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ZIP CODE TABULATION AREA

03230

New Hampshire · 1,451 residents · 40.3 sq mi
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ZIP 03230 is a ZIP code of 1,451 people in Merrimack County. Owners hold 91% of the housing stock. The median age is 47.4, about 8 years above the US median. Four-year degrees are less common here than nationally, at 18% of adults. 1% of residents were born outside the United States. That trails the Merrimack County median by roughly 26%. Among the 27 ZIP codes in Merrimack County, 03230 ranks 27th by median household income.

$71,685
US average: $82,259
$38,399
US average: $44,673
$240,700
US average: $376,019
17.5%
US average: 35.6%
Land area
40.3 sq mi
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)
12
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.4
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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