Suffolk County Demographics


  • Total Population797,335
  • Male Population(48.3 %) 385,207
  • Female Population(51.7 %) 412,128
  • Median Age33.80
There are currently 797,335 people living in Suffolk County. Out of the total population number, 385,207 are men and 412,128 are women. The median age for Suffolk County dwellers is 33.80.


  • White Collar378,726
  • Blue Collar51,589
There are currently 378,726 white-collar jobs and 51,589 blue-collar jobs in Suffolk County.


  • Total Households308,589
  • Family Households154,872
  • Non-family Households153,717
  • Households With Children74,784
  • Households Without Children233,805
  • Average People Per Household2.27
There are currently 308,589 households in Suffolk County. Out of this total, 154,872 are family households, 153,717 are non-family households, 74,784 are households with children and 233,805 are households without children. The average number of people per household in Suffolk County is 2.27.

Education(Number of people who have achieved the following levels of education)

  • No High School46,051
  • Some High School193,086
  • Some College99,246
  • Associate Degree27,751
  • Bachelors Degree153,787
  • Graduate Degree110,204
There are 46,051 people living in Suffolk County without a high school degree, 193,086 people with some high school degree and 99,246 people with a college degree. 27,751 people have an associate degree, 153,787 hold a bachelor’s degree, while 110,204 boast a graduate degree.

Marital Status(Number of people who have the following marital status)

  • Never Married366,464
  • Married233,108
  • Separated19,574
  • Widowed29,794
  • Divorced53,580
366,464 of the people living in Suffolk County have never been married, while 233,108 are married and 19,574 are separated. A total of 29,794 people are widowed and 53,580 people are divorced.


  • Average Household Income$110,052
  • Median Household Income$64,877
  • Median Income Under 25$39,213
  • Median Income 25-44$79,874
  • Median Income 45-64$69,472
  • Median Income Over 65$28,990

The average household income for people living in Suffolk County is $110,052, while the median household income is $64,877. The median income in Suffolk County is $39,213 for those under 25, $79,874 for those aged 25 to 44, $69,472 for those aged 45 to 64, and $28,990 for those over the age of 65.


Demographic information is extracted from the Unites States Census Bureau and is deemed reliable, however, COMMERCIALCafé can offer no guarantee of the accuracy or completeness of information modified or aggregated for specific neighborhoods.