Delmar, MD ZIP Codes
One ZIP code serves Delmar, Maryland: 21875. Together they are home to 7,646 residents in 3,173 households. That is more than the 4,261 people counted inside Delmar town limits, because these ZIP codes reach past its boundary.
Delmar town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 4,261 |
| Households | 1,802 |
| Median household income | $85,174 |
| Median home value | $226,500 |
| Median age | 32.5 |
| Median rent | $1,607 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,646 |
| Households (sum of ZIP codes) | 3,173 |
| Median household income, range across ZIP codes | $83,665 (21875) to $83,665 (21875) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $83,665 |
| Homeowners | 68.5% |
| Households with kids under 18 | 26.9% |
| Moved in the past year | 5.7% |
| Carrier routes in EDDM2GO's route library | 6 routes, 3,252 homes (1 of 1 ZIP codes) |
Every ZIP code in Delmar
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21875 | Delmar | 7,646 | 3,173 | $83,665 | $234,500 | 68.5% | 26.9% | 5.7% | 6 | 3,350 | 7% of its land; mailing city |
A ZIP code is listed for Delmar when at least 10% of its land lies inside Delmar town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Delmar. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Delmar.
Counties
- Wicomico County — 16 ZIP codes
Price a mailing to Delmar ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Delmar, MD?
- 21875. A ZIP code is listed for Delmar when at least 10% of its land lies inside Delmar town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Delmar.
- What is the population of Delmar, MD?
- The Census Bureau counts 4,261 residents inside Delmar town limits (ACS 2020–2024). The 1 ZIP code that serve Delmar hold 7,646 residents in all.
- What is the median household income in Delmar, MD?
- $85,174 inside Delmar town limits, per the Census Bureau. Across its ZIP codes the medians run from $83,665 to $83,665.
- How many carrier routes and mailboxes are in Delmar, MD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 6 carrier routes reaching 3,252 residential and 99 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.