Millstone, Monmouth County, NJ demographics:
population, income, and more

Total population
10,256
0.3% year-over-year change
Median household income
$217,849/yr
9.7% year-over-year change
Housing units
3,467
-2.7% year-over-year change

Millstone population

How many people live in Millstone

Millstone is home to 10,256 residents, according to the most recent Census data. Gender-wise, 53.7% of Millstone locals are male, and 46.3% are female.

Total population
10,256
0.3% year-over-year change
Gender ratio
Male
53.7%
5,503
Female
46.3%
4,753
Value Percent YoY change
Male 5,503 53.7% 2.3%
Female 4,753 46.3% -2.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Millstone is 46, with the population distributed as follows: about 14.5% are children under 15, then 18.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 17.2% of the population, while another 33.5% fall into the 45 to 64 bracket. Finally, around 16.5% are 65 or older.

Median age
46
Age breakdown
Under 15
14.5%
15 to 24
18.3%
25 to 44
17.2%
45 to 64
33.5%
Over 65
16.5%
Value Percent YoY change
Under 15 1,484 14.5% 11.6%
15 to 24 1,878 18.3% -1.4%
25 to 44 1,764 17.2% 6.3%
45 to 64 3,436 33.5% -8.2%
Over 65 1,694 16.5% 6.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Millstone, 86.8% of the population are US-born citizens, while 11.3% have gained naturalized citizenship. At the same time, 1.9% of residents are non-citizens. As for race, 71.8% of locals are Caucasian, 2.4% are African American and 8% have Asian roots. There’s also a share of 11.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
86.8%
Non-U.S.-born citizens
11.3%
Non-citizens
1.9%
Value Percent YoY change
U.S.-born citizens 8,900 86.8% 1.5%
Non-U.S.-born citizens 1,163 11.3% -5.2%
Non-citizens 193 1.9% -17.2%
Racial breakdown
White
71.8%
Black or African American
2.4%
American Indian and Alaska Native
0%
Asian
8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
11.6%
Other
6.2%
Value Percent
White 7,361 71.8%
Black or African American 242 2.4%
Asian 823 8%
Two or more races 1,189 11.6%
Other 641 6.2%

Households in Millstone

A peek inside Millstone households

Millstone has 3,312 households, with an average of 3 members in each. Of these, 88.6% are families, while the remaining 11.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,312
-4.6% year-over-year change
Average people per household
3
Non-family households
376
Family households
2,936
Value Percent YoY change
Non-family households 376 11.4% -22.9%
Family households 2,936 88.6% -1.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Millstone

The housing landscape of Millstone

Millstone's housing consists of 3,467 units, with 99.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.3% and offer a more compact, shared living style.

Housing units
3,467
-2.7% year-over-year change
Housing types
Value Percent
1 unit, detached 3,445 99.4%
1 unit, attached 9 0.3%
3 or 4 units 13 0.4%
Homes built since 2020
% year-over-year change

The age of buildings in Millstone

In Millstone, the median construction year is 1992. About 5.2% of homes were built before the 1940s, with another 1% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 181 5.2% 13.8%
Built between 1940 and 1949 36 1% N/A
Built between 1950 and 1959 235 6.8% 33.5%
Built between 1960 and 1969 141 4.1% -24.6%
Built between 1970 and 1979 577 16.6% 1.6%
Built between 1980 and 1989 402 11.6% -2.7%
Built between 1990 and 1999 1,160 33.5% -16.1%
Built between 2000 and 2009 677 19.5% 18.1%
Built between 2010 and 2019 57 1.6% -44.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Millstone occupancy rates

Out of the 3,312 occupied housing units in Millstone, 98.1% are owner-occupied, while 1.9% are lived in by tenants. Meanwhile, 4.5% of all homes on the local market sit vacant.

