CensusEasy
ZIP CODE TABULATION AREA

03237

New Hampshire · 2,575 residents · 37.963 sq mi
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ZIP 03237 is significantly wealthier than the US average, with a median household income of $111,359. Population has held roughly steady since 2024. Median home value is $345,400. Poverty is rare here, at 5.4% of residents. Among the 13 ZIP codes in Belknap County, 03237 ranks 6th by median household income.

$111,359
US average: $82,259
$345,400
US average: $376,019
36.1%
US average: 35.6%
Age, sex & households
Under 18
16.8%
Age 65+
14.8%
51.6%
48.4%
2.35 people
Race & ethnicity · 2024
2024
White, non-Hispanic93.7%(2,414)
Black0%(0)
Hispanic / Latino2.4%(63)
Asian0%(0)
Other3.8%(98)
Diversity Score14.9%(383)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Belknap County
Income rank vs other ZIPs
LOWEST6TH OF 13HIGHEST
Adjacent ZIPs
03218$112,500
03220$68,242
03225$111,660
03226$107,500
Frequently asked

How many people live in ZIP code 03237?

ZIP code 03237 has about 2,575 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03237?

The typical household in ZIP code 03237 earns about $111,359 a year. Half of households make more than that, and half make less.

Is ZIP code 03237 expensive?

In ZIP code 03237, the median home is worth about $345,400.

How educated are people in ZIP code 03237?

About 36.1% of adults age 25 and over in ZIP code 03237 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03237?

About 5.4% of people in ZIP code 03237 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024