Suffolk County NY Information

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Suffolk County Subdivisions

Suffolk County NY Data & Demographics (As of July 1, 2017)

POPULATION

Total Population 1,517,429
Daytime Population: Workers 667,974
Daytime Population: Residents 750,288
Total Daytime Population (TDP) 1,418,262
Ratio TDP/Total Population1 0.93
Population in Households 1,488,648
Population in Familes 1,260,387
Population in Group Qrtrs 28,781
Population Density2 1,664
Diversity Index3 58
 

INCOME

Median Household Income $95,679
Average Household Income $122,381
Per Capita Income $41,145

HOUSING

Total Housing Units 578,413 (100%)
Owner Occupied HU 392,834 (67.9%)
Renter Occupied HU 112,244 (19.4%)
Vacant Housing Units 73,335 (12.7%)
Median Home Value $404,704
Average Home Value $489,401
 

HOUSEHOLDS

Total Households 505,078
Average Household Size 2.95
Family Households 371,202
Average Family Size 3
NOTES
  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.

GROWTH RATE / YEAR

2010-2017 2017-2022
Population 0.22% 0.29%
Households 0.14% 0.23%
Families 0.01% 0.15%
Median Household Income   1.68%
Per Capita Income   2.24%

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Suffolk County NY - Peer Comparisons by Rank and Percentile

The table below compares Suffolk County to the other 62 counties and county equivalents in New York 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 # 4 95th
Population Density # 9 87th
Diversity Index # 10 85th
Median Household Income # 3 97th
Per Capita Income # 5 94th

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

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