Greensboro, MD ZIP Codes
One ZIP code serves Greensboro, Maryland: 21639. Together they are home to 4,682 residents in 1,743 households. That is more than the 2,634 people counted inside Greensboro town limits, because these ZIP codes reach past its boundary.
Greensboro town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 2,634 |
| Households | 832 |
| Median household income | $53,611 |
| Median home value | $251,100 |
| Median age | 32.3 |
| Median rent | $1,073 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,682 |
| Households (sum of ZIP codes) | 1,743 |
| Median household income, range across ZIP codes | $62,772 (21639) to $62,772 (21639) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $62,772 |
| Homeowners | 72.2% |
| Households with kids under 18 | 36.5% |
| Moved in the past year | 8.2% |
| Carrier routes in EDDM2GO's route library | 3 routes, 1,797 homes (1 of 1 ZIP codes) |
Every ZIP code in Greensboro
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21639 | Greensboro | 4,682 | 1,743 | $62,772 | $269,400 | 72.2% | 36.5% | 8.2% | 3 | 1,833 | 3% of its land; mailing city |
A ZIP code is listed for Greensboro when at least 10% of its land lies inside Greensboro town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Greensboro. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Greensboro.
Counties
- Caroline County — 9 ZIP codes
Price a mailing to Greensboro ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Greensboro, MD?
- 21639. A ZIP code is listed for Greensboro when at least 10% of its land lies inside Greensboro town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Greensboro.
- What is the population of Greensboro, MD?
- The Census Bureau counts 2,634 residents inside Greensboro town limits (ACS 2020–2024). The 1 ZIP code that serve Greensboro hold 4,682 residents in all.
- What is the median household income in Greensboro, MD?
- $53,611 inside Greensboro town limits, per the Census Bureau. Across its ZIP codes the medians run from $62,772 to $62,772.
- How many carrier routes and mailboxes are in Greensboro, MD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 1,797 residential and 36 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.