Statistic Rochester New Hampshire National
Population 31,305 1,359,711 328,239,523
Population density (sq mi) 695 153 91
Median age 43.3 42.4 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 57% 58% 55%
Families w/ Kids under 18 36% 40% 43%
Speak English 95% 92% 79%
Speak Spanish 1% 2% 13%
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Demographics Quick Facts

  • The population density in Rochester is 354% higher than New Hampshire
  • The median age in Rochester is 2% higher than New Hampshire
  • In Rochester 93.70% of the population is White
  • In Rochester 0.70% of the population is Black
  • In Rochester 1.53% of the population is Asian

Compare Rochester, NH Demographics

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      Rochester population breakdown by race

      Race Rochester New Hampshire National
      White 93.70% 93.68% 73.35%
      Black 0.70% 1.32% 12.63%
      Asian 1.53% 2.42% 5.22%
      American Indian 0.03% 0.16% 0.82%
      Native Hawaiian 0.35% 0.02% 0.18%
      Mixed race 3.04% 1.88% 3.06%
      Other race 0.65% 0.54% 4.75%
      In Rochester, 3.1% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Rochester age breakdown

      Marital status

      Age of children in married couples

      Source: The Rochester, NH demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).