Genoa is a town in Vernon County, Wisconsin, United States. The population was 705 at the 2000 census. The Village of Genoa is located within the town. The unincorporated community of Romance is located in the town of Genoa.
According to the United States Census Bureau, the town has a total area of 36.3 square miles (94.1 km²), of which, 35.0 square miles (90.6 km²) of it is land and 1.3 square miles (3.4 km²) of it (3.66%) is water.
As of the census of 2000, there were 705 people, 285 households, and 196 families residing in the town. The population density was 20.1 people per square mile (7.8/km²). There were 392 housing units at an average density of 11.2 per square mile (4.3/km²). The racial makeup of the town was 99.15% White, 0.28% from other races, and 0.57% from two or more races. 1.13% of the population were Hispanic or Latino of any race.
There were 285 households out of which 32.3% had children under the age of 18 living with them, 59.6% were married couples living together, 6.3% had a female householder with no husband present, and 30.9% were non-families. 26.0% of all households were made up of individuals and 8.8% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.00.
In the town, the population was spread out with 26.1% under the age of 18, 6.1% from 18 to 24, 29.2% from 25 to 44, 26.2% from 45 to 64, and 12.3% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 102.6 males. For every 100 females age 18 and over, there were 106.7 males.
The median income for a household in the town was $45,234, and the median income for a family was $49,375. Males had a median income of $35,000 versus $20,750 for females. The per capita income for the town was $17,683. About 6.1% of families and 8.9% of the population were below the poverty line, including 13.9% of those under age 18 and 4.3% of those age 65 or over.