Rochester, New Hampshire Population 2021

31,880
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Rochester is a city located in Strafford County New Hampshire. With a 2020 population of 31,880, it is the 5th largest city in New Hampshire (after Manchester, , , and ) and the 1232nd largest city in the United States . Rochester is currently growing at a rate of 0.56% annually and its population has increased by 7.15% since the most recent census, which recorded a population of 29,752 in 2010. Rochester reached it's highest population of in . Spanning over 45 miles, Rochester has a population density of 708 people per square mile.

The average household income in Rochester is $76,258 with a poverty rate of 10.40%. The median rental costs in recent years comes to $1,041 per month, and the median house value is $172,300. The median age in Rochester is 41.8 years, 38.9 years for males, and 45 years for females.

Rochester Demographics

According to the most recent ACS, the racial composition of Rochesterwas:

  • White: 94.23%
  • Two or more races: 2.64%
  • Asian: 1.87%
  • Black or African American: 0.68%
  • Other race: 0.34%
  • Native Hawaiian or Pacific Islander: 0.17%
  • Native American: 0.06%
The current population of Rochester, New Hampshire is 31,880 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 31,526.The last official US Census in 2010 recorded the population at 29,752.

Rochester, New Hampshire Population 2021

Population by Race

Race Population Percentage
White29,17094.23%
Two or More Races8182.64%
Asian5801.87%
Black or African American2120.68%
Some Other Race1040.34%
Native Hawaiian and Other Pacific Islander530.17%
American Indian and Alaska Native180.06%
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Rochester Population by Race

Rochester Population Pyramid $2021

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Rochester Median Age

41.8


Total

38.9


Male

45


Female

Rochester Adults

There are 24,758 adults, (5,569 of whom are seniors) in Rochester.

Rochester Age Dependency

61.3

Age Dependency Ratio

29

Old Age Dependency Ratio

32.3

Child Dependency Ratio

Rochester Sex Ratio

Female

15,532

50.18%

Male

15,423

49.82%

Rochester Population by Age

Rochester Renter vs Owner Occupied by Household Type

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Rochester Household Types

Type Owner Renter
Female42%58%
Non Family53.7%46.3%
Male59.9%40.1%
All67.3%32.7%
Married83.2%16.8%

67.3%

Rate of Home Ownership

Rochester Households and Families

Type Count Average Size Owned
All12,7802.4167.3
Married6,1842.9983.2
Non Family4,5841.2953.7
Female1,1713.342
Male8413.0659.9

2.91

Average Family Size

2.41

Average Household Size

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Rochester Households by Type

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Education Attained Count Percentage
Less Than 9th Grade7073.22%
9th to 12th Grade1,6177.36%
High School Graduate7,74535.23%
Some College4,66521.22%
Associates Degree2,48511.30%
Bachelors Degree3,64116.56%
Graduate Degree1,1235.11%
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Rochester Educational Attainment by Sex (over 25)

Rochester Educational Attainment by Race

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Race Total High School Bachelors
White20,64918,6044,670
Hispanic39434669
Asian39023329
2+ Races30724915
Black210194
Other Race86778
Islander3434
Native American1818

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 22.62%.

Rochester Educational Attainment by Race

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Name Average Male Female
Overall$40,350$43,984$32,848
Less Than 9th Grade$30,395$30,847$23,125
High School Graduate$31,972$39,304$21,794
Some College$40,711$52,421$33,075
Bachelors Degree$49,229$51,447$48,262
Graduate Degree$51,229$58,438$47,961

$40,350

Average Earnings

$43,984

Average Male

$32,848

Average Female

Rochester Earnings by Educational Attainment

Rochester Language by Age

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Rochester Language

94.71% of Rochester residents speak only English, while 5.29% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.59% of the population.

Rochester Language

Rochester Poverty by Race

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Name Total In Poverty Poverty Rate
White28,2742,7989.90%
Hispanic81514918.28%
Asian58010317.76%
Black21210147.64%
Multiple794364.53%

10.40%

Overall Poverty Rate

8.65%

Male Poverty Rate

12.13%

Female Poverty Rate

Poverty in Rochester

The race most likely to be in poverty in Rochester is Black, with 47.64% below the poverty level.

The race least likely to be in poverty in Rochester is Multiple, with 4.53% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.06%. Among those working part-time, it was 11.25%, and for those that did not work, the poverty rate was 20.24%.

Rochester Poverty

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Name Poverty
Less Than 9th Grade20.26%
High School12.02%
Some College5.90%
Bachelors or Greater4.44%

Rochester Poverty Rate by Education

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Rate Poverty
Female Unemployed29.07%
Male Unemployed11.33%
Female Employed5.66%
Male Employed4.28%

Rochester Poverty Rate by Employment Status and Sex

Rochester Income by Household Type

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Name Median Mean
Households$62,179$76,258
Families$74,767$87,633
Married Families$87,197-
Non Families$32,591$51,299
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Income by Household Type

Rochester Marital Status

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Marriage Rates

49.9%

Overall Marriage Rate

51.0%

Male Marriage Rate

48.8%

Female Marriage Rate

Rochester Married by Age and Sex

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Rochester Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Rochester Marital Status by Race

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Rochester Marital Status

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2,830

Number of Veterans

2,634

Male Veterans

196

Female Veterans

War Veterans
Vietnam1,035
First Gulf War561
Second Gulf War469
Korea275
World War II29

Rochester Veterans by War

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Age Group Veterans
55 to 64770
75+688
65 to 74672
35 to 54453
18 to 34247

Rochester Veterans by Age

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Name Veterans % of Total
White2,66911.41%
2+ Races8420.69%
Islander34100.00%
Hispanic255.15%
Black2511.79%
Native American18100.00%

Rochester Veterans by Race

Rochester Veterans by Education

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2.34%

Veteran Poverty Rate

33.09%

Veteran Disability Rate

Rochester Veterans by Education

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64.5%

Labor Force Participation

61.1%

Employment Rate

4.3%

Unemployment Rate

Rochester Employment by Age

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Rochester Employment by Race

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Rochester Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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53.18%

Born in Rochester

96.57%

Native Born

3.43%

Foreign Born

2.04%

Non Citizen

1.39%

Naturalized

Place of Birth

96.57% of Rochester residents were born in the United States, with 53.18% having been born in New Hampshire. 2.04% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Rochester Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202131,8801770.56%
202031,7031770.56%
201931,5261770.56%
201831,3493241.04%
201731,0254181.37%
201630,6073851.27%
201530,222450.15%
201430,1771710.57%
201330,006360.12%
201229,970-17-0.06%
201129,9872050.69%
201029,7821,3210.45%
200028,4611,8310.67%
199026,6305,0702.13%
198021,5603,6221.86%
197017,9382,0111.20%
196015,9272,1511.46%
195013,7761,7641.38%
194012,0121,8031.64%
193010,2095360.54%
19209,6738050.87%
19108,8684020.46%
19008,4661,0701.36%
18907,3961,6122.49%
18805,7841,6813.49%
18704,1030.00%

Rochester Population by Year