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Potter Lake, WI

Full City Profile · Wisconsin · Walworth County County

3.6 /5.0
B+ Good
766 Population 716/sq mi density
$93,864 Median Income $51,101 per capita
$279,400 Home Value $425,690 Zillow
47°F Avg Temperature 260 sunny days/yr
40 Violent Crime/100K 2,458 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$93,864 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$279,400 home value, /mo rent
F
Safety
1.0 / 5.0
40 violent crimes/100K
B
Education
3.4 / 5.0
30.5% bachelor's degree or higher
Potter Lake experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 20°F in January while summers reach 71°F in July. The area gets 260 sunny days per year. Annual precipitation totals 36.4 inches. Air quality is rated Good with a median AQI of 38.

Temperature

20°F Jan (-7°C) 71°F Jul (22°C)
Annual Average46.7°F
14% below US avg
January Average20°F (-7°C)
July Average71°F (22°C)
Sunny Days260 days/yr

Geography

Elevation837 ft (255 m)
Area1.3 sq mi (3.3 km²)
Population Density716/sq mi
Coordinates42.8201°N, 88.3431°W
TimezoneAmerica/Chicago
CountyWalworth County County
Nearest AirportGeneral Mitchell International (MKE)
24 miles away

Precipitation & Snow

Annual Rainfall 36.4"
4% below US avg
Wettest Month (Jul) 4.17"
Driest Month (Feb) 1.22"

Air Quality

AQI Median38.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0501 ppm

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score74.8 / 100
Social Vulnerability20.8 / 100
Community Resilience80.3 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Moderate
Hail Relatively High
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Relatively Low
Lightning Relatively Moderate
Ice Storm Relatively Low
Drought Relatively Low
Cold Wave Relatively Moderate
Landslide Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

5 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.8. Most recent: M3.1 on Jul 15, 2024.

Feb 10, 2010 2 km NW of Lily Lake, Illinois M3.8 96 km
Nov 4, 2013 1 km SSW of Lyons, Illinois M3.2 121 km
Jul 15, 2024 2 km WNW of Somonauk, Illinois M3.1 134 km
Mar 25, 2015 3 km WNW of Lake in the Hills, Illinois M2.9 70 km
Jun 10, 2013 4 km NNE of Virgil, Illinois M2.6 93 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

469 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 45 fatalities, 1,181 injuries.

Date Rating Distance Fatalities
Apr 27, 1984 EF4 18 km 1
Apr 4, 1981 EF4 69 km 3
Sep 28, 1972 EF4 72 km 0
Apr 21, 1967 EF4 75 km 1
Apr 21, 1967 EF4 82 km 24
Apr 11, 1965 EF4 67 km 6
Aug 22, 1964 EF4 71 km 0
Jan 7, 2008 EF3 62 km 0
Jan 7, 2008 EF3 30 km 0
Aug 18, 2005 EF3 89 km 1
Jun 17, 1992 EF3 97 km 0
Jun 5, 1980 EF3 49 km 0
Apr 7, 1980 EF3 89 km 0
Jun 4, 1975 EF3 85 km 0
Apr 21, 1974 EF3 83 km 2
Apr 21, 1974 EF3 88 km 0
Aug 2, 1967 EF3 96 km 2
Jan 24, 1967 EF3 87 km 0
Jul 19, 1963 EF3 28 km 0
Jun 22, 2024 EF2 66 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

8 wildfires (100+ acres) within 100 km. Largest: UNNAMED (1,524 ac, 2006).

Year Name Acres Distance
2006 UNNAMED 1,524 81 km
2010 RX BURN 1,236 81 km
1994 SOMMERS 938 87 km
1988 PEACHY RD 812 84 km
2024 IBSP SOUTH F1 RX 690 63 km
2006 UNNAMED 612 89 km
2007 TOWER RD 2 592 84 km
2024 RX-HWY Y - SOUTH 553 37 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 20°F (-7°C) 1.5 in Coldest
February 23°F (-5°C) 1.2 in Driest
March 34°F (1°C) 2.4 in
April 46°F (8°C) 3.4 in
May 57°F (14°C) 3.1 in
June 67°F (19°C) 3.9 in
July 71°F (22°C) 4.2 in Warmest, Wettest
August 69°F (21°C) 4.0 in
September 61°F (16°C) 3.9 in
October 50°F (10°C) 2.6 in
November 37°F (3°C) 2.5 in
December 24°F (-4°C) 2.0 in

Potter Lake has a seasonal temperature swing of 51°F / from 20°F in January to 71°F in July. Total annual precipitation is 34.5 inches, with July being the wettest month (4.2") and February the driest (1.2").

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