Fairfax is a city in Renville County, Minnesota, United States.

[4] Minnesota State Highways 4 and 19 are two of the main arterial routes in the city.

[5] According to the United States Census Bureau, the city has a total area of 1.30 square miles (3.37 km2), all land.

There were 577 housing units at an average density of 443.8 per square mile (171.4/km2).

32.2% of all households were made up of individuals, and 16.5% had someone living alone who was 65 years of age or older.

There were 589 housing units at an average density of 457.8 per square mile (176.8/km2).

33.3% of all households were made up of individuals, and 22.1% had someone living alone who was 65 years of age or older.