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16159 ZIP Code

West Middlesex, Pennsylvania

January 19, 2026
ZIP Code:16159
City/Town:West Middlesex
County:Mercer
State:Pennsylvania
ZIP Type:Standard
Population:4,616
Median Household Income:$64,294
Per Capita Income:$40,148
Total Housing Units:2,361
Median Home Value:$157,400
Land Area:28.1 sq miles
72.7 sq km
Water Area:0.1 sq miles
0.2 sq km
Coordinates:41.1534, -80.4753

Population Information (16159 zip code)

#%US
Total Population:4,616----
Male:2,10045.5%49.6%
Female:2,51654.5%50.4%
Median Age:54.8 yrs--38.5 yrs
Under 5 years:1523.3%5.7%
5 to 9 years:2094.5%6.0%
10 to 14 years:2485.4%6.5%
15 to 19 years:1653.6%6.6%
20 to 24 years:1623.5%6.7%
25 to 34 years:2645.7%13.7%
35 to 44 years:62213.5%12.9%
45 to 54 years:51211.1%12.4%
55 to 59 years:3918.5%6.5%
60 to 64 years:4499.7%6.4%
65 to 74 years:68814.9%9.7%
75 to 84 years:51911.2%4.8%
85 years and over:2355.1%2.0%

Housing Information (16159 zip code)

#%US
Median home value:$157,400--$281,900
Median rooms:6.2--5.5
Median rent:$747 / mo.--$1,268 / mo.
Total housing units:2,361----
Occupied housing units:2,17792.2%38.0%
Vacant housing units:1847.8%4.6%
Housing tenure:------
Owner-occupied:1,72479.2%64.8%
Renter-occupied:45320.8%35.2%

Educational Attainment (16159 zip code)

#%US
Population 25 years and over:3,680----
Less than 9th grade:80.2%4.7%
9th to 12th grade, no diploma:3278.9%6.1%
High school graduate:1,61043.8%26.4%
Some college, no degree:59716.2%19.7%
Associate degree:3469.4%8.7%
Bachelor's degree:45812.4%20.9%
Graduate or professional degree:3349.1%13.7%
Percent high school graduate or higher:--90.9%89.1%
Percent bachelor's degree or higher:--21.5%34.3%

Income Information (16159 zip code)

ValueUS
Median household income:$64,294 / yr.$75,149 / yr.
Mean household income:$81,612 / yr.$105,833 / yr.
Median family income:$84,360 / yr.$92,646 / yr.
Per capita income:$40,148 / yr.$41,261 / yr.

Employment (16159 zip code)

#%US
In labor force:2,137--63.5%
Employed:1,98893.7%96.4%
Unemployed:1336.3%5.3%
Not in labor force:1,818----
Class of Worker:------
Private wage and salary:1,54077.5%79.7%
Government workers:38519.4%14.2%
Self-employed:633.2%5.9%
Unpaid family workers:00.0%0.1%

Race & Ethnicity (16159 zip code)

#%US
Race (one race):------
White:4,42795.9%61.6%
Black or African American:741.6%12.4%
American Indian/Alaska Native:90.2%1.1%
Asian:220.5%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:390.8%8.4%
Two or more races:451.0%10.2%
Hispanic or Latino (any race):481.0%18.7%
Mexican:841.8%11.2%
Puerto Rican:200.4%1.8%
Cuban:641.4%0.7%
Other Hispanic or Latino:00.0%5.0%
Not Hispanic or Latino:00.0%81.1%

Income Distribution (16159 zip code)

Household IncomeHouseholds%US
Less than $10,000:1024.7%4.9%
$10,000 to $14,999:673.1%3.8%
$15,000 to $24,999:1215.6%7.0%
$25,000 to $34,999:24411.2%7.4%
$35,000 to $49,999:22710.4%10.7%
$50,000 to $74,999:46721.5%16.1%
$75,000 to $99,999:31214.3%12.8%
$100,000 to $149,999:48522.3%17.1%
$150,000 to $199,999:853.9%8.8%
$200,000 or more:673.1%11.4%

Commute to Work (16159 zip code)

Commute MethodWorkers%US
Drove alone:1,62381.6%67.8%
Carpooled:22211.2%8.7%
Public transportation:00.0%4.2%
Walked:472.4%2.5%
Other means:321.6%0.9%
Worked from home:432.2%13.8%
Mean travel time to work:18.7 min--26.7 min

Industry (16159 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:170.9%1.6%
Construction:603.0%6.9%
Manufacturing:41821.0%10.0%
Wholesale trade:261.3%2.4%
Retail trade:1768.9%11.0%
Transportation, warehousing, utilities:20710.4%5.8%
Information:271.4%1.9%
Finance, insurance, real estate:512.6%6.7%
Professional, scientific, management:974.9%12.1%
Education, health care, social services:66433.4%23.3%
Arts, entertainment, food services:603.0%9.0%
Other services:633.2%4.7%
Public administration:1226.1%4.7%

Poverty Status (16159 zip code)

#%US
Poverty Rate:--7.7%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (16159 zip code)

#%US
With health insurance:4,47997.0%91.3%
Private health insurance:3,54276.7%67.6%
Public health coverage:2,08445.1%35.9%
Without health insurance:1212.6%8.7%

Benefits & Assistance (16159 zip code)

Households with:#%US
Earnings:1,28158.8%77.4%
Social Security income:1,04448.0%31.0%
Retirement income:90141.4%21.8%
Supplemental Security Income (SSI):1858.5%4.5%
Cash public assistance income:452.1%1.8%
SNAP (food stamps) benefits:27912.8%11.4%

