Welcome to our Millstone, NJ Website

The Borough of Millstone is located in Somerset County in the state of New Jersey (NJ).

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Millstone, New Jersey, a Borough, in Somerset County was incorporated in May 14, 1894. spans over 0.7 square miles and has a population of 418 citizens who are all invited to join us here on our site.
Latest Millstone, NJ News:

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County Level News: Somerset County News
State Level News: State of New Jersey News
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Millstone, NJ Map (Interactive)

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Millstone Latitude: 40.4995 Longitude: -74.6290

The Zip Code for Millstone, NJ is: 08844

We also provide additional resources for the rest of Somerset County and the State of New Jersey.

The Borough of Millstone

Facts & Data:

Millstone New Jersey Physical Characteristics:

The Borough of Millstone has an area of 0.8 square miles
  • Land: 0.73781776061776 Sq. Mi. (97.05%)
  • Water: 0.02241583011583 Sq. Mi.(2.95%)
The Millstone Borough takes up 0.2% of the area of Somerset County.

Map Location Coordinates:

  • Latitude: +40.4998172
  • Longitude: -074.5958757
Millstone Land Water Pie Chart

Millstone, NJ Climate Information:

  • Average Rainfall: 49.11 inches
*Based on annual average for Weather Station USC00280847 BLACKWELLS MILLS
Latitude: 40.4603 Longitude: -74.5825 Elevation: 12.2 feet.

Millstone, NJ Population Data:

According to the 2010 U.S. Census, the population of Millstone was 418 people, which is 0.1 % of the entire population of Somerset County.


  • 48.56% Male
  • 51.44% Female


  • 95.694% White
  • 1.196% Black
  • 1.675% Asian
  • 0.00% American Indian/Alaskan Native
  • 0.00% Pacific Islander
  • 0.478% Mixed
  • 0.957% Other


  • 96.41% Not Hispanic or Latino
  • 3.59% Hispanic or Latino
Millstone Race Population Ring Chart

Millstone, NJ Housing Information:

Average Household Size: 2.6
Number of Residences: 167
  • Occupied: 162 (97.01%)
  • Vacant: 5 (2.99%)

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