West Middlesex

County:: Mercer County
County Seat:: No
Area (mi²):: 0.845
State:: Pennsylvania

West Middlesex is a borough located in Mercer County, Pennsylvania. West Middlesex has a 2025 population of 780. West Middlesex is currently declining at a rate of -0.89% annually and its population has decreased by -4.29% since the most recent census, which recorded a population of 815 in 2020.

The average household income in West Middlesex is $85,674 with a poverty rate of 2.35%.The median age in West Middlesex is 43.2 years: 43.2 years for males, and 43.1 years for females.

Demographics

The racial composition of West Middlesex includes 98.59% White, and smaller percentages for Two or more races, Asian, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,048	98.59%
Two or more races	8	0.75%
Asian	5	0.47%
Other race	2	0.19%

West Middlesex Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

West Middlesex's average per capita income is $45,357. Household income levels show a median of $82,500. The poverty rate stands at 2.35%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$115,197	-
Families	$97,917	$95,166
Households	$82,500	$85,674
Non Families	$45,125	$58,716

$45,357

Average Income

$82,500

Median Household Income

2.35%

Poverty Rate