Emerald, WI has a population of 118 and is the 26,472nd largest city in the United States. The population density is 63 per sq mi which is 28% lower than the Wisconsin average and 30% lower than the national average. The median age in Emerald is 40 which is approximately 2% higher than the Wisconsin average of 39. In Emerald, 61% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 69% of Emerald residents were born in Wisconsin, 27% were born out of state, 0% were born outside of the United States and 3% were foreign born.