Westfield is a village in Marquette County, Wisconsin, United States. The population was 1,217 at the 2000 census. The village is located mostly within the Town of Westfield. A small portion extends east into the adjacent Town of Harris.
According to the United States Census Bureau, the village has a total area of 1.5 square miles (3.8 km²), of which, 1.4 square miles (3.7 km²) of it is land and 0.04 square miles (0.1 km²) of it (2.07%) is water.
As of the census of 2000, there were 1,217 people, 504 households, and 325 families residing in the village. The population density was 859.1 people per square mile (330.9/km²). There were 553 housing units at an average density of 390.4 per square mile (150.4/km²). The racial makeup of the village was 97.45% White, 0.16% Black or African American, 0.41% Native American, 0.25% Asian, 0.08% from other races, and 1.64% from two or more races. 3.53% of the population were Hispanic or Latino of any race.