Newmarket, NH demographics:
population, income, and more

Total population
9,418
0.3% year-over-year change
Median household income
$100,845/yr
6.9% year-over-year change
Housing units
4,479
1.3% year-over-year change

Newmarket population

How many people live in Newmarket

Newmarket is home to 9,418 residents, according to the most recent Census data. Gender-wise, 49.4% of Newmarket locals are male, and 50.6% are female.

Total population
9,418
0.3% year-over-year change
Gender ratio
Male
49.4%
4,650
Female
50.6%
4,768
Value Percent YoY change
Male 4,650 49.4% 1.0%
Female 4,768 50.6% -0.3%
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 Newmarket is 41, with the population distributed as follows: about 13.2% are children under 15, then 8.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 34.3% of the population, while another 27.4% fall into the 45 to 64 bracket. Finally, around 16.1% are 65 or older.

Median age
41.2
Age breakdown
Under 15
13.2%
15 to 24
8.9%
25 to 44
34.3%
45 to 64
27.4%
Over 65
16.1%
Value Percent YoY change
Under 15 1,246 13.2% -5.1%
15 to 24 839 8.9% 0.8%
25 to 44 3,230 34.3% -1.2%
45 to 64 2,585 27.4% 7.5%
Over 65 1,519 16.1% -3.1%
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 Newmarket, 94.1% of the population are US-born citizens, while 3.4% have gained naturalized citizenship. At the same time, 2.5% of residents are non-citizens. As for race, 91.1% of locals are Caucasian, 0.6% are African American and 1.3% have Asian roots. There’s also a share of 6.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.1%
Non-U.S.-born citizens
3.4%
Non-citizens
2.5%
Value Percent YoY change
U.S.-born citizens 8,861 94.1% 0.3%
Non-U.S.-born citizens 324 3.4% 4.5%
Non-citizens 233 2.5% -4.9%
Racial breakdown
White
91.1%
Black or African American
0.6%
American Indian and Alaska Native
0.1%
Asian
1.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.2%
Other
0.7%
Value Percent
White 8,578 91.1%
Black or African American 60 0.6%
American Indian and Alaska Native 8 0.1%
Asian 121 1.3%
Two or more races 586 6.2%
Other 65 0.7%

Households in Newmarket

A peek inside Newmarket households

Newmarket has 4,324 households, with an average of 2 members in each. Of these, 55.1% are families, while the remaining 44.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
4,324
0.7% year-over-year change
Average people per household
2
Non-family households
1,943
Family households
2,382
Value Percent YoY change
Non-family households 1,943 44.9% 3.1%
Family households 2,382 55.1% -1.1%
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 Newmarket

The housing landscape of Newmarket

Newmarket's housing consists of 4,479 units, with 41.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 10.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2% of the housing landscape.

Housing units
4,479
1.3% year-over-year change
Housing types
Value Percent
1 unit, detached 1,865 41.6%
1 unit, attached 473 10.6%
2 units 130 2.9%
3 or 4 units 289 6.4%
5 to 9 units 210 4.7%
10 to 19 units 315 7%
20 to 49 units 847 18.9%
50 or more units 244 5.4%
Mobile home 92 2%
Boat, RV, van, etc. 15 0.3%
Homes built since 2020
19
35.7% year-over-year change

The age of buildings in Newmarket

In Newmarket, the median construction year is 1983. About 18.5% of homes were built before the 1940s, with another 2.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 13.6% of homes were added from 2000 to 2009, 5.2% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 828 18.5% -2.1%
Built between 1940 and 1949 114 2.6% 11.8%
Built between 1950 and 1959 189 4.2% -2.1%
Built between 1960 and 1969 209 4.7% 17.4%
Built between 1970 and 1979 606 13.5% 15.9%
Built between 1980 and 1989 1,110 24.8% 2.7%
Built between 1990 and 1999 560 12.5% -4.6%
Built between 2000 and 2009 609 13.6% -8.4%
Built between 2010 and 2019 234 5.2% 0.0%
Built in 2020 or later 19 0.4% 35.7%
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.

Newmarket occupancy rates

Out of the 4,324 occupied housing units in Newmarket, 52.9% are owner-occupied, while 47.1% are lived in by tenants. Meanwhile, 3.5% of all homes on the local market sit vacant.

Occupied housing units
4,324
0.7% year-over-year change
Occupancy breakdown
Renter occupied
2,038
Owner occupied
2,286
Value Percent YoY
change
Renter occupied 2,038 47.1% -0.3%
Owner occupied 2,286 52.9% 1.7%
Unoccupied housing units
3.5%
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.

Newmarket housing costs

Housing costs in Newmarket come to a median of $1,770 per month, while tenants specifically pay a median gross rent of $1,671.

