Ronkonkoma ZIP Code List — Suffolk County, NY

There is one unique ZIP code in Ronkonkoma, New York and it is 11779. Area code: 631/516.

ZIP codes

12.47

sq mi land

0.33

sq mi water

631/516

area code

Ronkonkoma, NY ZIP code map

About Ronkonkoma, NY

Ronkonkoma, NY, is a vibrant hamlet located in Suffolk County on Long Island. Renowned for its picturesque lake and bustling community, Ronkonkoma serves as a pivotal residential area for those commuting to various parts of New York. The town has a rich cultural heritage and offers a blend of suburban tranquility and modern amenities, making it a desirable place to call home.

Location & geography

Situated approximately 60 miles east of Manhattan, Ronkonkoma is bordered by several nearby communities including Lake Ronkonkoma to the east, Holbrook to the south, and Islip to the west. The area covers a total land area of 24.94 square miles, with an additional 0.66 square miles allocated to water, primarily accounting for the scenic views around the local lake. The terrain is characteristically flat, which is typical for much of Long Island, offering lush green spaces and recreational areas.

Community & economy

Ronkonkoma boasts a close-knit community that fosters a welcoming atmosphere among its residents. The economy is supported by a variety of industries, including retail, healthcare, and education, contributing to a diverse job market. Daily life in Ronkonkoma is enriched by local parks, shopping centers, and dining options that cater to a wide array of tastes and preferences.

Transportation

Key transportation routes such as the Long Island Expressway (I-495) and Nicolls Road facilitate easy commuting in and out of Ronkonkoma. The nearest airport is Long Island MacArthur Airport, which lies just a short drive away, providing convenient access to domestic flights. Additionally, Ronkonkoma is serviced by the Ronkonkoma train station, linking residents to the Long Island Rail Road for reliable public transit.

History

Founded in the 19th century, Ronkonkoma originally thrived as a resort destination due to its proximity to the lake, which attracted visitors seeking leisure and recreation. The expansion of the railroads in the early 20th century spurred further development, transforming the area into a prominent residential and commercial hub. Notable events in the town's history include the establishment of the Long Island Rail Road station, which significantly contributed to its growth.

Did you know?

One surprising fact about Ronkonkoma is that it is home to the largest freshwater lake on Long Island, known as Lake Ronkonkoma, which historically served as a popular vacation spot. Additionally, Ronkonkoma has a reputation for being the birthplace of the famous phrase 'The Long Island Sound,' highlighting its cultural significance in the region.

ZIP codes for Ronkonkoma, NY (1)

ZIP code	City	County	Map
11779	Ronkonkoma	Suffolk	View map

Demographics & statistics

38,654

Population

38.7

Median age

$113,355

Median household income

$44,110

Per capita income

$433,100

Median home value

$1,976

Median monthly rent

74.2%

Home ownership

5.7%

Poverty rate

7.0%

Unemployment

10,613

Housing units

30.2%

Bachelor's or higher

Age distribution

Male Female

1,039

Under 5

1,042

1,026

5–9

1,028

1,184

10–14

1,186

1,081

15–19

1,084

1,590

20–24

1,594

2,672

25–34

2,677

2,359

35–44

2,363

2,891

45–54

2,897

1,475

55–59

1,477

1,107

60–64

1,109

1,621

65–74

1,624

960

75–84

962

303

85+

303

← Male

Female →

Age summary

Group	Count	%
Under 18	7,837	20.3%
18 and over	30,817	79.7%
65 and over	5,773	14.9%
Median age	38.7 years

Race & ethnicity

White 72.3%

Hispanic or Latino 7.8%

Two or more races 6.3%

Asian 6.1%

Black or African American 4.2%

Other race 3.1%

American Indian / Alaska Native 0.2%

Group	Count	%
White	30,312	72.3%
Hispanic or Latino	3,259	7.8%
Two or more races	2,637	6.3%
Asian	2,542	6.1%
Black or African American	1,754	4.2%
Other race	1,297	3.1%
American Indian / Alaska Native	103	0.2%

Household income

Under $10k 3.3%

$10k–$15k 1.3%

$15k–$25k 2.9%

$25k–$35k 5.6%

$35k–$50k 4.9%

$50k–$75k 13.7%

$75k–$100k 12.9%

$100k–$150k 21.2%

$150k–$200k 16.4%

$200k+ 17.9%

Range	% of households
Under $10k	3.3%
$10k–$15k	1.3%
$15k–$25k	2.9%
$25k–$35k	5.6%
$35k–$50k	4.9%
$50k–$75k	13.7%
$75k–$100k	12.9%
$100k–$150k	21.2%
$150k–$200k	16.4%
$200k+	17.9%
Median income	$113,355

