ZIP Code 03257 - New London New Hampshire

03257 Overview

ZIP Code 03257 is located in New London New Hampshire. Portions of 03257 are also in New London (town) and Sutton and Springfield and Wilmot. 03257 is primarily within Merrimack County, with some portions in Sullivan County. Regionally, 03257 is located in the Southern New Hampshire Region.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 03257 Quick Stats

ZIP Code NameNew London
Primary CountyMerrimack County
ZIP Code TypeStandard
Population (2022)4,381
Area Code(s)603
Current Time
EST

ZIP Code 03257 Map

03257 Demographics

03257 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in New Hampshire based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 03257 is White. The majority race/ethnicity attending public schools in 03257 is White. The current unemployment level in 03257 is 2.0%.

Population4,381
Population Growth Rate-9.55%
Population Density132 People per Square Mile
Total Households1,640
Percentage High Income Households11.8%
Median Household Income (2021)$81,984
Average Adjusted Gross Income (2021)$779,840
Current Unemployment Rate (November 2024)2.0%
Majority Race/EthnictyWhite - 95.25%
Public School Majority Race/EthnictyWhite - 94.78%

03257 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White4,00795.25%
Black491.16%
Hispanic1273.02%
Asian240.57%
Native American00%
Hawaiian/Pac. Islander00%

03257 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White32797.03%
Black20.59%
Hispanic30.89%
Asian51.48%
Native American00%
Hawaiian/Pac. Islander00%

03257 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College471.74%
Bachelor Degree1,07039.57%
High School Diploma2438.99%
No High School Diploma00%
GED or Alternate190.7%
1 or More Years of College30611.32%
Associates Degree2529.32%
Masters Degree49118.16%
Professional Degree1274.7%
Doctorate Degree1495.51%

03257 Geography

Coordinates43.41075516,-71.98598480
Adjacent ZIP Codes
Cities/Towns in 03257
RegionsSouthern New Hampshire Region
Northern New Hampshire Region
Metropolitan/Micropolitan Stat AreasConcord, NH
Lebanon, NH-VT
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area33 Square Miles

03257 Schools

School Districts in 03257

03257 Weather and Climate Data

Plant Hardiness ZoneZone 5b: -15F to -10F
Average First Frost DateSeptember 11 - 20
Average Last Frost DateMay 21 - 31
Koppen-Geiger Climate ZoneDfb - Humid Continental Mild Summer, Wet All Year
Ecoregion58q - Sunapee Uplands

03257 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)10112131435256554736281634
Avg Max Temp (°F)29324154687580776958453455
Avg Precip (In.)3.472.823.513.764.253.813.973.983.774.293.973.545.11

Most Popular ZIP Code Searches in New Hampshire