Wilmington is located in Mercer County, Pennsylvania. Wilmington has a 2025 population of 1,424 . Wilmington is currently growing at a rate of 0.49% annually and its population has increased by 1.14% since the most recent census, which recorded a population of 1,408 in 2020.
The average household income in Wilmington is $103,983 with a poverty rate of 12.43%. The median age in Wilmington is 33.9 years: 32.6 years for males, and 35.6 years for females. For every 100 females there are 91.8 males.
Data after 2023 is projected based on recent change
The racial composition of Wilmington includes 98.2% White, and smaller percentages for Two or more races and multiracial populations.
White (98.2%)
Two or more races (1.8%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,422 | 98.2% |
| Two or more races | 26 | 1.8% |
Married
Widowed
Divorced
Separated
Never Married
Wilmington's average per capita income is $48,889. Household income levels show a median of $77,500. The poverty rate stands at 12.43%.
Name | Median | Mean |
|---|---|---|
| Families | $107,955 | $127,906 |
| Married Families | $107,125 | - |
| Households | $77,500 | $103,983 |
| Non Families | $31,875 | $51,230 |
Average Income
Median Household Income
Poverty Rate