Northumberland, PA ZIP Codes
One ZIP code serves Northumberland, Pennsylvania: 17857. Together they are home to 7,671 residents in 3,470 households. That is more than the 3,866 people counted inside Northumberland borough limits, because these ZIP codes reach past its boundary.
Northumberland borough limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 3,866 |
| Households | 1,726 |
| Median household income | $66,477 |
| Median home value | $162,600 |
| Median age | 41 |
| Median rent | $897 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,671 |
| Households (sum of ZIP codes) | 3,470 |
| Median household income, range across ZIP codes | $67,298 (17857) to $67,298 (17857) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $67,298 |
| Homeowners | 77.5% |
| Households with kids under 18 | 27.2% |
| Moved in the past year | 7.9% |
| Carrier routes in EDDM2GO's route library | 6 routes, 3,453 homes (1 of 1 ZIP codes) |
Every ZIP code in Northumberland
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 17857 | Northumberland | 7,671 | 3,470 | $67,298 | $202,200 | 77.5% | 27.2% | 7.9% | 6 | 3,632 | 6% of its land; mailing city |
A ZIP code is listed for Northumberland when at least 10% of its land lies inside Northumberland borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Northumberland. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Northumberland.
Counties
- Northumberland County — 28 ZIP codes
Price a mailing to Northumberland ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Northumberland, PA?
- 17857. A ZIP code is listed for Northumberland when at least 10% of its land lies inside Northumberland borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Northumberland.
- What is the population of Northumberland, PA?
- The Census Bureau counts 3,866 residents inside Northumberland borough limits (ACS 2020–2024). The 1 ZIP code that serve Northumberland hold 7,671 residents in all.
- What is the median household income in Northumberland, PA?
- $66,477 inside Northumberland borough limits, per the Census Bureau. Across its ZIP codes the medians run from $67,298 to $67,298.
- How many carrier routes and mailboxes are in Northumberland, PA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 6 carrier routes reaching 3,453 residential and 179 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.