South Williamsport is a borough located in Lycoming County, Pennsylvania. South Williamsport has a 2026 population of 6,138. South Williamsport is currently declining at a rate of -0.31% annually and its population has decreased by -1.81% since the most recent census, which recorded a population of 6,251 in 2020.
The median household income in South Williamsport is $64,583 with a poverty rate of 4.35%. The median age in South Williamsport is 43 years: 43 years for males, and 43 years for females. For every 100 females there are 87.1 males.
Data after 2023 is projected based on recent change
Overall: 43 years
Female: 43 years
Male: 43 years
There are 4,845 adults, (1,221 of whom are seniors) in South Williamsport.
Female: 3,319 (53.4%)
Male: 2,892 (46.6%)
The racial composition of South Williamsport includes 91.42% White, and smaller percentages for Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,678 | 91.42% |
| Two or more races | 240 | 3.86% |
| Asian | 154 | 2.48% |
| Black or African American | 114 | 1.84% |
| Native American | 25 | 0.4% |
South Williamsport 's average per capita income is $45,704. Household income levels show a median of $64,583. The poverty rate stands at 4.35%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $103,080 | - |
| Families | $88,003 | $116,934 |
| Households | $64,583 | $90,928 |
| Non Families | $45,227 | $52,449 |
Average Income
Median Household Income
Poverty Rate