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ZIP CODE TABULATION AREA

03870

New Hampshire · 5,188 residents · 12.05 sq mi
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ZIP 03870 is significantly wealthier than the US average, with a median household income of $140,938. Population has held roughly steady since 2024. 60% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $990,700. With a median age of 54.9, the population is older than the US median of 38.9. Among the 35 ZIP codes in Rockingham County, 03870 ranks 13th by median household income.

$140,938
US average: $82,259
$990,700
US average: $376,019
60.1%
US average: 35.6%
Age, sex & households
Under 18
18.0%
Age 65+
31.5%
49.3%
50.7%
2.40 people
Race & ethnicity · 2024
2024
White, non-Hispanic96.2%(4,990)
Black0.4%(19)
Hispanic / Latino0.7%(35)
Asian0.7%(36)
Other2.1%(108)
Diversity Score9.3%(482)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Rockingham County
Income rank vs other ZIPs
LOWEST13TH 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 03870?

ZIP code 03870 has about 5,188 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03870?

The typical household in ZIP code 03870 earns about $140,938 a year. Half of households make more than that, and half make less.

Is ZIP code 03870 expensive?

In ZIP code 03870, the median home is worth about $990,700, and the typical rent is about $1,790 a month.

How educated are people in ZIP code 03870?

About 60.1% of adults age 25 and over in ZIP code 03870 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03870?

About 6.9% of people in ZIP code 03870 live below the federal poverty line.

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