Rocky Ridge, MD ZIP Codes
One ZIP code serves Rocky Ridge, Maryland: 21778. Together they are home to 745 residents in 332 households.
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 745 |
| Households (sum of ZIP codes) | 332 |
| Median household income, range across ZIP codes | $76,458 (21778) to $76,458 (21778) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $76,458 |
| Homeowners | 81.3% |
| Households with kids under 18 | 16.0% |
| Moved in the past year | 1.2% |
| Carrier routes in EDDM2GO's route library | 1 routes, 443 homes (1 of 1 ZIP codes) |
Every ZIP code in Rocky Ridge
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21778 | Rocky Ridge | 745 | 332 | $76,458 | $382,100 | 81.3% | 16.0% | 1.2% | 1 | 451 | mailing city |
A ZIP code is listed for Rocky Ridge when at least 10% of its land lies inside the community, when it holds at least 10% of the community's land, or when its USPS mailing city is Rocky Ridge. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Rocky Ridge.
Counties
- Frederick County — 33 ZIP codes
Price a mailing to Rocky Ridge ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Rocky Ridge, MD?
- 21778. A ZIP code is listed for Rocky Ridge when at least 10% of its land lies inside the community, when it holds at least 10% of the community's land, or when its USPS mailing city is Rocky Ridge.
- What is the population of Rocky Ridge, MD?
- The 1 ZIP code that serve Rocky Ridge hold 745 residents in all.
- What is the median household income in Rocky Ridge, MD?
- Across its ZIP codes the medians run from $76,458 to $76,458.
- How many carrier routes and mailboxes are in Rocky Ridge, MD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 443 residential and 8 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.