Millstone, New Jersey Demographics & Population 2026

Name: Millstone, New Jersey Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

During the 2020–2024 ACS period, Millstone, New Jersey had a total population of 655, the 591st largest borough in New Jersey, with a median household income of $141,709, which is 37% higher than the state average. The poverty rate is 3.5%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

Household income is 37% above the state average — one of the wealthiest communities in New Jersey.
An exceptionally low poverty rate of 3.5% — among the lowest in New Jersey.

Millstone Quick Facts

Population 655

Median Household Income $141,709

Median Home Value $494,500

Poverty Rate 3.5%

Unemployment Rate 5.2%

Median Age 38.5 years

Homeownership Rate 89.9%

Affordability Ratio 3.5x

Bachelor's Degree or Higher 46.5%

High School Graduation Rate 89.6%

Diversity Index 54/100

Population 655 591st of 700

Median Income $141,709 top 30%

Poverty Rate 3.5% 72% lower than national

Median Home Value $494,500 above average

How Millstone Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	606	655	+8.1%
Median household income	$139,209	$141,709	+1.8%
Median home value	$486,200	$494,500	+1.7%

How Millstone Compares

Median Household Income

Millstone

$141,709

$103,556

National

$80,734

Median Home Value

Millstone

$494,500

$454,400

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 5.1%

$25K-$50K 4.6%

$50K-$100K 10.1%

$100K+ 80.2%

Detailed income brackets

Under $10K

1.4%

$10K-$15K

1.8%

$15K-$20K

0.0%

$20K-$25K

1.8%

$25K-$30K

0.5%

$30K-$35K

3.2%

$35K-$40K

0.5%

$40K-$45K

0.5%

$45K-$50K

0.0%

$50K-$60K

1.4%

$60K-$75K

6.5%

$75K-$100K

2.3%

$100K-$125K

10.6%

$125K-$150K

26.7%

$150K-$200K

15.7%

$200K+

27.2%

Employment

5.2% Unemployment Rate State: 6.3%|National: 5.2%

78.8% Labor Force Participation

Housing Overview

Owner 89.9%

Renter 10.1%

Affordability Index Affordable

3.5x home value to income ratio

Median gross rent $1,375/mo 11.6% of median household income annually

People & Demographics

Age Distribution

Under 18

18.2%

18-34

29.8%

35-54

30.4%

55-74

15.4%

75+

6.3%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 66 | National average: 61

Education

Educational Attainment (Adults 25+)

Millstone Rankings in New Jersey

#591 Population of 700

#167 Median Income of 662

#311 Education of 699

#243 Home Value of 678

Explore New Jersey Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Other Cities in Somerset County

City	Population	Median Income	Poverty	Home Value
North Plainfield	22,809	$87,349	13.2%	$374,700
Somerset	22,720	$121,028	4.5%	$438,800
Hillsborough	22,585	$144,112	2.7%	$435,700
Bradley Gardens	14,165	$177,849	4.2%	$546,300
Somerville	13,410	$103,760	5.9%	$435,700
Franklin Park	13,211	$114,946	11.0%	$336,600
Bound Brook	12,219	$90,571	11.1%	$397,100
Martinsville	11,559	$205,000	1.4%	$720,400
East Franklin	11,070	$115,458	5.9%	$385,900
Manville	10,921	$93,333	11.7%	$354,300

Cities Similar to Millstone

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Grenloch	666	$148,068	$238,000	38.4%	9.6%
Three Bridges	630	N/A	$587,300	29.5%	1.6%
East Millstone	698	N/A	$608,900	43.6%	0.0%
Richland	639	$158,271	$225,300	39.1%	1.3%
Great Meadows	604	N/A	$394,600	36.9%	0.0%

A note before these figures: with a population of 655, Millstone's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Millstone is a small community located in New Jersey, within Somerset County. The total population is 655. It ranks as the 591st most populous out of 700 Census-designated places in New Jersey.

Age Demographics

The median age in Millstone is 38.5 years. This is 4% lower than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Millstone is $141,709. This is 37% higher than the state median of $103,556. It is also 76% higher than the national median of $80,734. The poverty rate stands at 3.5%. This is 64% lower than the state poverty rate of 9.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 5.2%. This is 17% lower than the state rate of 6.3%. The median home value is $494,500. Housing costs are 9% higher than the state median of $454,400. The home-value-to-income ratio is 3.5x. 89.9% of occupied housing units are owner-occupied. This homeownership rate is 41% higher than the state average of 63.8%.

Race & Ethnicity

The largest racial or ethnic group in Millstone is White (non-Hispanic), making up 61.5% of the population. Hispanic or Latino residents account for 26.7%. The Black or African American population (2.9%) is well below the state average of 12.2%. The Asian population (1.7%) is well below the state average of 10.1%.

Education

46.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 7% higher than the state rate of 43.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.6%.

Data Sources & Methodology

All demographic data for Millstone, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Jersey state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 700 Census-designated places in New Jersey. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of Millstone, New Jersey?

Millstone, New Jersey has a population of 655 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Millstone, NJ?

The median household income in Millstone is $141,709, which is 76% higher than the national median of $80,734.

What is the poverty rate in Millstone, NJ?

The poverty rate in Millstone is 3.5%. This means approximately 23 residents live below the federal poverty line.

What is the racial makeup of Millstone, New Jersey?

Millstone's population is 61.5% White, 2.9% Black, 26.7% Hispanic/Latino, and 1.7% Asian.

What is the median home value in Millstone, NJ?

The median home value in Millstone is $494,500. The home-value-to-income ratio is 3.5x.

How educated is Millstone, New Jersey?

46.5% of adults (25+) in Millstone hold a bachelor's degree or higher, and 14.7% hold a graduate or professional degree.