South Yarmouth is a city located in Massachusetts. South Yarmouth has a 2020 population of 11,624. South Yarmouth is currently declining at a rate of 0.00% annually and its population has increased by 4.80% since the most recent census, which recorded a population of 11,092 in 2010. South Yarmouth reached it's highest population of 11,651 in 2012.
The average household income in South Yarmouth is $75,099 with a poverty rate of 7.14%. The median rental costs in recent years comes to $1,314 per month, and the median house value is $311,900. The median age in South Yarmouth is 49.7 years, 49.2 years for males, and 50.9 years for females. For every 100 females there are 92.0 males.