Zip lookup · MD

21770
Monrovia, Maryland.

Monrovia, Frederick County, MD · Washington-Arlington-Alexandria, DC-VA-MD-WV metro · population 8,751

What it costs per month · 21770 $3,425/mo

to buy the typical home at today's mortgage rate — +$1,752 (+105%) since Jan 2020.

What the home itself did
1 year
Up $2,727 +0%
$649,819$652,546 since Sep 2025
5 years
Up $100,346 +18%
$552,201$652,546 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.

$1,000 $2,000 $3,000 2002 2006 2010 2014 2018 2022 2026 21770 $3,425 United States $1,922
$1,000 $2,000 $3,000 2002 2010 2018 2026
  • 21770$3,425
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 21 years.

Typical home values in zip 21770 rose 0.4% over the past year — slower than the nation's +1.2%.

Zillow also publishes an index for the city itself: Monrovia, MD — measured over the city limits, which is a different area from this zip.

Typical home value $652,546 as of Sep 2026
+0.4%year on year

Typical home value — 21770

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $400,000 $600,000 2018 2020 2022 2024 2026 21770 $652,546 Washington $569,857 United States $366,157
$200,000 $400,000 $600,000 2018 2022 2026
  • 21770$652,546
  • Washington$569,857
  • United States$366,157

Within 20 miles

Showing 30 of 54 zips in range — sorting picks from all 54.

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
3.1 21754 Ijamsville 8,156 — $680,004
4.0 21774 New Market 17,134 $2,821 $591,215
4.8 20872 Damascus 13,983 — $540,987
6.1 21771 Mount Airy 33,031 $2,562 $625,933
6.2 21704 Frederick 20,006 $2,994 $644,613
6.6 20871 Clarksburg 30,182 $3,062 $624,133
7.7 21701 Frederick 43,048 $2,158 $443,257
8.9 21762 Libertytown 139 — $324,370
10.1 21797 Woodbine 8,643 — $800,294
10.1 20876 Germantown 26,406 $2,121 $473,455
10.3 20882 Gaithersburg 13,751 — $785,756
10.5 21793 Walkersville 10,719 $2,000 $460,763
10.8 20838 Barnesville 306 — $704,561
10.9 21710 Adamstown 4,661 — $653,366
11.4 21703 Frederick 41,960 $2,296 $410,271
12.1 20841 Boyds 9,969 — $822,871
12.4 20886 Montgomery Village 34,718 $2,415 $381,090
13.1 21798 Woodsboro 2,928 — $500,713
13.3 21723 Cooksville 669 — $910,236
13.4 20842 Dickerson 2,369 — $730,463
13.4 20879 Gaithersburg 25,264 $1,995 $433,074
13.4 21738 Glenwood 3,696 — $977,442
13.7 21791 Union Bridge 5,340 — $444,900
13.8 21702 Frederick 49,605 $1,958 $451,936
14.1 21776 New Windsor 6,261 — $481,505
14.4 21737 Glenelg 2,474 — $1,193,112
14.6 20839 Bealsville 158 — $653,359
14.8 20833 Brookeville 7,860 — $801,829
15.1 20877 Gaithersburg 38,546 $2,051 $467,760
15.3 20880 Washington Grove 577 — $610,898

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.