The population of Suffolk county is estimated at 1,494,334 where 1,118,427 speak English exclusively and 5,730 speak primarily in another language. In 2017 there were 15,513 births and 12,780 deaths in Suffolk county. Suffolk county has 286,755 housing units that are owned with a mortgage or a loan, 106,752 that are owned free and clear and 106,415 that are renter occupied.

  The upstanding residents of Suffolk County filed 779,210 federal tax returns in 2017. This amount represents 8.1% of all New York filings and 0.523% of the entire nation. Suffolk had an astronomical combined total federal tax liability of $12,581,994,000 on earned income of $68,398,905,000. Other notable statistics from Suffolk County were 24,580 unemployment claims which collected a total of $122,204,000 and 322,600 charitable contributions valued at $1,224,075,000. 312,200 filings from Suffolk County paid a combined total of $3,261,915,000 in property taxes and 249,240 filings paid $2,373,804,000 on mortgage interest costs.

  In 2010 Suffolk county had 704 religious congregations with an estimated 1,076,830 members.
35.0% of the Suffolk population has a college level Bachelors degree or higher. 9.9% have less than a highschool diploma level education.

Approximately 42% of Suffolk County voted in the presidential election of 2016. This is an increase from the 2012 election by 85,067 votes.
At $94,108 the median income is 145.3% of the New York average. An estimated 35,544 people claimed to be unemployed last year in Suffolk, the equivalant of around 4.5% of the county population. This represents an increase in the level of unemployment from the previous year's value of 4.4%.

Top 15 Industries in Suffolk County.
Total # Employed	Industry Job Type
95,248	Health care and social assistance
79,498	Retail trade
51,967	Manufacturing
45,646	Accommodation and food services
45,152	Administrative and support and waste management and remediation services
43,771	Professional, scientific, and technical services
42,910	Food services and drinking places
42,495	Administrative and support services
37,819	Wholesale trade
37,656	Restaurants and other eating places
33,674	Ambulatory health care services
26,896	Hospitals
23,712	Merchant wholesalers, durable goods
22,712	Finance and insurance
22,129	Full-service restaurants

In 2018 the average price reduction was 3.83% in Suffolk County (averaging across 61 zip codes a sample of which are; 11729, 11743, 11742, 11768 and 11784).

In 2018 11.82% of listings in Suffolk County (averaging across 79 zip codes a sample of which are; 11976, 11752, 11792, 11727 and 11789) dropped their price.

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