Zip lookup · PA

18037
Coplay, Pennsylvania.

Coplay, Lehigh County, PA · Allentown-Bethlehem-Easton, PA-NJ metro · population 7,472

What it costs per month · 18037 $1,881/mo

to buy the typical home at today's mortgage rate — +$1,096 (+139%) since Jan 2020.

What the home itself did
1 year
Up $11,735 +3%
$346,709$358,444 since Sep 2025
5 years
Up $96,549 +37%
$261,894$358,444 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 2002 2006 2010 2014 2018 2022 2026 18037 $1,881 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 18037$1,881
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 11 years.

Typical home values in zip 18037 rose 3.4% over the past year — faster than the nation's +1.2%.

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

Typical home value $358,444 as of Sep 2026
+3.4%year on year

Typical home value — 18037

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $250,000 $300,000 $350,000 2018 2020 2022 2024 2026 18037 $358,444 Allentown $363,366 United States $366,157
$200,000 $250,000 $300,000 $350,000 2018 2022 2026
  • 18037$358,444
  • Allentown$363,366
  • United States$366,157

Within 20 miles

Showing 30 of 66 zips in range — sorting picks from all 66.

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
2.8 18052 Whitehall 29,451 $1,824 $338,831
2.9 18059 Laurys Station 744 — $493,461
4.0 18078 Schnecksville 7,857 — $522,370
4.3 18067 Northampton 19,590 $1,694 $353,231
4.5 18032 Catasauqua 9,555 $1,775 $287,901
4.7 18035 Cherryville 39 — $461,779
4.9 18104 Allentown 48,683 $2,297 $399,078
5.3 18069 Orefield 8,515 $2,575 $522,204
5.8 18088 Walnutport 8,488 — $352,523
5.9 18080 Slatington 11,226 — $340,203
6.3 18102 Allentown 51,001 $1,517 $225,328
6.4 18109 Allentown 18,446 $1,554 $271,250
6.8 18101 Allentown 6,120 $1,600 $210,012
7.2 18079 Slatedale 303 — $251,504
7.8 18106 Allentown 6,226 $2,400 $445,223
8.3 18103 Allentown 48,746 $1,683 $313,587
8.5 18017 Bethlehem 40,640 $2,077 $390,629
8.5 18038 Danielsville 3,549 — $389,001
8.7 18051 Fogelsville 3,624 $2,435 $544,368
8.8 18018 Bethlehem 32,965 $1,732 $298,401
8.9 18053 Germansville 2,344 — $400,986
9.2 18014 Bath 12,097 $1,722 $397,966
9.2 18087 Trexlertown 590 — $357,559
10.4 18030 Bowmanstown 483 — $198,052
10.4 18071 Palmerton 11,313 — $257,356
10.5 18031 Breinigsville 11,570 $2,331 $488,363
10.5 18066 New Tripoli 6,102 — $456,696
11.4 18015 Bethlehem 34,852 $1,775 $292,088
11.5 18049 Emmaus 18,941 $1,898 $386,703
11.5 18020 Bethlehem 21,204 $2,599 $434,365

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