ZIP Code 03237 - Gilmanton New Hampshire

ZIP Code 03237 is located in Gilmanton New Hampshire. Portions of 03237 are also in Canterbury and Alton (town). 03237 is primarily within Belknap County, with some portions in Merrimack County. Regionally, it is located in the Southern New Hampshire Region.

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ZIP Code 03237 Quick Stats

ZIP Code NameGilmanton
Primary CountyBelknap County
ZIP Code TypeStandard
Population (2022)2,338
Area Code(s)603
Current Time

ZIP Code 03237 Map

03237 Demographics

03237 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 03237 is White. The current unemployment level in 03237 is 2.9%.

Population Growth Rate0.86%
Population Density57 People per Square Mile
Total Households989
Percentage High Income Households2.1%
Median Household Income (2021)$84,199
Average Adjusted Gross Income (2021)$433,300
Current Unemployment Rate (May 2024)2.9%
Majority Race/EthnictyWhite - 94.87%

03237 Race/Ethnicty Breakdown

Native American00%
Hawaiian/Pac. Islander00%

03237 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1056.7%
Bachelor Degree29718.97%
High School Diploma42026.82%
No High School Diploma00%
GED or Alternate130.83%
1 or More Years of College42727.27%
Associates Degree1539.77%
Masters Degree1278.11%
Professional Degree70.45%
Doctorate Degree171.09%

03237 Geography

Adjacent ZIP Codes
Cities/Towns in 03237
RegionSouthern New Hampshire Region
Metropolitan/Micropolitan Stat AreasLaconia, NH
Concord, NH
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area41 Square Miles

03237 Politics

US Congressional Districts in 03237
New Hampshire State Senate Districts in 03237
New Hampshire House of Representatives Districts in 03237

03237 Weather and Climate Data

Plant Hardiness ZoneZone 5b: -15F to -10F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 11 - 20
Koppen-Geiger Climate ZoneDfb - Humid Continental Mild Summer, Wet All Year
Ecoregion58g - Worcester/Monadnock Plateau

03237 Annual Climate Data

Avg Min Temp (°F)9112131425257554736281634
Avg Max Temp (°F)28324154677580776957453355
Avg Precip (In.)3.442.743.323.63.873.734.083.793.553.963.893.4343.4

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