Rochester Flag

Rochester

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.

34.2K
Total Population
759
Density (mi²)
334 0.99%
Growth

Rochester Population

Rochester Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rochester includes 92.76% White, and smaller percentages for Asian, Black or African American, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White30,48892.76%
Two or more races1,2953.94%
Asian5911.8%
Black or African American2700.82%
Other race2220.68%

Rochester Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)