Williamsport is located in Shawnee County, Kansas. Williamsport has a 2025 population of 4,323 . Williamsport is currently growing at a rate of 0.42% annually and its population has increased by 0.82% since the most recent census, which recorded a population of 4,288 in 2020.
The average household income in Williamsport is $83,421 with a poverty rate of 14.85%. The median age in Williamsport is 29.8 years: 29.1 years for males, and 34.3 years for females. For every 100 females there are 121.3 males.
Data after 2023 is projected based on recent change
The racial composition of Williamsport includes 67.06% White, 21.88% Black or African American, 4.7% other race, and smaller percentages for Asian and multiracial populations.
White (67.06%)
Black or African American (21.88%)
Two or more races (6.29%)
Other race (4.7%)
Asian (0.07%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,868 | 67.06% |
| Black or African American | 936 | 21.88% |
| Two or more races | 269 | 6.29% |
| Other race | 201 | 4.7% |
| Asian | 3 | 0.07% |
Married
Widowed
Divorced
Separated
Never Married
Williamsport's average per capita income is $41,829. Household income levels show a median of $62,826. The poverty rate stands at 14.85%.
Name | Median | Mean |
|---|---|---|
| Married Families | $103,240 | - |
| Families | $82,667 | $91,145 |
| Households | $62,826 | $83,421 |
| Non Families | $42,969 | $50,219 |
Average Income
Median Household Income
Poverty Rate