West Middlesex, PA ZIP Codes
One ZIP code serves West Middlesex, Pennsylvania: 16159. Together they are home to 4,455 residents in 1,993 households. That is more than the 980 people counted inside West Middlesex borough limits, because these ZIP codes reach past its boundary.
West Middlesex borough limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 980 |
| Households | 402 |
| Median household income | $89,667 |
| Median home value | $158,100 |
| Median age | 43.1 |
| Median rent | $713 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,455 |
| Households (sum of ZIP codes) | 1,993 |
| Median household income, range across ZIP codes | $69,391 (16159) to $69,391 (16159) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $69,391 |
| Homeowners | 80.2% |
| Households with kids under 18 | 24.1% |
| Moved in the past year | 9.2% |
| Carrier routes in EDDM2GO's route library | 3 routes, 1,754 homes (1 of 1 ZIP codes) |
Every ZIP code in West Middlesex
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 16159 | West Middlesex | 4,455 | 1,993 | $69,391 | $178,000 | 80.2% | 24.1% | 9.2% | 3 | 1,804 | 3% of its land; mailing city |
A ZIP code is listed for West Middlesex when at least 10% of its land lies inside West Middlesex borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is West Middlesex. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside West Middlesex.
Counties
- Mercer County — 26 ZIP codes
Price a mailing to West Middlesex ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in West Middlesex, PA?
- 16159. A ZIP code is listed for West Middlesex when at least 10% of its land lies inside West Middlesex borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is West Middlesex.
- What is the population of West Middlesex, PA?
- The Census Bureau counts 980 residents inside West Middlesex borough limits (ACS 2020–2024). The 1 ZIP code that serve West Middlesex hold 4,455 residents in all.
- What is the median household income in West Middlesex, PA?
- $89,667 inside West Middlesex borough limits, per the Census Bureau. Across its ZIP codes the medians run from $69,391 to $69,391.
- How many carrier routes and mailboxes are in West Middlesex, PA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 1,754 residential and 50 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.