Zip lookup · NH

03257
New London, New Hampshire.

New London, Merrimack County, NH · Concord, NH metro · population 4,484

What it costs per month · 03257 $3,631/mo

to buy the typical home at today's mortgage rate — +$2,142 (+144%) since Jan 2020.

What the home itself did
1 year
Up $14,506 +2%
$677,301$691,807 since Sep 2025
5 years
Up $150,284 +28%
$541,523$691,807 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 03257 $3,631 United States $1,922
$1,000 $2,000 $3,000 2002 2010 2018 2026
  • 03257$3,631
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 14 years.

Typical home values in zip 03257 rose 2.1% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Merrimack County, NH 97% · Sullivan County, NH 3%

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

Typical home value $691,807 as of Sep 2026
+2.1%year on year

Typical home value — 03257

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $400,000 $600,000 2018 2020 2022 2024 2026 03257 $691,807 Concord $486,263 United States $366,157
$200,000 $400,000 $600,000 2018 2022 2026
  • 03257$691,807
  • Concord$486,263
  • United States$366,157

Within 20 miles

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
4.4 03287 Wilmot 1,487 — $517,217
5.4 03782 Sunapee 3,122 — $687,023
5.6 03284 Springfield 890 — $482,441
7.3 03255 Newbury 2,015 — $600,356
9.9 03230 Danbury 1,451 — $387,119
10.1 03216 Andover 2,046 — $465,639
10.4 03753 Grantham 3,509 — $503,155
10.7 03773 Newport 7,681 $1,575 $347,553
10.8 03752 Goshen 1,042 — $382,175
11.0 03240 Grafton 1,354 — $315,403
11.4 03221 Bradford 2,200 — $464,011
11.8 03278 Warner 3,079 — $459,501
11.9 03268 Salisbury 1,468 — $459,265
13.7 03243 Hill 952 — $422,376
14.2 03748 Enfield 4,563 — $464,920
15.9 03770 Meriden 604 — $571,885
16.1 03235 Franklin 8,903 $1,888 $380,448
16.2 03605 Lempster 907 — $322,919
16.9 03280 Washington 1,224 — $385,367
17.0 03745 Cornish 1,816 — $452,633
17.2 03743 Claremont 13,704 $1,772 $282,612
17.4 03781 Plainfield 1,918 — $524,211
17.6 03741 Canaan 4,131 — $390,361
18.0 03222 Bristol 6,097 — $432,806
18.0 03303 Concord 16,571 $1,922 $423,328
18.9 03242 Henniker 6,197 — $493,704
19.5 03766 Lebanon 11,195 $2,530 $447,062
19.8 03601 Acworth 382 — $350,345

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