Marlborough, NH ZIP Codes
One ZIP code serves Marlborough, New Hampshire: 03455. Together they are home to 2,242 residents in 983 households. That is more than the 1,048 people counted inside Marlborough Census-designated place, because these ZIP codes reach past its boundary.
Marlborough Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 1,048 |
| Households | 511 |
| Median household income | $67,356 |
| Median home value | $261,700 |
| Median age | 47.6 |
| Median rent | $973 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 2,242 |
| Households (sum of ZIP codes) | 983 |
| Median household income, range across ZIP codes | $69,395 (03455) to $69,395 (03455) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $69,395 |
| Homeowners | 68.7% |
| Households with kids under 18 | 29.4% |
| Moved in the past year | 5.2% |
| Carrier routes in EDDM2GO's route library | 2 routes, 717 homes (1 of 1 ZIP codes) |
Every ZIP code in Marlborough
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 03455 | Marlborough | 2,242 | 983 | $69,395 | $268,000 | 68.7% | 29.4% | 5.2% | 2 | 734 | 7% of its land; mailing city |
A ZIP code is listed for Marlborough when at least 10% of its land lies inside the Marlborough Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Marlborough. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Marlborough.
Counties
- Cheshire County — 25 ZIP codes
Price a mailing to Marlborough ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Marlborough, NH?
- 03455. A ZIP code is listed for Marlborough when at least 10% of its land lies inside the Marlborough Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Marlborough.
- What is the population of Marlborough, NH?
- The Census Bureau counts 1,048 residents inside Marlborough Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Marlborough hold 2,242 residents in all.
- What is the median household income in Marlborough, NH?
- $67,356 inside Marlborough Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $69,395 to $69,395.
- How many carrier routes and mailboxes are in Marlborough, NH?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 717 residential and 17 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.