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ZIP CODE TABULATION AREA

03103

New Hampshire · 37,775 residents · 9.19 sq mi
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With 37,775 people, ZIP 03103 is a ZIP code in Hillsborough County. 49% of homes are owner-occupied. 24% of adults hold a bachelor's degree or higher. Density works out to 4,112 people per square mile. That trails the Hillsborough County median by roughly 29%. The foreign-born share is 20%. Among the 34 ZIP codes in Hillsborough County, 03103 ranks 34th by median household income.

$73,540
US average: $82,259
$36,947
US average: $44,673
$342,200
US average: $376,019
23.8%
US average: 35.6%
Land area
9.19 sq mi
Age, sex & households
Under 18
19.2%
Age 65+
13.9%
49.3%
50.7%
2.44 people
Race & ethnicity · 2024
2024
White, non-Hispanic63.8%(24,089)
Black3.8%(1,448)
Hispanic / Latino22.9%(8,666)
Asian5.3%(2,008)
Other4.1%(1,564)
67
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.7
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
LOWEST34TH OF 34HIGHEST
Adjacent ZIPs
03031$153,125
03033$171,046
03043$104,063
03045$119,205
In context

ZIP 03103 compared with Hillsborough County

MeasureZIP 03103Hillsborough CountyDifference
Median household income$73,540$103,54529% lower
Median home value$342,200$421,10019% lower
Homes that are rented50.7%32.6%+18.1 pts
Bachelor's degree or higher23.8%41.5%−17.8 pts
Poverty rate13.8%6.7%+7.0 pts
Foreign-born residents20.0%10.3%+9.7 pts
Median age38.341.02.7 years younger
Frequently asked

How many people live in ZIP code 03103?

ZIP code 03103 has about 37,775 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 03103?

The typical household in ZIP code 03103 earns about $73,540 a year. Half of households make more than that, and half make less.

Is ZIP code 03103 expensive?

In ZIP code 03103, the median home is worth about $342,200, and the typical rent is about $1,436 a month.

How educated are people in ZIP code 03103?

About 23.8% of adults age 25 and over in ZIP code 03103 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 03103?

About 13.8% of people in ZIP code 03103 live below the federal poverty line.

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