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 2026 population of 34,136. Rochester is currently growing at a rate of 0.79% annually and its population has increased by 4.97% since the most recent census, which recorded a population of 32,521 in 2020.

The median household income in Rochester is $80,836 with a poverty rate of 8.27%. The median age in Rochester is 43 years: 41.3 years for males, and 44.5 years for females. For every 100 females there are 102.0 males.

34.1K
Total Population
758
Density (mi²)
269 0.79%
Growth

Rochester Population

Rochester Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202634,1362690.79%
202533,8672690.8%
202433,598750.22%
202333,5234191.27%
202233,1041940.59%
202132,9103891.2%
202032,521250.08%
201931,6021750.56%
201831,4273421.1%
201731,0854251.39%
201630,6603961.31%
201530,264520.17%
201430,2121800.6%
201330,032440.15%
201229,988-9-0.03%
201129,9972110.71%
201029,786340.11%
200028,4611,8316.88%
199026,6305,07023.52%
198021,5603,62220.19%
197017,9382,01112.63%
196015,9272,15115.61%
195013,7761,76414.69%
194012,0121,80317.66%
193010,2095365.54%
19209,6738059.08%
19108,8684024.75%
19008,4661,07014.47%
18907,3961,61227.87%
18805,7841,68140.97%
18704,10300%

Median Age

Overall: 43 years
Female: 44.5 years
Male: 41.3 years

Rochester Adults

There are 27,115 adults, (6,487 of whom are seniors) in Rochester.

Sex Ratio

Female: 16,408 (49.5%)
Male: 16,736 (50.5%)

Demographics

The racial composition of Rochester includes 91.56% White, and smaller percentages for Asian, Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White30,34891.56%
Two or more races1,6685.03%
Asian4791.45%
Black or African American3541.07%
Other race2950.89%
Race
Population ↓
Percentage (of total)
Two or more races3331%
Other race2530.76%
White1440.43%
Race
Population ↓
Percentage (of total)
White30,20491.13%
Two or more races1,3354.03%
Asian4791.45%
Black or African American3541.07%
Other race420.13%

Rochester Marital Status

Economics and Income Statistics

Rochester 's average per capita income is $54,032. Household income levels show a median of $80,836. The poverty rate stands at 8.27%.

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$122,725-
Families$109,780$123,414
Households$80,836$98,390
Non Families$43,282$55,584

$54,032

Average Income

$80,836

Median Household Income

8.27%

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)