West Middlesex Flag

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 2026 population of 781. West Middlesex is currently declining at a rate of -0.76% annually and its population has decreased by -4.64% since the most recent census, which recorded a population of 819 in 2020.

The median household income in West Middlesex is $89,667 with a poverty rate of 1.33%. The median age in West Middlesex is 43.1 years: 43.3 years for males, and 42.1 years for females. For every 100 females there are 107.2 males.

781
Total Population
924
Density (mi²)
-6 -0.76%
Growth

West Middlesex Population

West Middlesex Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026781-6-0.76%
2025787-7-0.88%
2024794-4-0.5%
2023798-8-0.99%
2022806-9-1.1%
2021815-4-0.49%
2020819-1-0.12%
2019803-10-1.23%
2018813-8-0.97%
2017821-8-0.97%
2016829-9-1.07%
2015838-5-0.59%
2014843-6-0.71%
2013849-4-0.47%
2012853-5-0.58%
2011858-5-0.58%
2010862-1-0.12%

Median Age

Overall: 43.1 years
Female: 42.1 years
Male: 43.3 years

West Middlesex Adults

There are 746 adults, (169 of whom are seniors) in West Middlesex.

Sex Ratio

Female: 473 (48.3%)
Male: 507 (51.7%)

Demographics

The racial composition of West Middlesex includes 99.59% White, and smaller percentages for other race, Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White97699.59%
Other race20.2%
Two or more races20.2%
Race
Population ↓
Percentage (of total)
White97699.59%
Other race20.2%
Two or more races20.2%

West Middlesex Marital Status

Economics and Income Statistics

West Middlesex 's average per capita income is $47,179. Household income levels show a median of $89,667. The poverty rate stands at 1.33%.

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$117,790-
Families$102,303$97,083
Households$89,667$89,251
Non Families$47,847$61,233

$47,179

Average Income

$89,667

Median Household Income

1.33%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)