Pella, WI has a population of 179 and is the 24,939th largest city in the United States. The population density is 116 per sq mi which is 33% higher than the Wisconsin average and 28% higher than the national average. The median age in Pella is 54 which is approximately 39% higher than the Wisconsin average of 39. In Pella, 73% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 77% of Pella residents were born in Wisconsin, 17% were born out of state, 1% were born outside of the United States and 4% were foreign born.