Rochester

County:: Strafford County
County Seat:: No
Area (mi²):: 45.021
State:: New Hampshire

Rochester is a city located in Strafford County, New Hampshire. Rochester has a 2025 population of 34,187. Rochester is currently growing at a rate of 0.99% annually and its population has increased by 5.14% since the most recent census, which recorded a population of 32,517 in 2020.

The average household income in Rochester is $93,840 with a poverty rate of 8.45%. The median age in Rochester is 43.4 years: 40.9 years for males, and 45.5 years for females.

Demographics

The racial composition of Rochester includes 92.76% 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	30,488	92.76%
Two or more races	1,295	3.94%
Asian	591	1.8%
Black or African American	270	0.82%
Other race	222	0.68%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Rochester Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rochester's average per capita income is $50,855. Household income levels show a median of $79,388. The poverty rate stands at 8.45%.

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	$116,868	-
Families	$103,796	$115,617
Households	$79,388	$93,840
Non Families	$40,550	$53,461

$50,855

Average Income

$79,388

Median Household Income

8.45%

Poverty Rate