West Deer is located in Allegheny County, Pennsylvania. West Deer has a 2025 population of 12,318 . West Deer is currently growing at a rate of 0.62% annually and its population has increased by 0.39% since the most recent census, which recorded a population of 12,270 in 2020.
The average household income in West Deer is $113,692 with a poverty rate of 7.9%. The median age in West Deer is 50.7 years: 48.5 years for males, and 52.7 years for females. For every 100 females there are 94.5 males.
Data after 2023 is projected based on recent change
The racial composition of West Deer includes 95.64% White, and smaller percentages for Black or African American and multiracial populations.
White (95.64%)
Two or more races (4.19%)
Black or African American (0.16%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 11,697 | 95.64% |
| Two or more races | 513 | 4.19% |
| Black or African American | 20 | 0.16% |
Married
Widowed
Divorced
Separated
Never Married
West Deer's average per capita income is $54,993. Household income levels show a median of $91,327. The poverty rate stands at 7.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $114,821 | - |
| Families | $107,184 | $131,886 |
| Households | $91,327 | $113,692 |
| Non Families | $49,659 | $63,512 |
Average Income
Median Household Income
Poverty Rate