Housing Types (16159 zip code)

Structure TypeUnits%US
1-unit, detached:1,77975.3%61.4%
1-unit, attached:241.0%6.1%
2 units:210.9%3.4%
3 or 4 units:30.1%4.3%
5 to 9 units:823.5%4.6%
10 to 19 units:723.0%4.3%
20 or more units:00.0%9.9%
Mobile home:38016.1%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (16159 zip code)

Year BuiltUnits%US
Built 2020 or later:30.1%0.6%
Built 2010 to 2019:80.3%8.2%
Built 2000 to 2009:954.0%13.5%
Built 1990 to 1999:1104.7%13.2%
Built 1980 to 1989:36415.4%13.2%
Built 1970 to 1979:34414.6%14.6%
Built 1960 to 1969:42317.9%10.2%
Built 1950 to 1959:40517.2%9.9%
Built 1940 to 1949:2329.8%4.6%
Built 1939 or earlier:37716.0%12.0%

Bedrooms (16159 zip code)

Number of BedroomsUnits%US
No bedroom (studio):00.0%2.4%
1 bedroom:532.2%3.0%
2 bedrooms:65527.7%9.1%
3 bedrooms:1,23752.4%15.9%
4 bedrooms:33214.1%18.8%
5 or more bedrooms:843.6%17.6%

Heating Fuel (16159 zip code)

Fuel TypeUnits%US
Utility gas:1,51269.5%47.1%
Bottled, tank, or LP gas:1155.3%4.9%
Electricity:28313.0%40.2%
Fuel oil, kerosene, etc.:22510.3%4.2%
Coal or coke:00.0%0.1%
Wood:421.9%1.5%
Solar energy:00.0%0.1%
Other fuel:00.0%0.5%
No fuel used:00.0%0.2%

Vehicles Available (16159 zip code)

VehiclesHouseholds%US
No vehicle available:1285.9%8.3%
1 vehicle available:78135.9%32.6%
2 vehicles available:83838.5%37.0%
3 or more vehicles available:43019.8%22.1%

Home Value Distribution (16159 zip code)

Value RangeOwner Units%US
Less than $50,000:1156.7%5.7%
$50,000 to $99,999:29517.1%7.8%
$100,000 to $149,999:34920.2%9.2%
$150,000 to $199,999:52230.3%10.8%
$200,000 to $299,999:35320.5%19.9%
$300,000 to $499,999:885.1%24.1%
$500,000 to $999,999:00.0%17.0%
$1,000,000 or more:20.1%5.6%

Housing Costs (16159 zip code)

ValueUS
Median owner costs (with mortgage):$1,067 / mo.$1,828 / mo.
Median owner costs (no mortgage):$514 / mo.$584 / mo.
Median gross rent:$747 / mo.$1,268 / mo.
Average household size (owner-occupied):2.182.53
Average household size (renter-occupied):1.912.38

Households (16159 zip code)

#%US
Total households:2,177----
Married-couple households:1,07749.5%47.5%
Cohabiting couple households:30113.8%7.0%
Male householder, no spouse:39318.1%5.4%
Female householder, no spouse:67731.1%12.7%
Householder living alone:45220.8%28.6%
65 years and over living alone:1,01646.7%11.8%
Average household size:2.12--2.53
Average family size:2.65----

Marital Status (16159 zip code)

Population 15 years and over#%US
Total:1,842----
Never married:32717.8%37.0%
Now married:1,11060.3%49.5%
Separated:1035.6%1.5%
Widowed:23312.6%2.6%
Divorced:32217.5%9.3%

School Enrollment (16159 zip code)

Population 3 years and over#%US
Enrolled in school:690----
Nursery school, preschool:334.8%5.8%
Kindergarten:9313.5%5.0%
Elementary school (grades 1-8):28140.7%40.5%
High school (grades 9-12):13018.8%21.4%
College or graduate school:15322.2%27.3%

Veterans & Disability (16159 zip code)

#%US
Civilian population 18 years and over:3,846----
Veterans:3689.6%6.3%
Civilian noninstitutionalized population:4,600----
With a disability:97321.2%13.4%
Under 18 with disability:394.0%5.8%
18 to 64 with disability:39340.4%10.4%
65 and over with disability:54155.6%33.4%

Mobility (Residence 1 Year Ago) (16159 zip code)

Population 1 year and over#%US
Same house:4,13089.5%86.9%
Different house:46210.0%13.1%
Same county:25455.0%7.0%
Different county:18640.3%3.2%
Different state:7616.5%2.5%
Abroad:224.8%0.4%

Place of Birth (16159 zip code)

#%US
Native born:4,56198.8%86.2%
Foreign born:00.0%13.9%
Naturalized citizen:55--52.7%
Not a citizen:55--47.3%
Foreign-born by region:------
Europe:55--10.5%
Asia:29--31.3%
Africa:0--5.5%
Oceania:0--0.5%
Latin America:2--50.0%
Northern America:2--2.2%

Language Spoken at Home (16159 zip code)

Population 5 years and over#%US
Total:4,464----
English only:4,38198.1%78.3%
Language other than English:831.9%21.5%
By language:------
Spanish:771.7%13.3%
Other Indo-European languages:60.1%3.5%
Asian/Pacific Island languages:00.0%3.5%
Other languages:00.0%1.0%

Computers & Internet (16159 zip code)

Households%US
Households with a computer:2,177100.0%93.1%
Households with broadband internet:1,96790.4%89.4%