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ZIP CODE TABULATION AREA

03857

New Hampshire · 9,463 residents · 12.593 sq mi
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ZIP 03857 is wealthier than most US places, with a median household income of $100,845. Population has held roughly steady since 2024. 50% of adults hold a bachelor's degree or higher. Median home value is $455,000. Poverty is rare here, at 4.6% of residents. Among the 35 ZIP codes in Rockingham County, 03857 ranks 33rd by median household income.

$100,845
US average: $82,259
$455,000
US average: $376,019
49.7%
US average: 35.6%
Age, sex & households
Under 18
15.6%
Age 65+
16.1%
49.4%
50.6%
2.17 people
Race & ethnicity · 2024
2024
White, non-Hispanic91.1%(8,619)
Black0.6%(60)
Hispanic / Latino1.4%(136)
Asian1.3%(122)
Other5.6%(526)
Diversity Score20.9%(1,974)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Rockingham County
Income rank vs other ZIPs
LOWEST33RD OF 35HIGHEST
Adjacent ZIPs
03032$153,253
03034$131,350
03036$142,212
03037$130,371
Frequently asked

How many people live in ZIP code 03857?

ZIP code 03857 has about 9,463 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03857?

The typical household in ZIP code 03857 earns about $100,845 a year. Half of households make more than that, and half make less.

Is ZIP code 03857 expensive?

In ZIP code 03857, the median home is worth about $455,000, and the typical rent is about $1,671 a month.

How educated are people in ZIP code 03857?

About 49.7% of adults age 25 and over in ZIP code 03857 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03857?

About 4.6% of people in ZIP code 03857 live below the federal poverty line.

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