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ZIP CODE TABULATION AREA

03820

New Hampshire · 33,440 residents · 27.3 sq mi
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With 33,440 people, ZIP 03820 is a ZIP code in Strafford County. 52% of adults hold a bachelor's degree, against 36% nationally. Owners hold 53% of the housing stock. 6% of people in this ZIP code were born outside the United States. Density works out to 1,226 people per square mile. People stay put here: 83% were in the same home a year ago. Among the 16 ZIP codes in Strafford County, 03820 ranks 8th by median household income.

$94,897
US average: $82,259
$52,784
US average: $44,673
$436,100
US average: $376,019
52.0%
US average: 35.6%
Land area
27.3 sq mi
Age, sex & households
Under 18
16.9%
Age 65+
16.8%
49.5%
50.5%
2.16 people
Race & ethnicity · 2024
2024
White, non-Hispanic85.3%(28,524)
Black1.2%(396)
Hispanic / Latino3.5%(1,168)
Asian4.8%(1,596)
Other5.3%(1,756)
33
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.6
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Strafford County
Income rank vs other ZIPs
LOWEST8TH OF 16HIGHEST
Adjacent ZIPs
03823$148,365
03824$124,056
03825$110,323
03835$66,982
Frequently asked

How many people live in ZIP code 03820?

ZIP code 03820 has about 33,440 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03820?

The typical household in ZIP code 03820 earns about $94,897 a year. Half of households make more than that, and half make less.

Is ZIP code 03820 expensive?

In ZIP code 03820, the median home is worth about $436,100, and the typical rent is about $1,607 a month.

How educated are people in ZIP code 03820?

About 52.0% of adults age 25 and over in ZIP code 03820 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03820?

About 8.3% of people in ZIP code 03820 live below the federal poverty line.

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