# South Farmingdale, New York

South Farmingdale is a hamlet and census-designated place (CDP) in the Town of Oyster Bay in Nassau County, on the South Shore of Long Island, in New York, United States. It is considered part of the Greater Farmingdale area, which is anchored by the Incorporated Village of Farmingdale. The population of the CDP was 14,345 at the time of the 2020 census.

## History

South Farmingdale's name reflects its geographic location immediately south of and adjacent to the Incorporated Village of Farmingdale.
A railroad station named South Farmingdale previously existed in the hamlet on the Central Branch of the Long Island Rail Road. It had originally opened in 1873 and closed in 1898, and then reopened in 1936 and closed for the final time in 1972.

## Geography

According to the United States Census Bureau, South Farmingdale has a total area of 2.2 square miles (5.7 km$^2$), all land.
The CDP gained territory between the 1990 census and the 2000 census.

### Topography and drainage

South Farmingdale is located on a flat outwash plain, and as such, the hamlet's topography is largely flat. Additionally, South Farmingdale is split between the Massapequa Creek and Seaford Creek drainage areas, and is located within the larger Long Island Sound/Atlantic Ocean Watershed.

### Postal services

Residents of South Farmingdale have a ZIP code of 11735. They are served by the Farmingdale Post Office, located at 918 Main Street, Farmingdale, NY 11735-5426. While residents can and do typically use Farmingdale as their postal address, the post office also accepts mail that is addressed to South Farmingdale.

## Demographics
### 2020 census

At the time of the 2020 census, there were 14,345 people residing in the hamlet.

### 2010 census

At the time of the 2010 census, there were 14,486 people residing in the CDP. The racial makeup of the CDP was 90.1% White 83% Non-Hispanic White, 1.4% African American, 0.1% Native American, 4.5% Asian, 0.0% Pacific Islander, 2.2% from other races, and 1.7% from two or more races. Hispanics or Latinos of any race were 10% of the population.

### 2000 census

At the time of the 2000 census, there were 15,061 people 4,899 households, and 4,095 families residing in the CDP. The population density was 6,886.0 inhabitants per square mile (2,658.7/km$^2$). There were 4,950 housing units at an average density of 2,263.2 per square mile (873.8/km$^2$). The racial makeup of the CDP was 93.01% White, 0.79% African American, 0.08% Native American, 3.18% Asian, 0.03% Pacific Islander, 1.85% from other races, and 1.07% from two or more races. Hispanic or Latino of any race were 5.90% of the population.
There were 4,899 households, of which 36.3% had children under the age of 18 living with them, 69.9% were married couples living together, 10.5% had a female householder with no husband present, and 16.4% were non-families. 13.5% of all households were made up of individuals, and 7.2% had someone living alone who was 65 years of age or older. The average household size was 3.07 and the average family size was 3.37.
Age distribution was 25.1% under the age of 18, 6.2% from 18 to 24, 30.8% from 25 to 44, 21.7% from 45 to 64, and 16.2% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 96.5 males. For every 100 females age 18 and over, there were 91.0 males.
The median household income was $71,168, and the median family income was $76,049. Males had a median income of $52,290 versus $36,475 for females. The per capita income for the CDP was $25,927. About 2.5% of families and 2.8% of the population were below the poverty line, including 4.4% of those under age 18 and 2.9% of those age 65 or over.

## Government

As an unincorporated hamlet within the Town of Oyster Bay, South Farmingdale is governed directly by the town's government, which is seated in Oyster Bay.

### Politics

In the 2024 U.S. presidential election, the majority of South Farmingdale voters voted for Donald J. Trump (R).

## Education
### Schools

South Farmingdale is served by the Farmingdale Union Free School District.
The district includes Farmingdale High School, Howitt Middle School, Northside Elementary School, Woodward Parkway School, Albany Avenue Elementary School in North Massepequa, and Saltzman East Memorial in Suffolk County.

### Library district

South Farmingdale is located within the boundaries of the Farmingdale Library District, which is served by the Farmingdale Public Library.
Furthermore, the Farmingdale Public Library is located within the hamlet, at 116 Merritts Road.

## Parks and recreation

South Farmingdale is home to Ellsworth W. Allen Town Park, which is owned and operated by the Town of Oyster Bay. The park has an area of approximately 15.8 acres (6.4 ha) and includes a playground, several athletic fields, a spray park, and areas for picnicking.

## Infrastructure
### Transportation
#### Road

Major roads in South Farmingdale include Merritts Road, Motor Avenue, and the Southern State Parkway.

#### Rail

No Long Island Rail Road stations are located within the hamlet – although the LIRR's Central Branch forms its northern border. The nearest stations to the hamlet are Farmingdale on the Ronkonkoma Branch and Massapequa Park on the Babylon Branch.
Additionally, the now-closed South Farmingdale station was once located on the Central Branch, within the hamlet; it closed in the 1970s. It was along this stretch of the Central Branch that Mile-a-Minute Murphy set a record in 1899, pedaling a bicycle for one mile behind a train in less than one minute.

### Utilities
#### Natural gas

National Grid USA provides natural gas to homes and businesses that are hooked up to natural gas lines in South Farmingdale.

#### Power

PSEG Long Island provides power to all homes and businesses within South Farmingdale.

#### Sewage

South Farmingdale is located within the Nassau County Sewage District and is connected to its sanitary sewer network.

#### Water

South Farmingdale is located with the boundaries of (and is thus served by) the South Farmingdale Water District, which has provided service to the area since 1931.

### Emergency services
#### Fire

South Farmingdale is primarily within the boundaries of (and is thus served by) the South Farmingdale Fire District. The district's main firehouse is located at 819 Main Street, while a second station is at the corner of Merrits Rd and Beverly Road. A small portion of the hamlet, meanwhile, is located within the boundaries of (and is thus served by) the North Massapequa Fire District.

#### Police

South Farmingdale is served by the Nassau County Police Department's 8th Precinct, with RMPs 816 and 817 assigned as the patrol cars for the hamlet.