Occupied housing units
3,312
-4.6% year-over-year change
Occupancy breakdown
Renter occupied
64
Owner occupied
3,249
Value Percent YoY
change
Renter occupied 64 1.9% -74.7%
Owner occupied 3,249 98.1% 0.9%
Unoccupied housing units
4.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Millstone housing costs

Median housing costs per month
$3,042/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Millstone

Millstone education at a glance

About 25.1% of the population in Millstone went to high school, while 14.8% pursued college studies. Another 5.2% earned an associate degree and 37.4% hold a bachelor’s. Meanwhile, 15.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 141 1.7% 182.0%
High school diploma 2,075 25.1% 22.0%
College diploma 1,224 14.8% -6.8%
Associate degree 429 5.2% -17.5%
Bachelor's degree 3,092 37.4% -8.8%
Graduate degree 1,314 15.9% -7.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Millstone

How much people earn in Millstone

The average annual household income in Millstone was $257,688 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.8% change from the previous year. At the same time, the median income stood at $217,849, reflecting a +9.7% shift over the same period.

Average household income in Millstone
$257,688/year
2.8% year-over-year change
Median household income in Millstone
$217,849/year
9.7% year-over-year change

Millstone income by age

In Millstone, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $206,189. Those with someone between 45 and 64 in charge, often well established professionally, earn $246,692 overall. Overall, 95.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $206,189 -17.5%
45 - 64 $246,692 0.7%
Over 65 $107,450 5.6%
Above poverty level
9,774
Below poverty level
418
Value Percent YoY
change
Above poverty level 9,774 95.9% -1.4%
Below poverty level 418 4.1% 41.2%

Employment in Millstone

Workforce and job types in Millstone

87% of the working population are employed in professional or administrative positions, while 13% are in hands-on or service-based jobs. Also, 19% run their own businesses, 62.6% are employed by private companies, and 12.3% work in the public sector.

Workforce demographics

White collar
4,646
Blue collar
691
Value Percent YoY change
White collar 4,646 87% -4.6%
Blue collar 691 13% -11.4%
Employer type
Self employees
19%
Private companies
62.6%
Governmental workers
12.3%
Not for profit companies
6%
Value Percent YoY change
Self employees 1,016 19% 12.6%
Private companies 3,339 62.6% -10.8%
Governmental workers 658 12.3% -3.7%
Not for profit companies 323 6% 1.6%

Transportation in Millstone

How people get around in Millstone

Commuting methods vary: 94.8% of residents travel by personal vehicle and 0.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 4,068 94.8% -3.6%
Taxicab 68 1.6% 36.0%
Bus or trolleybus 53 1.2% 20.4%
Railroad 20 0.5% -20.0%
Bicycle 69 1.6% 32.7%
Walk 13 0.3% -67.5%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Millstone by zipcode?

Zipcode Population Number of households Median income Average income
08510 5,386 1,833 $225,966 $241,486
08535 4,999 1,519 $209,732 $275,510

Explore more communities

FAQs about Millstone demographics 

What is the total population of Millstone?

Millstone has a total population of 10,256 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.3% compared to a year ago.

What is the gender ratio in Millstone?

The gender ratio in Millstone is as follows:
  • 53.7% males (5,503 residents)
  • 46.3% females (4,753 residents)

What is the median age in Millstone?

The median age in Millstone is 46.

What is the age distribution of the population in Millstone?

The age distribution in Millstone is as follows:
  • Under 15: 14.5% (1,484 residents)
  • Ages 15-24: 18.3% (1,878 residents)
  • Ages 25-44: 17.2% (1,764 residents)
  • Ages 45-64: 33.5% (3,436 residents)
  • Over 65: 16.5% (1,694 residents)

What is the racial and ethnic makeup of Millstone?

The racial and ethnic makeup of Millstone is as follows:
  • White: 71.8% (7,361 residents)
  • Black or African American: 2.4% (242 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 8% (823 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 11.6% (1,189 residents)
  • Other: 6.2% (641 residents)

What percentage of the population in Millstone are U.S.-born citizens?

U.S.-born citizens represent 86.8% of the population in Millstone.

How many housing units are there in Millstone?

There are 3,467 housing units in Millstone, reflecting a -2.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Millstone and what is the average household size?

Millstone has a total of 3,312 households, with an average of 3 people in each.

What is the median household income in Millstone?

Millstone has a median household income of $217,849, representing a +9.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Millstone?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87% (4,646 residents)
  • Blue-collar workers: 13% (691 residents)

Places of employment:
  • Self-employed: 19% (1,016 residents)
  • Private companies: 62.6% (3,339 residents)
  • Governmental workers: 12.3% (658 residents)
  • Not-for-profit companies: 6% (323 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025