Rochester, NH Profile: Facts & Data

The City of Rochester is the 5th largest city in New Hampshire with a population of 32,532 as of July 1, 2025.

The primary coordinate point for Rochester is located at latitude 43.3045 and longitude -70.9756 in Strafford County. The formal boundaries for the City of Rochester encompass a land area of 45.4 sq. miles and a water area of 0.36 sq. miles. Strafford County is in the Eastern time zone (GMT -5).

The City of Rochester has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Rochester, NH Data & Demographics (As of July 1, 2025)

POPULATION
Total Population	32,532 (100%)
Population in Households	32,151 (98.8%)
Population in Families	23,732 (72.9%)
Population in Group Quarters¹	381 ( 1.2%)
Population Density	723
Diversity Index²	25


INCOME
Median Household Income	$79,719
Average Household Income	$99,011
% of Income for Mortgage⁴	26%
Per Capita Income	$44,143
Wealth Index⁵	79
Socioeconomic Status Index⁶	Moderate (52.2)

HOUSING
Total HU (Housing Units)	15,277 (100%)
Owner Occupied HU	9,611 (62.9%)
Renter Occupied HU	4,882 (32.0%)
Vacant Housing Units	784 ( 5.1%)
Median Home Value	$334,360
Average Home Value	$356,765
Housing Affordability Index³	79

HOUSEHOLDS
Total Households	14,493
Average Household Size	2.22
Family Households	8,737
Average Family Size	3.00

NOTES

Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

Rochester, NH - Peer Comparisons by Rank and Percentile

The table below compares Rochester to the other 100 incorporated cities, towns and CDPs in New Hampshire by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

GROWTH RATE / YEAR	2020-2025	2025-2030
Population	0.02%	0.71%
Households	0.88%	1.20%
Families		1.13%
Median Household Income		3.53%
Per Capita Income		2.82%
Owner Occupied HU		1.47%

Variable Description	Rank	Percentile
Total Population	# 5	96th
Population Density	# 45	56th
Median Household Income	# 57	44th
Housing Affordability Index	# 64	64th
Per Capita Income	# 62	39th
Diversity Index	# 27	73rd

Rochester, NH Profile: Facts & Data

Rochester, New Hampshire - Basic Facts

Rochester, NH Data & Demographics (As of July 1, 2025)

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Rochester, NH - Peer Comparisons by Rank and Percentile

Rochester, NH - Most Popular Things to Do

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