciation
+39.8%
10-year appreciation
+107.1%
All-time peak (2026-04)
$546,361
House Price Index (state)
459.9 (+5.7% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$350,000
Median list price
$349,900
Median price per sqft
$286
1-year sale-price change
+1.4%
Median days on market
45 days
Homes sold (recent period)
4
For-sale inventory
33
Sale-to-list ratio
97.6%
Active listings
4
1-year forecast
+1.9%
New listings (monthly)
8

Source: recent area sales and market data (ZIP-level)

Rents

Studio fair-market rent
$783/mo
1BR fair-market rent
$978/mo
2BR fair-market rent
$1,230/mo
3BR fair-market rent
$1,599/mo
4BR fair-market rent
$1,845/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Below Average)
93.0 (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%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
3
Elementary schools
1
Middle schools
1
High schools
1
Schools include
Williams Bay Middle, Williams Bay Elementary, Williams Bay High

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Low
Top hazards (county)
hail, coldWave, inlandFlooding, lightning, strongWind
Notable hazard ratings (county)
coldWave: Relatively Moderate · drought: Relatively Low · hail: Relatively High · heatWave: Relatively Low · iceStorm: Relatively Low · inlandFlooding: Relatively Moderate
FEMA flood zone
X
Flood risk level
Minimal
Wildfire risk to homes (county)
Higher than 15% of US counties
Buildings in wildfire direct-exposure zone
47.2%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
1
Nearest Superfund site
Delavan Municipal Well #4 (4.7 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Annual precipitation
41.1 in
USDA plant hardiness zone
5b (extreme annual low -15 to -10°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
44
Days with Good air quality
138
Days with Moderate air quality
48
Highest AQI recorded (year)
143

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
8.7 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
19,195
Jobs reachable by transit (45 min)
23,502

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

Airports within 30 mi
85
Nearest airport
Flying Fox Airport (1 mi)
Nearest major airport
Kenosha Regional Airport (ENW) (32 mi)
Hospitals nearby (~15 mi)
5
Hospitals include
NORTHWESTERN MEDICINE MCHENRY, MERCY HARVARD HOSPITAL, AURORA MEMORIAL HOSPITAL BURLINGTON
Avg hospital rating (CMS)
4.5 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Fair (3.8 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
-39 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,977
Housing built before 1970
45.7%
Housing built 2000 or later
22.1%
Median annual property tax
$3,844
Mean commute to work
20 min
Households with broadband internet
75.9%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
37,214
Average weekly wage
$936
Top industries (by employment)
Accommodation & Food, Health Care, Administrative Services
Annual residential building permits (county)
355

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

ZIP 53191State medianUS median
Median home value$546,058$316,891$289,727
Median sale price$350,000$322,500$325,000
Median days on market45 days49 days51 days
Median annual property tax$3,844$2,994$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

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

Common questions

What is the median home value in ZIP 53191?
$546,058.
What is the median sale price in ZIP 53191?
$350,000.
How long do homes take to sell in ZIP 53191?
Median days on market: 45 days.
What is typical rent in ZIP 53191?
2-bedroom fair-market rent: $1,230/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in ZIP 53191?
Overall risk: Relatively Low (FEMA NRI, county-level). Top hazards: hail, coldWave, inlandFlooding, lightning, strongWind.
Is ZIP 53191 in a flood zone?
Minimal (FEMA NFIP). FEMA flood zone X.
What is the wildfire risk in ZIP 53191?
Risk to homes is higher than 15% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 53191?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 53191?
1 current or proposed National Priorities List site within 5 miles (EPA). Nearest site: Delavan Municipal Well #4, 4.7 mi.
How many schools serve ZIP 53191?
3 schools (1 elementary, 1 middle, 1 high) (NCES, 2022-23).
Is ZIP 53191 walkable?
Walkability index: 8.7/20 (EPA Smart Location Database).
What is the air quality in ZIP 53191?
Good. Median AQI: 44. (EPA AQI).
What is the cost of living in ZIP 53191?
Regional Price Parity: 93.0 (100 = US average) (Below Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

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

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