Middlesex is located in Cumberland County, Pennsylvania. Middlesex has a 2025 population of 7,719. Middlesex is currently growing at a rate of 3.49% annually and its population has increased by 9.75% since the most recent census, which recorded a population of 7,033 in 2020.
The average household income in Middlesex is $90,547 with a poverty rate of 8.79%. The median age in Middlesex is 47.1 years: 46.3 years for males, and 47.8 years for females.
Data after 2023 is projected based on recent change
The racial composition of Middlesex includes 92.26% White, and smaller percentages for Asian, Black or African American, other race and multiracial populations.
White (92.3%)
Two or more races (3.4%)
Asian (2.2%)
Black or African American (1.8%)
Other race (0.3%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6,560 | 92.26% |
| Two or more races | 243 | 3.42% |
| Asian | 158 | 2.22% |
| Black or African American | 127 | 1.79% |
| Other race | 22 | 0.31% |
Married
Widowed
Divorced
Separated
Never Married
Middlesex's average per capita income is $45,331. Household income levels show a median of $65,353. The poverty rate stands at 8.79%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,521 | - |
| Families | $75,129 | $104,070 |
| Households | $65,353 | $90,547 |
| Non Families | $42,750 | $64,181 |
Average Income
Median Household Income
Poverty Rate