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ZIP CODE TABULATION AREA

03221

New Hampshire · 2,200 residents · 48.9 sq mi
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ZIP 03221 is home to 2,200 people in Merrimack County. The median age is 47.9, about 9 years above the US median. Owners hold 87% of the housing stock. 2% of residents were born outside the United States. There are 45 people per square mile. The median household earns $109,803, about 33% above the national median. Among the 27 ZIP codes in Merrimack County, 03221 ranks 12th by median household income.

$109,803
US average: $82,259
$61,356
US average: $44,673
$325,400
US average: $376,019
37.3%
US average: 35.6%
Land area
48.9 sq mi
Age, sex & households
Under 18
20.4%
Age 65+
22.1%
51.8%
48.2%
2.50 people
Race & ethnicity · 2024
2024
White, non-Hispanic96%(2,112)
Black0%(0)
Hispanic / Latino1.7%(37)
Asian0.9%(20)
Other1.4%(31)
10
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.0
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
LOWEST12TH OF 27HIGHEST
Adjacent ZIPs
03046$124,348
03106$118,442
03216$88,311
03224$138,125
Frequently asked

How many people live in ZIP code 03221?

ZIP code 03221 has about 2,200 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03221?

The typical household in ZIP code 03221 earns about $109,803 a year. Half of households make more than that, and half make less.

Is ZIP code 03221 expensive?

In ZIP code 03221, the median home is worth about $325,400, and the typical rent is about $1,594 a month.

How educated are people in ZIP code 03221?

About 37.3% of adults age 25 and over in ZIP code 03221 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03221?

About 11.0% of people in ZIP code 03221 live below the federal poverty line.

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