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ZIP CODE TABULATION AREA

03230

New Hampshire · 1,451 residents · 40.253 sq mi
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ZIP 03230 has lower-than-average household income, with a median household income of $71,685. Population has held roughly steady since 2024. 18% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $240,700. With a median age of 47.4, the population is older than the US median of 38.9. Households here earn about 26% less than the Merrimack County median. Among the 27 ZIP codes in Merrimack County, 03230 ranks 27th by median household income.

$71,685
US average: $82,259
$240,700
US average: $376,019
17.5%
US average: 35.6%
Age, sex & households
Under 18
17.2%
Age 65+
23.7%
50.7%
49.3%
2.24 people
Race & ethnicity · 2024
2024
White, non-Hispanic94.8%(1,376)
Black0%(0)
Hispanic / Latino2%(29)
Asian0.3%(4)
Other2.9%(42)
Diversity Score12.4%(180)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Merrimack County
Income rank vs other ZIPs
LOWEST27TH OF 27HIGHEST
Adjacent ZIPs
03046$124,348
03106$118,442
03216$88,311
03221$109,803
Frequently asked

How many people live in ZIP code 03230?

ZIP code 03230 has about 1,451 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03230?

The typical household in ZIP code 03230 earns about $71,685 a year. Half of households make more than that, and half make less.

Is ZIP code 03230 expensive?

In ZIP code 03230, the median home is worth about $240,700, and the typical rent is about $1,281 a month.

How educated are people in ZIP code 03230?

About 17.5% of adults age 25 and over in ZIP code 03230 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03230?

About 12.4% of people in ZIP code 03230 live below the federal poverty line.

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