| Official Name: | Flanders, New York |
| Settlement Type: | Hamlet and census-designated place |
| Mapsize: | 250x200px |
| Pushpin Map: | New York#USA |
| Pushpin Label Position: | bottom |
| Pushpin Label: | Flanders |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Suffolk |
| Subdivision Type3: | Town |
| Subdivision Name3: | Southampton |
| Area Footnotes: | [1] |
| Area Total Km2: | 32.07 |
| Area Land Km2: | 29.78 |
| Area Water Km2: | 2.29 |
| Area Total Sq Mi: | 12.38 |
| Area Land Sq Mi: | 11.50 |
| Area Water Sq Mi: | 0.88 |
| Population As Of: | 2020 |
| Population Total: | 5098 |
| Population Density Km2: | 171.17 |
| Population Density Sq Mi: | 443.30 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 2 |
| Elevation Ft: | 7 |
| Coordinates: | 40.905°N -72.6117°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 11901 |
| Area Code: | 631 |
| Blank Name: | FIPS code |
| Blank Info: | 36-26121 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0950227 |
| Unit Pref: | Imperial |
Flanders is a hamlet and a census-designated place (CDP) in Suffolk County, New York, United States. The population was 4,472 at the 2010 census.[2] It is the location of the Big Duck.
It is located in the town of Southampton on the south side of the Peconic River at its mouth in Peconic Bay. Riverhead is across the river to the north.
Flanders is located at (40.905086, -72.611717).[3]
According to the United States Census Bureau, the CDP has a total area of 30.1km2, of which 29.7km2 is land and 0.4km2, or 1.49%, is water.[2]
As of the census[4] of 2010, there were 4,705 people, 1,797 households, and 1,068 families residing in the CDP. The population density was 297.1sp=usNaNsp=us. There were 1,797 housing units at an average density of 124sp=usNaNsp=us. The racial makeup of the CDP was 25.63% White, 21.12% African American, 8.05% Native American, 1.04% Asian, 2.08% from other races, and 12.06% from two or more races. Hispanic or Latino of any race were 42.08% of the population.
There were 652 households that had children under the age of 18 living with them, 47.5% were married couples living together, 16.4% had a female householder with no husband present, and 29.4% were non-families. 21.5% of all households were made up of individuals, and 7.0% had someone living alone who was 65 years of age or older. The average household size was 3.28 and the average family size was 3.41.
In the CDP, the population was spread out, with 19% under the age of 18, 5.6% from 18 to 24, 52.7% from 15 to 44, 20.9% from 45 to 64, and 6,8% who were 65 years of age or older. The median age was 36.1 years. For every 100 females, there were 149.2 males.
The median income for a household in the CDP was $82,868, and the median income for a family was $69,615. Males had a median income of $46,844 versus $34,833 for females. The per capita income for the CDP was $26,274. About 15.7% of families and 16.2% of the population were below the poverty line, including 16.9% of those under age 18 and none of those age 65 or over.