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ZIP CODE TABULATION AREA

03818

New Hampshire · 3,805 residents · 84.5 sq mi
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ZIP 03818 is a ZIP code of 3,805 people in Carroll County. 4% of residents were born outside the United States. About 44% of adults have finished a four-year degree. Getting to work takes 17 minutes on average. The median age is 42.0, about 3 years above the US median. Density works out to 45 people per square mile. Among the 24 ZIP codes in Carroll County, 03818 ranks 16th by median household income.

$77,134
US average: $82,259
$44,029
US average: $44,673
$324,800
US average: $376,019
44.4%
US average: 35.6%
Land area
84.5 sq mi
Age, sex & households
Under 18
16.8%
Age 65+
21.4%
50.3%
49.7%
2.42 people
Race & ethnicity · 2024
2024
White, non-Hispanic91.5%(3,482)
Black0%(0)
Hispanic / Latino1.7%(64)
Asian4.4%(168)
Other2.4%(91)
20
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.2
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Carroll County
Income rank vs other ZIPs
LOWEST16TH OF 24HIGHEST
Adjacent ZIPs
03227$146,917
03254$106,440
03259$84,872
Frequently asked

How many people live in ZIP code 03818?

ZIP code 03818 has about 3,805 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03818?

The typical household in ZIP code 03818 earns about $77,134 a year. Half of households make more than that, and half make less.

Is ZIP code 03818 expensive?

In ZIP code 03818, the median home is worth about $324,800, and the typical rent is about $974 a month.

How educated are people in ZIP code 03818?

About 44.4% of adults age 25 and over in ZIP code 03818 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03818?

About 8.0% of people in ZIP code 03818 live below the federal poverty line.

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