Lake Lorraine, Wisconsin

Lake Lorraine, Wisconsin
Census-designated place
Lake Lorraine, Wisconsin
Coordinates: 42°43′56″N88°44′34″W / 42.73222°N 88.74278°W / 42.73222; -88.74278
Country	United States
State	Wisconsin
County	Walworth
Area
• Total	1.250 sq mi (3.24 km2)
• Land	1.117 sq mi (2.89 km2)
• Water	0.133 sq mi (0.34 km2)
Elevation	942 ft (287 m)
Population  (2020) [1]
• Total	338
• Density	303/sq mi (117/km2)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
Area code	262
GNIS feature ID	2586518 [2]

Lake Lorraine is a census-designated place in the town of Richmond, Walworth County, Wisconsin, United States. Its population was 338 as of the 2020 census. ^[1]

Geography

Lake Koshkonong is located at coordinates 42°51′38″N 88°56′25″W. According to the United States Census Bureau, Lake Koshkonong has a total area of 77.25 km², of which 36.53 km² is land and 40.72 km² (52.71%) is water. ^{[3] [4]}

Demographics

Historical population

Census	Pop.	Note	%±
2010	324		—
2020	338		4.3%
U.S. Decennial Census [5]

Lake Lorraine had a population of 251 in 2023 (down 13.4% from 290 in 2022), a median age of 37.4 years, and a gender split of 54.2% male / 45.8% female. ^[6]

The racial and ethnic composition was 90% White (Non-Hispanic), 5.98% White (Hispanic) of any race, and 3.98% Two or More Races (Non-Hispanic), with 0% Black, Asian, American Indian/Alaska Native, or Native Hawaiian/Pacific Islander residents; 100% of residents were U.S. citizens and 0.8% were foreign-born. ^[6]

Median household income was $55,208 (a 17.8% decline from the prior year), the poverty rate was 13.9% (35 persons), and the homeownership rate was 69.9% with a median property value of $194,500. ^[6]

There were 154 employed residents, led by manufacturing (69 workers), health care/social assistance (24), and educational services (18); median male earnings were $49,250 and female earnings $45,625, with an average commute of 27.3 minutes. Health-insurance coverage stood at 81.7% (54.6% employer-provided), leaving 18.3% uninsured. ^[6]

References

1. "U.S. Census website". U.S. Census Bureau . Retrieved April 12, 2011.
2. U.S. Geological Survey Geographic Names Information System: Lake Lorraine, Wisconsin
3. "Lake Koshkonong (Jefferson, Wisconsin, USA) - Population Statistics, Charts, Map, Location, Weather and Web Information". citypopulation.de. Retrieved November 24, 2025.
4. https://usa.ipums.org/usa/resources/voliii/pubdocs/2000/phc-3-51.pdf?utm_source=chatgpt.com
5. "Census of Population and Housing". Census.gov. Retrieved January 1, 2023.
6. "Lake Lorraine, WI | Data USA". datausa.io. Retrieved December 11, 2025.