Median housing costs per month
$1,770/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.
Median gross rent in Newmarket
$1,671/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Newmarket

Newmarket education at a glance

About 19.3% of the population in Newmarket went to high school, while 19.6% pursued college studies. Another 12.2% earned an associate degree and 31.6% hold a bachelor’s. Meanwhile, 17.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 16 0.2% 166.7%
High school diploma 1,533 19.3% 13.9%
College diploma 1,555 19.6% -11.0%
Associate degree 970 12.2% 4.9%
Bachelor's degree 2,513 31.6% 0.7%
Graduate degree 1,363 17.1% 2.2%
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 Newmarket

How much people earn in Newmarket

The average annual household income in Newmarket was $122,459 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +7.8% change from the previous year. At the same time, the median income stood at $100,845, reflecting a +6.9% shift over the same period.

Average household income in Newmarket
$122,459/year
7.8% year-over-year change
Median household income in Newmarket
$100,845/year
6.9% year-over-year change

Newmarket income by age

In Newmarket, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $120,233. Those with someone between 45 and 64 in charge, often well established professionally, earn $123,047 overall. Overall, 95.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $120,233 10.0%
45 - 64 $123,047 1.9%
Over 65 $63,897 6.0%
Above poverty level
8,919
Below poverty level
430
Value Percent YoY
change
Above poverty level 8,919 95.4% 0.4%
Below poverty level 430 4.6% 6.2%

Average renter income in Newmarket

To get a better sense of what renters earn on average in Newmarket, their median household income was $71,381 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 28.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$71,381
Rent-to-income ratio
28.1%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Newmarket

Workforce and job types in Newmarket

87.6% of the working population are employed in professional or administrative positions, while 12.4% are in hands-on or service-based jobs. Also, 8.2% run their own businesses, 64.8% are employed by private companies, and 15.2% work in the public sector.

Workforce demographics

White collar
5,193
Blue collar
734
Value Percent YoY change
White collar 5,193 87.6% 5.0%
Blue collar 734 12.4% -2.9%
Employer type
Self employees
8.2%
Private companies
64.8%
Governmental workers
15.2%
Not for profit companies
11.9%
Value Percent YoY change
Self employees 484 8.2% 6.1%
Private companies 3,841 64.8% 0.3%
Governmental workers 899 15.2% 13.4%
Not for profit companies 704 11.9% 13.0%

Transportation in Newmarket

How people get around in Newmarket

Commuting methods vary: 97.6% of residents travel by personal vehicle and 1.9% 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 4,735 97.6% 5.8%
Taxicab 1 0% 0.0%
Bus or trolleybus 23 0.5% 4.5%
Walk 90 1.9% -60.0%
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 Newmarket by zipcode?

Zipcode Population Number of households Median income Average income
03857 9,463 4,345 $100,845 $122,515

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FAQs about Newmarket demographics 

What is the total population of Newmarket?

Newmarket has a total population of 9,418 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 Newmarket?

The gender ratio in Newmarket is as follows:
  • 49.4% males (4,650 residents)
  • 50.6% females (4,768 residents)

What is the median age in Newmarket?

The median age in Newmarket is 41.2.

What is the age distribution of the population in Newmarket?

The age distribution in Newmarket is as follows:
  • Under 15: 13.2% (1,246 residents)
  • Ages 15-24: 8.9% (839 residents)
  • Ages 25-44: 34.3% (3,230 residents)
  • Ages 45-64: 27.4% (2,585 residents)
  • Over 65: 16.1% (1,519 residents)

What is the racial and ethnic makeup of Newmarket?

The racial and ethnic makeup of Newmarket is as follows:
  • White: 91.1% (8,578 residents)
  • Black or African American: 0.6% (60 residents)
  • American Indian and Alaska Native: 0.1% (8 residents)
  • Asian: 1.3% (121 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 6.2% (586 residents)
  • Other: 0.7% (65 residents)

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

U.S.-born citizens represent 94.1% of the population in Newmarket.

How many housing units are there in Newmarket?

There are 4,479 housing units in Newmarket, reflecting a +1.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Newmarket has a total of 4,324 households, with an average of 2 people in each.

What is the median household income in Newmarket?

Newmarket has a median household income of $100,845, representing a +6.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Newmarket?

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

Job types:
  • White-collar workers: 87.6% (5,193 residents)
  • Blue-collar workers: 12.4% (734 residents)

Places of employment:
  • Self-employed: 8.2% (484 residents)
  • Private companies: 64.8% (3,841 residents)
  • Governmental workers: 15.2% (899 residents)
  • Not-for-profit companies: 11.9% (704 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