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.
Lake Koshkonong is located at coordinates 42ð51â²38â³N 88ð56â²25â³W. According to the United States Census Bureau, Lake Koshkonong has a total area of 77.25 km<sup>2</sup>, of which 36.53 km<sup>2</sup> is land and 40.72 km<sup>2</sup> (52.71%) is water.
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.
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.
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.
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.