Green Valley, MD ZIP Codes
3 ZIP codes serve Green Valley, Maryland: 21771, 21770 and 21754. Together they are home to 49,938 residents in 16,508 households. That is more than the 13,602 people counted inside Green Valley Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $157,302 in 21771 to $183,571 in 21770.
Green Valley Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 13,602 |
| Households | 4,246 |
| Median household income | $171,707 |
| Median home value | $594,300 |
| Median age | 40.9 |
| Median rent | $3,000 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 49,938 |
| Households (sum of ZIP codes) | 16,508 |
| Median household income, range across ZIP codes | $157,302 (21771) to $183,571 (21770) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $165,484 |
| Homeowners | 95.1% |
| Households with kids under 18 | 38.0% |
| Moved in the past year | 8.6% |
| Carrier routes in EDDM2GO's route library | 32 routes, 16,664 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Green Valley: 21770 ($183,571)
- Most residents: 21771 (33,031 people)
- Highest homeownership: 21770 (98.8% own their home)
- Most households with kids: 21770 (47.7% of households)
- Most new movers: 21771 (9.7% moved in last year)
- Youngest median age: 21770 (39.8 years)
- Highest median home value: 21754 ($647,300)
Every ZIP code in Green Valley
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21771 | Mount Airy | 33,031 | 11,226 | $157,302 | $556,200 | 94.0% | 35.1% | 9.7% | 20 | 11,600 | 7% of its land |
| 21770 | Monrovia | 8,751 | 2,622 | $183,571 | $632,500 | 98.8% | 47.7% | 6.4% | 6 | 3,064 | 60% of its land |
| 21754 | Ijamsville | 8,156 | 2,660 | $182,188 | $647,300 | 96.2% | 40.6% | 6.6% | 6 | 2,752 | 12% of its land |
A ZIP code is listed for Green Valley when at least 10% of its land lies inside the Green Valley Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Green Valley. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Green Valley.
Counties
- Frederick County — 33 ZIP codes
- Montgomery County — 48 ZIP codes
Nearby cities sharing these ZIP codes
- Mount Airy — 1 ZIP code
- Urbana — 2 ZIP codes
Price a mailing to Green Valley ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Green Valley, MD?
- 21771, 21770 and 21754. A ZIP code is listed for Green Valley when at least 10% of its land lies inside the Green Valley Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Green Valley.
- What is the population of Green Valley, MD?
- The Census Bureau counts 13,602 residents inside Green Valley Census-designated place (ACS 2020–2024). The 3 ZIP codes that serve Green Valley hold 49,938 residents in all.
- What is the median household income in Green Valley, MD?
- $171,707 inside Green Valley Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $157,302 to $183,571.
- Which Green Valley ZIP code has the highest median household income?
- 21770, at $183,571, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Green Valley, MD?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 32 carrier routes reaching 16,664 residential and 747 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.