Friesland, WI has a population of 343 and is the 21,731st largest city in the United States. The population density is 343 per sq mi which is 292% higher than the Wisconsin average and 279% higher than the national average. The median age in Friesland is 36 which is approximately 9% lower than the Wisconsin average of 39. In Friesland, 79% of the population over 15 years of age are married, 91% speak English and 5% speak Spanish. 84% of Friesland residents were born in Wisconsin, 9% were born out of state, 1% were born outside of the United States and 6% were foreign born.