Forss is a surname that occurs in Finland. It is common in Finns. About every 5,000th Finn is called Forss.
- In Sweden, Forss was the surname of 1,319 people in 2018. The name is therefore more common in Sweden than in Finland.
- In Norway, Forss was the surname of 9 people in 2015.
- In Denmark, Forss has been the surname of 13 people in 2016.
- In 2010, there were a total of 245 people in the United States whose last name was Forss. The name there is primarily a Caucasian surname.
- Around 2006, there were 14 eligible voters in Australia with the surname Forss.
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