Middletown (Northampton County), PA ZIP Codes
One ZIP code serves Middletown (Northampton County), Pennsylvania: 18020. Together they are home to 21,204 residents in 7,791 households. That is more than the 7,628 people counted inside Middletown (Northampton County) Census-designated place, because these ZIP codes reach past its boundary.
Middletown (Northampton County) Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 7,628 |
| Households | 3,030 |
| Median household income | $97,607 |
| Median home value | $322,000 |
| Median age | 46.9 |
| Median rent | $1,545 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 21,204 |
| Households (sum of ZIP codes) | 7,791 |
| Median household income, range across ZIP codes | $126,166 (18020) to $126,166 (18020) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $126,166 |
| Homeowners | 85.8% |
| Households with kids under 18 | 30.4% |
| Moved in the past year | 7.1% |
| Carrier routes in EDDM2GO's route library | 18 routes, 8,347 homes (1 of 1 ZIP codes) |
Every ZIP code in Middletown (Northampton County)
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18020 | Bethlehem | 21,204 | 7,791 | $126,166 | $370,200 | 85.8% | 30.4% | 7.1% | 18 | 8,979 | 20% of its land |
A ZIP code is listed for Middletown (Northampton County) when at least 10% of its land lies inside the Middletown (Northampton County) Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Middletown (Northampton County). The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Middletown (Northampton County).
Counties
- Northampton County — 24 ZIP codes
Nearby cities sharing these ZIP codes
- Bethlehem — 4 ZIP codes
Price a mailing to Middletown (Northampton County) ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Middletown (Northampton County), PA?
- 18020. A ZIP code is listed for Middletown (Northampton County) when at least 10% of its land lies inside the Middletown (Northampton County) Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Middletown (Northampton County).
- What is the population of Middletown (Northampton County), PA?
- The Census Bureau counts 7,628 residents inside Middletown (Northampton County) Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Middletown (Northampton County) hold 21,204 residents in all.
- What is the median household income in Middletown (Northampton County), PA?
- $97,607 inside Middletown (Northampton County) Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $126,166 to $126,166.
- How many carrier routes and mailboxes are in Middletown (Northampton County), PA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 18 carrier routes reaching 8,347 residential and 632 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.