Rochester, New Hampshire Demographics & Population 2026
During the 2020–2024 ACS period, Rochester, New Hampshire had a total population of 33,144, the 5th largest city in New Hampshire, with a median household income of $80,836, which is 18% lower than the state average. The poverty rate is 8.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Rochester is the 5th largest city in New Hampshire with a population of 33,144.
Rochester Quick Facts
How Rochester Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 32,866 | 33,144 | +0.8% |
| Median household income | $79,388 | $80,836 | +1.8% |
| Median home value | $262,600 | $279,100 | +6.3% |
How Rochester Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 24 | National average: 61
Education
Educational Attainment (Adults 25+)
Rochester Rankings in New Hampshire
Explore New Hampshire Rankings
Other Cities in Strafford County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dover | 33,364 | $94,829 | 8.3% | $436,700 |
| Somersworth | 12,111 | $74,504 | 11.2% | $318,400 |
| Durham | 10,681 | $112,070 | 12.4% | $498,000 |
| Farmington | 3,924 | $55,029 | 14.1% | $229,600 |
| Milton | 356 | $48,125 | 9.3% | $240,400 |
| Milton Mills | 72 | $250,000+ | 11.1% | $366,000 |
Cities Similar to Rochester
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Dover | 33,364 | $94,829 | $436,700 | 52.0% | 8.3% |
| Concord | 44,375 | $84,902 | $350,900 | 42.3% | 8.9% |
| Keene | 22,939 | $78,445 | $252,500 | 44.1% | 10.1% |
| Derry | 21,339 | $91,673 | $391,200 | 36.7% | 4.3% |
| Portsmouth | 22,545 | $106,219 | $688,500 | 64.0% | 6.8% |
Population Overview
Rochester is a mid-sized community located in New Hampshire, within Strafford County. The total population is 33,144. It ranks as the 5th most populous out of 100 Census-designated places in New Hampshire.
Age Demographics
The median age in Rochester is 43.0 years. This is about the same as the state median of 43.3 years.
Economy, Income & Housing
The median household income in Rochester is $80,836. This is 18% lower than the state median of $99,031. It is also about the same as the national median of $80,734. The poverty rate stands at 8.3%. This is 14% higher than the state poverty rate of 7.2%. The unemployment rate is 2.7%. This is 19% lower than the state rate of 3.4%. The median home value is $279,100. Housing costs are 31% lower than the state median of $402,500. The home-value-to-income ratio is 3.5x. 66.0% of occupied housing units are owner-occupied. This homeownership rate is 9% lower than the state average of 72.8%.
Race & Ethnicity
Rochester has a predominantly White (non-Hispanic) population, comprising 91.1% of all residents. Hispanic or Latino residents account for 2.2%. The Hispanic or Latino population (2.2%) is well below the state average of 4.7%.
Education
27.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 33% lower than the state rate of 40.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.5%.
Data Sources & Methodology
All demographic data for Rochester, New Hampshire is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Hampshire state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 100 Census-designated places in New Hampshire. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Rochester, New Hampshire?
Rochester, New Hampshire has a population of 33,144 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Rochester, NH?
The median household income in Rochester is $80,836, which is about the same as the national median of $80,734.
What is the poverty rate in Rochester, NH?
The poverty rate in Rochester is 8.3%. This means approximately 2,693 residents live below the federal poverty line.
What is the racial makeup of Rochester, New Hampshire?
Rochester's population is 91.1% White, 1.1% Black, 2.2% Hispanic/Latino, and 1.5% Asian.
What is the median home value in Rochester, NH?
The median home value in Rochester is $279,100. The home-value-to-income ratio is 3.5x.
How educated is Rochester, New Hampshire?
27.1% of adults (25+) in Rochester hold a bachelor's degree or higher, and 8.0% hold a graduate or professional degree.