Darien (/dɛəriˈɛn/ or /dɛəriˈæn/) is a village in Walworth County, Wisconsin, United States.

[7] According to the United States Census Bureau, the village has a total area of 1.29 square miles (3.34 km2), all of it land.

There were 611 housing units at an average density of 473.6 per square mile (182.9/km2).

16.4% of all households were made up of individuals, and 4.6% had someone living alone who was 65 years of age or older.

There were 560 housing units at an average density of 436.4 per square mile (168.9/km2).

18.8% of all households were made up of individuals, and 6.1% had someone living alone who was 65 years of age or older.

The Wisconsin & Southern continues to service Darien from a connection at Bardwell to the west.