| Official Name: | Shelter Island Heights, New York |
| Settlement Type: | Hamlet and census-designated place |
| Mapsize: | 250x200px |
| Pushpin Map: | New York |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Suffolk |
| Area Footnotes: | [1] |
| Area Total Km2: | 35.04 |
| Area Land Km2: | 13.98 |
| Area Water Km2: | 21.06 |
| Area Total Sq Mi: | 13.53 |
| Area Land Sq Mi: | 5.40 |
| Area Water Sq Mi: | 8.13 |
| Population As Of: | 2020 |
| Population Total: | 1601 |
| Population Density Km2: | 114.52 |
| Population Density Sq Mi: | 296.59 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 17 |
| Elevation Ft: | 56 |
| Coordinates: | 41.0781°N -72.3508°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 11965 |
| Area Code: | 631, 934 |
| Blank Name: | FIPS code |
| Blank Info: | 36-66850 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0965037 |
| Unit Pref: | Imperial |
| Area Code Type: | Area codes |
| Subdivision Type3: | Town |
| Subdivision Name3: | Shelter Island |
| Pushpin Map Caption: | Location within the state of New York |
| Pushpin Label Position: | None |
Shelter Island Heights is a hamlet and census-designated place (CDP) located in the Town of Shelter Island, in Suffolk County, New York, United States. It is located on the north side of Shelter Island, surrounding the village of Dering Harbor. The population was 1,601 at the time of the 2020 census.[2]
According to the United States Census Bureau, the CDP has a total area of 5.6sqmi, of which 5.4sqmi is land and 0.3sqmi, or 4.97%, is water.[3]
At the 2000 census[4] there were 981 people, 459 households and 302 families residing in the CDP. The population density was 183.1sp=usNaNsp=us. There were 1,374 housing units at an average density of 256.5sp=usNaNsp=us. The racial makeup of the CDP was 98.17% White, 0.31% African American, 0.41% Asian, and 1.12% from two or more races. Hispanic or Latino of any race were 1.33% of the population.
There were 459 households, of which 16.3% had children under the age of 18 living with them, 58.8% were married couples living together, 5.9% had a female householder with no husband present, and 34.0% were non-families. 29.8% of all households were made up of individuals, and 20.7% had someone living alone who was 65 years of age or older. The average household size was 2.14 and the average family size was 2.62.
14.9% of the population were under the age of 18, 3.1% from 18 to 24, 14.3% from 25 to 44, 31.9% from 45 to 64, and 35.9% who were 65 years of age or older. The median age was 56 years. For every 100 females, there were 87.6 males. For every 100 females age 18 and over, there were 86.8 males.
The median household income was $65,446 and the median family income was $76,162. Males had a median income of $46,750 compared with $37,955 for females. The per capita income was $34,083. About 4.6% of families and 6.2% of the population were below the poverty line, including 7.6% of those under age 18 and 2.9% of those age 65 or over.