21778
Rocky Ridge, Maryland.
Rocky Ridge, Frederick County, MD · Washington-Arlington-Alexandria, DC-VA-MD-WV metro · population 745
to buy the typical home at today's mortgage rate — +$1,266 (+121%) since Jan 2020.
- 1 year
- Up $1,568 +0%
- $438,570$440,138 since Sep 2025
- 5 years
- Up $89,858 +26%
- $350,280$440,138 since Sep 2021
Monthly payment to buy the typical home
Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.
- 21778$2,310
- United States$1,922
At the last five years' pace, a typical home here doubles in price every 15 years.
Typical home values in zip 21778 rose 0.4% over the past year — slower than the nation's +1.2%.
Zillow also publishes an index for the city itself: Rocky Ridge, MD — measured over the city limits, which is a different area from this zip.
Typical home value — 21778
Mid-tier homes, smoothed and seasonally adjusted.
- 21778$440,138
- Washington$569,857
- United States$366,157
Within 20 miles
Showing 30 of 34 zips in range — sorting picks from all 34.
| Miles sorted ascending, activate to sort descending | Zip activate to sort by Zip | City activate to sort by City | Population activate to sort by Population | Rent activate to sort by Rent | Home value activate to sort by Home value |
|---|---|---|---|---|---|
| 4.3 | 21757 | Keymar | 2,671 | — | $454,316 |
| 4.6 | 21788 | Thurmont | 11,654 | $2,262 | $391,478 |
| 5.0 | 21727 | Emmitsburg | 6,052 | $1,188 | $368,546 |
| 5.7 | 21798 | Woodsboro | 2,928 | — | $500,713 |
| 8.1 | 21780 | Sabillasville | 2,159 | — | $405,225 |
| 8.7 | 21793 | Walkersville | 10,719 | $2,000 | $460,763 |
| 9.5 | 21791 | Union Bridge | 5,340 | — | $444,900 |
| 9.6 | 21787 | Taneytown | 11,645 | — | $395,611 |
| 10.5 | 21762 | Libertytown | 139 | — | $324,370 |
| 10.6 | 21719 | Cascade | 1,178 | — | $291,239 |
| 10.9 | 17320 | Fairfield | 8,124 | — | $348,249 |
| 11.3 | 21702 | Frederick | 49,605 | $1,958 | $451,936 |
| 11.6 | 17214 | Blue Ridge Summit | 1,143 | — | $282,437 |
| 11.6 | 21701 | Frederick | 43,048 | $2,158 | $443,257 |
| 12.0 | 21783 | Smithsburg | 9,910 | — | $370,274 |
| 12.7 | 21773 | Myersville | 5,826 | — | $547,465 |
| 14.1 | 21776 | New Windsor | 6,261 | — | $481,505 |
| 14.6 | 21774 | New Market | 17,134 | $2,821 | $591,215 |
| 15.4 | 17340 | Littlestown | 11,405 | $1,145 | $339,563 |
| 15.8 | 17325 | Gettysburg | 30,373 | $1,432 | $368,178 |
| 16.4 | 21158 | Westminster | 22,083 | $1,997 | $466,583 |
| 16.7 | 17268 | Waynesboro | 29,362 | $1,385 | $276,629 |
| 16.9 | 21769 | Middletown | 11,965 | $1,824 | $558,052 |
| 17.6 | 21742 | Hagerstown | 34,069 | $1,587 | $344,405 |
| 18.0 | 21771 | Mount Airy | 33,031 | $2,562 | $625,933 |
| 18.4 | 21704 | Frederick | 20,006 | $2,994 | $644,613 |
| 18.4 | 21703 | Frederick | 41,960 | $2,296 | $410,271 |
| 18.7 | 21770 | Monrovia | 8,751 | — | $652,546 |
| 18.7 | 17237 | Mont Alto | 1,759 | — | $228,940 |
| 18.7 | 21713 | Boonsboro | 9,846 | — | $409,288 |
Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.