Newmarket

County:: Rockingham County
County Seat:: No
Area (mi²):: 2.251
State:: New Hampshire

Newmarket is a CDP located in Rockingham County, New Hampshire. Newmarket has a 2025 population of 5,962. Newmarket is currently growing at a rate of 0.74% annually and its population has increased by 3.92% since the most recent census, which recorded a population of 5,737 in 2020.

The average household income in Newmarket is $99,250 with a poverty rate of 6.62%. The median age in Newmarket is 35.9 years: 33.6 years for males, and 39.3 years for females.

Demographics

The racial composition of Newmarket includes 89.79% White, and smaller percentages for Asian, Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	5,145	89.79%
Two or more races	371	6.47%
Asian	154	2.69%
Black or African American	57	0.99%
Other race	3	0.05%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Newmarket Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Newmarket's average per capita income is $51,345. Household income levels show a median of $83,871. The poverty rate stands at 6.62%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$114,194	-
Families	$102,727	$114,472
Households	$83,871	$99,250
Non Families	$72,083	$82,961

$51,345

Average Income

$83,871

Median Household Income

6.62%

Poverty Rate