Berwick, PA ZIP Codes
One ZIP code serves Berwick, Pennsylvania: 18603. Together they are home to 18,827 residents in 8,283 households. That is more than the 10,317 people counted inside Berwick borough limits, because these ZIP codes reach past its boundary.
Berwick borough limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 10,317 |
| Households | 4,643 |
| Median household income | $49,800 |
| Median home value | $156,500 |
| Median age | 40.5 |
| Median rent | $797 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 18,827 |
| Households (sum of ZIP codes) | 8,283 |
| Median household income, range across ZIP codes | $60,352 (18603) to $60,352 (18603) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $60,352 |
| Homeowners | 71.7% |
| Households with kids under 18 | 23.3% |
| Moved in the past year | 8.4% |
| Carrier routes in EDDM2GO's route library | 16 routes, 8,210 homes (1 of 1 ZIP codes) |
Every ZIP code in Berwick
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18603 | Berwick | 18,827 | 8,283 | $60,352 | $170,500 | 71.7% | 23.3% | 8.4% | 16 | 8,704 | 6% of its land; mailing city |
A ZIP code is listed for Berwick when at least 10% of its land lies inside Berwick borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Berwick. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Berwick.
Counties
- Columbia County — 15 ZIP codes
Price a mailing to Berwick ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Berwick, PA?
- 18603. A ZIP code is listed for Berwick when at least 10% of its land lies inside Berwick borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Berwick.
- What is the population of Berwick, PA?
- The Census Bureau counts 10,317 residents inside Berwick borough limits (ACS 2020–2024). The 1 ZIP code that serve Berwick hold 18,827 residents in all.
- What is the median household income in Berwick, PA?
- $49,800 inside Berwick borough limits, per the Census Bureau. Across its ZIP codes the medians run from $60,352 to $60,352.
- How many carrier routes and mailboxes are in Berwick, PA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 16 carrier routes reaching 8,210 residential and 482 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.