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ZIP CODE TABULATION AREA

03109

New Hampshire · 9,929 residents · 7.25 sq mi
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ZIP 03109 is home to 9,929 people in Hillsborough County. 77% of homes are owner-occupied. The poverty rate is 3.0%, under the national 12.5%. At a median age of 42.5, this is an older place than the country as a whole. The foreign-born share is 5%. Households take in $108,144 a year at the median, 31% more than the country as a whole. Among the 34 ZIP codes in Hillsborough County, 03109 ranks 16th by median household income.

$108,144
US average: $82,259
$53,885
US average: $44,673
$387,900
US average: $376,019
32.3%
US average: 35.6%
Land area
7.25 sq mi
Age, sex & households
Under 18
13.7%
Age 65+
18.1%
43.0%
57.0%
2.41 people
Race & ethnicity · 2024
2024
White, non-Hispanic87.7%(8,708)
Black0.8%(80)
Hispanic / Latino3.4%(334)
Asian2.4%(235)
Other5.8%(572)
28
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.6
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Hillsborough County
Income rank vs other ZIPs
LOWEST16TH OF 34HIGHEST
Adjacent ZIPs
03031$153,125
03033$171,046
03043$104,063
03045$119,205
Frequently asked

How many people live in ZIP code 03109?

ZIP code 03109 has about 9,929 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03109?

The typical household in ZIP code 03109 earns about $108,144 a year. Half of households make more than that, and half make less.

Is ZIP code 03109 expensive?

In ZIP code 03109, the median home is worth about $387,900, and the typical rent is about $1,802 a month.

How educated are people in ZIP code 03109?

About 32.3% of adults age 25 and over in ZIP code 03109 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03109?

About 3.0% of people in ZIP code 03109 live below the federal poverty line.

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