The Town FilesOconomowoc Lake, Wisconsin
Village in Waukesha County · population 566 (2020 Census)
- Median home
- $1,210,900
- Household income
- $250,001
- Jan low / Jul high
- 11° / 82°
- Snow a year
- 40 in
- Tornadoes ≤10 mi since 1950
- 31
- Median age
- 55.1
Oconomowoc Lake is a village of 566 people in Waukesha County, Wisconsin. The median home is worth $1,210,900, above the typical Wisconsin town ($256,000). It ranks more upscale than 98% of Wisconsin towns, more of a college town than 97% of Wisconsin towns, better for young professionals than 89% of Wisconsin towns.
How Oconomowoc Lake ranks
Percentile among Wisconsin towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Wisconsin towns.
Homes and cost of living
The median home in Oconomowoc Lake is worth $1,210,900, above the typical Wisconsin town ($256,000). Homes cost about 4.8 times the median household income of $250,001, which is more affordable than 4% of Wisconsin towns. 97.9% of households own their home.
| Housing | Oconomowoc Lake | Typical Wisconsin town |
|---|---|---|
| Median home value | $1,210,900 | $256,000 |
| Median rent | — | $951 |
| Median household income | $250,001 | $82,217 |
| Home value ÷ income | 4.8× | 3.1× |
| Homeownership | 97.9% | 86.8% |
| Median year built | 1979 | 1978 |
| Seasonal / vacation homes | 23.4% | — |
Who lives in Oconomowoc Lake
| People | Oconomowoc Lake | Typical Wisconsin town |
|---|---|---|
| Median age | 55.1 | 45.1 |
| Age 65 and over | 26.0% | 21.0% |
| Under 18 | 14.8% | — |
| Bachelor's degree or higher | 72.8% | 23.8% |
| Below the poverty line | 3.6% | 7.2% |
| Veterans | 3.9% | — |
| Born outside the U.S. | 5.8% | — |
| Work from home | 17.9% | 10.9% |
| Average commute | 23.1 min | 24.6 min |
| Homes with broadband | 97.9% | 89.1% |
Weather in Oconomowoc Lake
July highs average 82.3°F and January lows 11.1°F. About 36.8 inches of rain and melted snow fall a year, with 39.6 inches of snow (typical Wisconsin town: 45.7 in). Expect about 7 days a year at 90°F or hotter and 146 nights at or below freezing.
Tornadoes, storms and disasters
31 tornadoes have passed within 10 miles of Oconomowoc Lake since 1950, compared with 15 for the typical Wisconsin town. 11 rated (E)F2 or stronger. The strongest, an F4, struck on April 27, 1984 about 9.2 miles from the town center and killed 1. Tornadoes within 10 miles have caused 1 deaths and 22 injuries since 1950. The most recent was on April 14, 2026.
Hail of 1 inch or larger has been reported within 10 miles 82 times; the largest was 3.00 inches on June 7, 2008.
Severe weather in Waukesha County since 1996
Waukesha County has been included in 19 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| June 30, 2026 | Flood | DR-4923: Severe Storms, Tornadoes, And Flooding |
| September 11, 2025 | Flood | DR-4892: Severe Storms, Straight-Line Winds, Flooding, And Mudslides |
| April 4, 2020 | Biological | DR-4520: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3454: Covid-19 |
| June 14, 2008 | Severe Storm | DR-1768: Severe Storms, Tornadoes, And Flooding |
Jobs and pay in Waukesha County
Waukesha County had 247,891 jobs in 2024, paying an average of $69,989 a year. Unemployment was 2.6% in 2023; in Oconomowoc Lake itself the ACS puts it at 1%.
Towns near Oconomowoc Lake
- Okauchee Lake, WI1.6 mi · 5,094 people · home $497,500
- Oconomowoc, WI2.3 mi · 18,203 people · home $394,500
- Nashotah, WI2.3 mi · 1,321 people · home $483,300
- Chenequa, WI3.7 mi · 526 people · home $1,402,800
- Delafield, WI4.0 mi · 7,185 people · home $555,800
- Oconomowoc, WI4.1 mi · 8,836 people · home $466,300
- Summit, WI4.2 mi · 4,784 people · home $533,300
- Merton, WI5.7 mi · 8,277 people · home $496,600
Oconomowoc Lake questions
Is Oconomowoc Lake, Wisconsin a good place to retire?
On The Town Files lifestyle rankings, Oconomowoc Lake scores better for retirees than 63% of Wisconsin towns and quieter than 15%. 26.0% of residents are 65 or older (median age 55.1).
How much does a house cost in Oconomowoc Lake?
The median owner-occupied home in Oconomowoc Lake is valued at $1,210,900 (Census ACS 2020–2024), against a median household income of $250,001, so homes cost about 4.8 times income. Median rent is — a month.
What is the weather like in Oconomowoc Lake?
July highs average 82.3°F and January lows 11.1°F (NOAA 1991–2020 normals). It gets about 36.8 inches of precipitation a year and 39.6 inches of snow.
Does Oconomowoc Lake get tornadoes?
31 tornadoes have passed within 10 miles of Oconomowoc Lake since 1950 (NOAA Storm Events); the strongest was a F4 on April 27, 1984. The typical Wisconsin town has had 15.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)