ZIP Code 03431 - Keene New Hampshire

03431 Overview

ZIP Code 03431 is located in Keene New Hampshire. Portions of 03431 are also in Surry and Roxbury and Swanzey and Alstead and Sullivan and Walpole (town) and Westmoreland and Chesterfield and Gilsum. 03431 is entirely within Cheshire County. Regionally, 03431 is located in the Southern New Hampshire Region.

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ZIP Code 03431 Quick Stats

ZIP Code NameKeene
Primary CountyCheshire County
ZIP Code TypeStandard
Population (2022)24,891
Area Code(s)603
Current Time
EST

ZIP Code 03431 Map

03431 Demographics

03431 can be classified socioeconomically as Lower 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 03431 is White. The majority race/ethnicity attending public schools in 03431 is White. The current unemployment level in 03431 is 2.0%.

Population24,891
Population Growth Rate-1.86%
Population Density377 People per Square Mile
Total Households9,839
Percentage High Income Households3.5%
Median Household Income (2021)$62,938
Average Adjusted Gross Income (2021)$609,880
Current Unemployment Rate (November 2024)2.0%
Majority Race/EthnictyWhite - 94.61%
Public School Majority Race/EthnictyWhite - 87.61%

03431 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White23,42994.58%
Black3571.44%
Hispanic7973.22%
Asian1300.52%
Native American520.21%
Hawaiian/Pac. Islander70.03%

03431 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White2,84991.4%
Black421.35%
Hispanic1053.37%
Asian832.66%
Native American280.9%
Hawaiian/Pac. Islander100.32%

03431 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,0517.25%
Bachelor Degree3,53024.35%
High School Diploma4,31429.75%
No High School Diploma1170.81%
GED or Alternate3932.71%
1 or More Years of College1,99513.76%
Associates Degree9546.58%
Masters Degree1,4439.95%
Professional Degree3672.53%
Doctorate Degree3352.31%

03431 Geography

Coordinates42.96731949,-72.29426575
Adjacent ZIP Codes
Cities/Towns in 03431
RegionSouthern New Hampshire Region
Metropolitan/Micropolitan Stat AreaKeene, NH
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area66 Square Miles

03431 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

03431 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)8102132425156554634271533
Avg Max Temp (°F)30334255687681797059463456
Avg Precip (In.)3.342.53.293.253.863.563.813.873.383.563.53.1141.04

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