Rochester, NH Profile: Facts, Map & Data


Rochester Local Links & Resources:
Hotels | Resources | ALL Rochester Content

Also See: Rochester, NH ZIP Codes & ZIP Code Maps | Local Area Photos

Rochester, New Hampshire - Basic Facts

The City of Rochester is the 5th largest city in New Hampshire with a population of 31,179 as of July 1, 2017.

The primary coordinate point for Rochester is located at latitude 43.2985 and longitude -70.977 in Strafford County. The formal boundaries for the City of Rochester (see map below) 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 elevation is 230 feet.

The City of Rochester (GNIS ID: 873708) 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.

Beneath the boundary map are tables with Rochester population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


City of Rochester, NH Boundary Map

Also See: BIG Map | Driving Directions | NH Congressional Districts
Boundary Maps: Strafford County | New Hampshire Counties

Search the map for:

Rochester, NH Data & Demographics (As of July 1, 2017)


Total Population 31,179
Daytime Population: Workers 14,792
Daytime Population: Residents 15,882
Total Daytime Population (TDP) 30,674
Ratio TDP/Total Population1 0.98
Population in Households 30,917
Population in Familes 23,845
Population in Group Qrtrs 262
Population Density2 687
Diversity Index3 15


Median Household Income $53,925
Average Household Income $69,597
Per Capita Income $29,146


Total Housing Units 13,987 (100%)
Owner Occupied HU 8,497 (60.7%)
Renter Occupied HU 4,464 (31.9%)
Vacant Housing Units 1,026 ( 7.3%)
Median Home Value $182,604
Average Home Value $190,835


Total Households 12,961
Average Household Size 2.39
Family Households 8,222
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 race 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.


2010-2017 2017-2022
Population 0.65% 0.68%
Households 0.64% 0.67%
Families 0.49% 0.57%
Median Household Income   1.35%
Per Capita Income   2.62%

Rochester, NH - Peer Comparisons by Rank and Percentile

The table below compares Rochester to the other 97 incorporated cities, towns and CDPs in New Hampshire by rank and percentile using July 1, 2017 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.

Variable Description Rank Percentile
Total Population # 5 96th
Population Density # 50 49th
Diversity Index # 26 74th
Median Household Income # 59 40th
Per Capita Income # 61 38th

Additional comparisons and rankings can be made with a VERY EASY TO USE New Hampshire Census Data Comparison Tool.

New Hampshire Research Tools

New Hampshire Census Data Comparison Tool

Compare New Hampshire Census Data
Highest or Lowest: