New London, NH 03257 ZIP Code Profile

Related Place Profiles:
New London, NH | Sutton, NH

Camera Icon Photos of the local New London, NH area

ZIP Code 03257: Basic Data & USPS Preferred City Name

Preferred Name, USPS
New London, NH 03257

Not Acceptable, USPS
Sutton, NH 03257

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 321
  • Single Family Addresses: 909
  • Multi-Family Addresses: 231
  • County: Merrimack County
  • Centroid: Latitude 43.419, Longitude -71.993
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 03257 has segments in 2 Counties (Merrimack, Sullivan).

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


03257 ZIP Code Map

Search the map for:

New London, NH 03257 Data & Demographics (As of July 1, 2016)


Total Population 4,725
Population in Households 3,762
Population in Familes 2,923
Population in Group Qrtrs 963
Population Density1 195
Diversity Index2 13


Total Households 1,806
Average Household Size 2.08
Family Households 1,112
Average Family Size 3


Total Housing Units 2,388 (100%)
Owner Occupied HU 1,413 (59.2%)
Renter Occupied HU 393 (16.5%)
Vacant Housing Units 582 (24.4%)
Median Home Value $414,312
Average Home Value $493,701


Median Household Income $73,553
Average Household Income $112,537
Per Capita Income $45,296
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.31% 0.89%
Households 1.55% 1.16%
Families 1.38% 1.06%
Median Household Income   1.63%
Per Capita Income   2.02%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

New London, NH 03257 - Peer Comparisons by Rank and Percentile

The table below compares 03257 to the other 242 ZIP Codes in New Hampshire by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 84 66th
Population Density1 # 77 69th
Diversity Index2 # 67 73rd
Median Household Income # 74 70th
Per Capita Income # 25 90th

Additional comparisons and rankings can be made with a VERY EASY TO USE New Hampshire Census Data Comparison Tool.