St. Lawrence is a town in Waupaca County, Wisconsin, United States.

At the 2000 census there were 740 people, 284 households, and 216 families in the town.

The population density was 21.3 people per square mile (8.2/km2).

There were 345 housing units at an average density of 9.9 per square mile (3.8/km2).

[2] Of the 284 households 31.3% had children under the age of 18 living with them, 65.1% were married couples living together, 5.6% had a female householder with no husband present, and 23.9% were non-families.