ZIP Code 03455 - Marlborough New Hampshire

03455 Overview

ZIP Code 03455 is located in Marlborough New Hampshire. Portions of 03455 are also in Marlborough (town) and Roxbury and Harrisville and Nelson and Dublin and Jaffrey (town). 03455 is entirely within Cheshire County. Regionally, 03455 is located in the Southern New Hampshire Region.

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ZIP Code 03455 Quick Stats

ZIP Code NameMarlborough
Primary CountyCheshire County
ZIP Code TypeStandard
Population (2022)2,292
Area Code(s)603
Current Time
EST

03455 Demographics

03455 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 03455 is White. The majority race/ethnicity attending public schools in 03455 is White. The current unemployment level in 03455 is 2.2%.

Population2,292
Population Growth Rate17.64%
Population Density87 People per Square Mile
Total Households837
Percentage High Income Households1.7%
Median Household Income (2021)$75,313
Average Adjusted Gross Income (2021)$479,200
Current Unemployment Rate (December 2024)2.2%
Majority Race/EthnictyWhite - 97.19%
Public School Majority Race/EthnictyWhite - 95.58%

03455 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White2,41797.19%
Black00%
Hispanic200.8%
Asian281.13%
Native American220.88%
Hawaiian/Pac. Islander00%

03455 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White17396.11%
Black21.11%
Hispanic21.11%
Asian10.56%
Native American21.11%
Hawaiian/Pac. Islander00%

03455 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College997.32%
Bachelor Degree25919.14%
High School Diploma29721.95%
No High School Diploma251.85%
GED or Alternate795.84%
1 or More Years of College23117.07%
Associates Degree14310.57%
Masters Degree18113.38%
Professional Degree70.52%
Doctorate Degree322.37%

03455 Geography

Coordinates42.90885162,-72.17541504
Adjacent ZIP Codes
Cities/Towns in 03455
RegionSouthern New Hampshire Region
Metropolitan/Micropolitan Stat AreaKeene, NH
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area26 Square Miles

03455 Weather and Climate Data

Plant Hardiness ZoneZone 5b: -15F to -10F
Average First Frost DateSeptember 21 - 31
Average Last Frost DateMay 11 - 20
Koppen-Geiger Climate ZoneDfb - Humid Continental Mild Summer, Wet All Year
Ecoregion58g - Worcester/Monadnock Plateau

03455 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)8102031425155544534261533
Avg Max Temp (°F)30334254677580786958463455
Avg Precip (In.)3.512.613.423.424.033.793.953.963.513.713.623.3442.88

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