Zip lookup · MD

21155
Upperco, Maryland.

Upperco, Baltimore County, MD · Baltimore-Columbia-Towson, MD metro · population 3,313

What it costs per month · 21155 $2,817/mo

to buy the typical home at today's mortgage rate — +$1,451 (+106%) since Jan 2020.

What the home itself did
1 year
Up $15,891 +3%
$520,833$536,724 since Sep 2025
5 years
Up $86,453 +19%
$450,271$536,724 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.

$500 $1,000 $1,500 $2,000 $2,500 2002 2006 2010 2014 2018 2022 2026 21155 $2,817 United States $1,922
$500 $1,000 $1,500 $2,000 $2,500 2002 2010 2018 2026
  • 21155$2,817
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 20 years.

Typical home values in zip 21155 rose 3.1% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Baltimore County, MD 89% · Carroll County, MD 11%

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

Typical home value $536,724 as of Sep 2026
+3.1%year on year

Typical home value — 21155

Mid-tier homes, smoothed and seasonally adjusted.

$300,000 $400,000 $500,000 2018 2020 2022 2024 2026 21155 $536,724 Baltimore $396,959 United States $366,157
$300,000 $400,000 $500,000 2018 2022 2026
  • 21155$536,724
  • Baltimore$396,959
  • United States$366,157

Within 20 miles

Showing 30 of 52 zips in range — sorting picks from all 52.

10 mi 20 mi 50 mi
Miles Zip City Population Rent Home value
3.7 21074 Hampstead 14,777 — $431,878
5.8 21136 Reisterstown 32,088 $1,469 $407,137
6.0 21071 Glyndon 404 — $490,124
6.8 21152 Sparks Glencoe 6,459 — $521,660
7.7 21048 Finksburg 10,481 — $555,748
8.3 21102 Manchester 12,162 — $461,243
8.6 21120 Parkton 7,440 — $642,287
9.4 21030 Cockeysville 25,827 $1,884 $466,577
9.5 21157 Westminster 38,984 $1,619 $460,921
9.7 21053 Freeland 2,929 — $574,652
10.1 21117 Owings Mills 62,816 $1,877 $384,367
12.0 21153 Stevenson 456 — $1,099,138
12.0 21111 Monkton 4,714 — $720,188
12.7 21093 Lutherville Timonium 39,100 $1,963 $502,253
13.1 21158 Westminster 22,083 $1,997 $466,583
13.2 21131 Phoenix 7,141 — $752,316
13.4 17329 Glenville 2,999 — $423,978
13.5 21133 Randallstown 31,398 $1,481 $361,654
13.7 21208 Pikesville 37,276 $2,157 $372,458
14.2 21161 White Hall 5,221 — $562,304
14.3 17349 New Freedom 8,254 $1,472 $424,244
14.6 17327 Glen Rock 7,828 — $371,044
14.8 21784 Sykesville 39,258 $2,103 $553,043
14.9 21204 Towson 19,845 $1,943 $590,649
15.1 17361 Shrewsbury 6,156 — $357,022
15.6 21209 Baltimore 30,126 $1,754 $444,961
16.2 21104 Marriottsville 6,052 — $716,377
16.2 21163 Woodstock 7,539 — $649,015
16.3 21776 New Windsor 6,261 — $481,505
16.5 21244 Windsor Mill 38,208 $1,510 $321,947

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