Lower Allen is located in Cumberland County, Pennsylvania. Lower Allen has a 2025 population of 21,307. Lower Allen is currently growing at a rate of 2.08% annually and its population has increased by 5.84% since the most recent census, which recorded a population of 20,132 in 2020.
The average household income in Lower Allen is $109,508 with a poverty rate of 7.32%. The median age in Lower Allen is 38.9 years: 38.9 years for males, and 39.1 years for females.
Data after 2023 is projected based on recent change
The racial composition of Lower Allen includes 76.95% White, 11.43% Black or African American, 3.21% Asian, and smaller percentages for other race, Native American and multiracial populations.
White (77.0%)
Black or African American (11.4%)
Two or more races (5.9%)
Asian (3.2%)
Other race (2.4%)
Native American (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 15,651 | 76.95% |
| Black or African American | 2,324 | 11.43% |
| Two or more races | 1,209 | 5.94% |
| Asian | 652 | 3.21% |
| Other race | 490 | 2.41% |
| Native American | 14 | 0.07% |
Married
Widowed
Divorced
Separated
Never Married
Lower Allen's average per capita income is $58,608. Household income levels show a median of $86,410. The poverty rate stands at 7.32%.
Name | Median | Mean |
|---|---|---|
| Married Families | $115,457 | - |
| Families | $106,699 | $128,460 |
| Households | $86,410 | $109,508 |
| Non Families | $64,253 | $80,398 |
Average Income
Median Household Income
Poverty Rate