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Lake Ivanhoe, WI

Full City Profile · Wisconsin · Walworth County County

3.5 /5.0
B+ Good
764 Population 849/sq mi density
$82,963 Median Income $34,736 per capita
$171,000 Home Value $490,082 Zillow
$1,050 Median Rent 33.3% income on rent
47°F Avg Temperature 260 sunny days/yr
96 Violent Crime/100K 1,130 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$82,963 median income, 1.3% unemployment
A+
Affordability
5.0 / 5.0
$171,000 home value, $1,050/mo rent
F
Safety
1.0 / 5.0
96 violent crimes/100K
B+
Education
3.6 / 5.0
32.1% bachelor's degree or higher
Lake Ivanhoe experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 21°F in January while summers reach 71°F in July. The area gets 260 sunny days per year. Annual precipitation totals 36.6 inches. Air quality is rated Good with a median AQI of 38.

Temperature

21°F Jan (-6°C) 71°F Jul (21°C)
Annual Average47.0°F
13% below US avg
January Average21°F (-6°C)
July Average71°F (21°C)
Sunny Days260 days/yr

Geography

Elevation895 ft (273 m)
Area0.5 sq mi (1.3 km²)
Population Density849/sq mi
Coordinates42.5792°N, 88.3360°W
TimezoneAmerica/Chicago
CountyWalworth County County
Nearest AirportKenosha Regional (ENW)
21 miles away

Precipitation & Snow

Annual Rainfall 36.6"
4% below US avg
Wettest Month (Jul) 4.21"
Driest Month (Feb) 1.30"

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

7 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M3.1 on Jul 15, 2024.

Jun 28, 2004 12 km NW of Dayton, Illinois M4.2 133 km
Feb 10, 2010 2 km NW of Lily Lake, Illinois M3.8 69 km
Sep 2, 1999 8 km W of Amboy, Illinois M3.5 132 km
Nov 4, 2013 1 km SSW of Lyons, Illinois M3.2 96 km
Jul 15, 2024 2 km WNW of Somonauk, Illinois M3.1 108 km
Mar 25, 2015 3 km WNW of Lake in the Hills, Illinois M2.9 44 km
Jun 10, 2013 4 km NNE of Virgil, Illinois M2.6 67 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

504 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 75 fatalities, 1,727 injuries.

Date Rating Distance Fatalities
Aug 28, 1990 EF5 100 km 29
Apr 27, 1984 EF4 45 km 1
Apr 4, 1981 EF4 95 km 3
Sep 28, 1972 EF4 51 km 0
Apr 21, 1967 EF4 62 km 24
Apr 21, 1967 EF4 48 km 1
Apr 11, 1965 EF4 40 km 6
Aug 22, 1964 EF4 95 km 0
Jun 20, 2021 EF3 94 km 0
Jan 7, 2008 EF3 46 km 0
Jan 7, 2008 EF3 3 km 0
Aug 18, 2005 EF3 97 km 1
Jun 5, 1980 EF3 71 km 0
Jan 24, 1967 EF3 85 km 0
Jul 19, 1963 EF3 7 km 0
Jun 22, 2024 EF2 64 km 0
Feb 8, 2024 EF2 83 km 0
Nov 22, 2010 EF2 59 km 0
Jul 22, 2010 EF2 34 km 0
Jun 21, 2010 EF2 35 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

2 wildfires (100+ acres) within 100 km. Largest: IBSP SOUTH F1 RX (690 ac, 2024).

Year Name Acres Distance
2024 IBSP SOUTH F1 RX 690 47 km
2024 RX-HWY Y - SOUTH 553 55 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 21°F (-6°C) 1.6 in Coldest
February 24°F (-5°C) 1.3 in Driest
March 34°F (1°C) 2.6 in
April 46°F (8°C) 3.5 in
May 58°F (14°C) 3.3 in
June 67°F (20°C) 3.9 in
July 71°F (21°C) 4.2 in Warmest, Wettest
August 70°F (21°C) 4.0 in
September 62°F (17°C) 3.9 in
October 50°F (10°C) 2.6 in
November 37°F (3°C) 2.6 in
December 25°F (-4°C) 2.1 in

Lake Ivanhoe has a seasonal temperature swing of 50°F / from 21°F in January to 71°F in July. Total annual precipitation is 35.7 inches, with July being the wettest month (4.2") and February the driest (1.3").

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