Darlington, MD ZIP Codes
One ZIP code serves Darlington, Maryland: 21034. Together they are home to 2,846 residents in 1,132 households. That is more than the 353 people counted inside Darlington Census-designated place, because these ZIP codes reach past its boundary.
Darlington Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 353 |
| Households | 160 |
| Median household income | $81,875 |
| Median home value | $402,900 |
| Median age | 44.1 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 2,846 |
| Households (sum of ZIP codes) | 1,132 |
| Median household income, range across ZIP codes | $78,047 (21034) to $78,047 (21034) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $78,047 |
| Homeowners | 89.8% |
| Households with kids under 18 | 29.9% |
| Moved in the past year | 3.0% |
| Carrier routes in EDDM2GO's route library | 3 routes, 1,404 homes (1 of 1 ZIP codes) |
Every ZIP code in Darlington
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21034 | Darlington | 2,846 | 1,132 | $78,047 | $401,500 | 89.8% | 29.9% | 3.0% | 3 | 1,446 | 4% of its land; mailing city |
A ZIP code is listed for Darlington when at least 10% of its land lies inside the Darlington Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Darlington. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Darlington.
Counties
- Harford County — 22 ZIP codes
Price a mailing to Darlington ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Darlington, MD?
- 21034. A ZIP code is listed for Darlington when at least 10% of its land lies inside the Darlington Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Darlington.
- What is the population of Darlington, MD?
- The Census Bureau counts 353 residents inside Darlington Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Darlington hold 2,846 residents in all.
- What is the median household income in Darlington, MD?
- $81,875 inside Darlington Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $78,047 to $78,047.
- How many carrier routes and mailboxes are in Darlington, MD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 1,404 residential and 42 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.