ZIP Code 08821
About Flagtown
Flagtown is an unincorporated community and census-designated place located within Hillsborough Township, in Somerset County, in the U.S. state of New Jersey.
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Area Profile
US Census (ACS 5-year · Gazetteer)
375
population
$122,857
median household income
1,576
people / sq mi
$446,700
median home value
40.6
median age
140
housing units
140
households
0.2
land area (sq mi)