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 and multiracial populations.

Population by Race

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%

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