Housing

Home values

Under $50k 1.7%

$50k–$100k 0.2%

$100k–$150k 0.3%

$150k–$200k 0.6%

$200k–$300k 8.2%

$300k–$500k 67.7%

$500k–$1M 21.0%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$433,100
Median rent / month	$1,976
Owner occupied	74.2%
Renter occupied	25.8%
Vacant	6.6%
Single-family detached	78.7%
Large apartment buildings	6.5%
Mobile homes	0.2%
Median rooms	6.2
Avg household size (owned)	3.19

Year built

Era	%
2020 or later	0.0%
2010–2019	4.4%
2000–2009	3.0%
1990–1999	5.8%
1980–1989	7.9%
1970–1979	29.4%
1960–1969	20.8%
1950–1959	16.4%
1940–1949	5.6%
1939 or earlier	6.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.2%
1 bedroom	13.2%
2 bedrooms	18.8%
3 bedrooms	36.9%
4 bedrooms	22.8%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	5.5%
1 vehicle	28.2%
2 vehicles	33.1%
3 or more	33.3%

Heating fuel

Fuel type	%
Utility gas	33.3%
Electricity	7.9%
Propane / LP gas	1.4%
Fuel oil	55.5%
Wood	0.3%
Solar	0.7%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	7,270	55.6%
Cohabiting couple	932	7.1%
Male householder, no spouse	1,774	13.6%
Female householder, no spouse	3,093	23.7%
Households with children under 18	4,048	31.0%
Households with seniors (65+)	4,343	33.2%
Average household size	2.93

Marital status

Status	Male	Female
Never married	36.5%	32.4%
Married	52.9%	48.1%
Separated	0.8%	1.2%
Widowed	2.3%	8.3%
Divorced	7.5%	10.0%

Education

Less than 9th grade 2.7%

Some HS, no diploma 3.2%

HS graduate 33.3%

Some college, no degree 19.7%

Associate's degree 10.9%

Bachelor's degree 17.4%

Graduate / professional 12.8%

Metric	%
HS diploma or higher	94.1%
Bachelor's or higher	30.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	342	4.1%
Kindergarten	432	5.1%
Elementary school	3,556	42.2%
High school	1,743	20.7%
College / grad school	2,350	27.9%

Employment

Industry of employment

Education & healthcare 24.9%

Retail trade 12.6%

Professional & management 11.4%

Arts, food & hospitality 8.6%

Construction 7.8%

Transportation & utilities 6.9%

Manufacturing 6.7%

Finance & real estate 5.7%

Public administration 5.4%

Other services 4.0%

Wholesale trade 3.0%

Information 2.7%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	37.1%
Service	15.3%
Sales & office	27.1%
Natural resources & construction	9.8%
Production & transportation	10.7%

Employment type

Type	%
Private sector	78.2%
Government	18.8%
Self-employed	2.9%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	81.5%
Carpool	7.7%
Public transit	3.4%
Walk	0.5%
Other means	0.5%
Avg commute (minutes)	32.2

Poverty

All people 5.7%

Under 18 years 7.4%

18 and over 5.3%

Married-couple families 2.0%

Female-led households 9.2%

Income support

Source	% of households
Social Security	32.5%
Retirement income	25.4%
Supplemental Security	4.5%
Cash public assistance	2.1%
Food stamps / SNAP	5.1%

Health indicators

Condition	%
High blood pressure	27.0%
High cholesterol	29.5%
Heart disease	5.0%
Stroke	2.3%
Asthma	9.5%
Arthritis	19.0%
Kidney disease	2.4%
Pulmonary disease	5.4%
Cancer	6.2%

Behavior / access	%
Binge drinking	19.0%
No physical activity	21.6%
Less than 7 hrs sleep	34.5%
Fair or poor health	10.2%
Poor mental health	13.7%
Poor physical health	8.4%
No health insurance	10.4%
Visited doctor (checkup)	77.4%
Visited dentist	68.8%
Cholesterol screening	91.4%
Teeth loss	10.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,235	4.0%

Disability	%
Any disability	10.3%
Under 18	4.6%
18–64 years	7.0%
65 and over	32.1%

Health insurance coverage

Type	%
Private insurance	79.1%
Public insurance	30.2%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	36,573	94.6%
Spanish	1,964	5.4%
Other Indo-European	801	2.2%
Asian & Pacific Islander	888	2.4%
Other languages	275	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	33,704	87.2%
Born in same state	33,259	86.0%
Born in different state	30,948	80.1%
Foreign born	445	1.2%
Naturalized citizen	4,950	12.8%
Not a US citizen	3,487	70.4%

Ancestry

Ancestry	Count	%
Italian	7,516	19.4%
Arab	3,574	9.2%
French	1,390	3.6%
Irish	172	0.4%
Polish	121	0.3%

Ancestry	Count	%
Norwegian	98	0.3%
Dutch	94	0.2%
English	93	0.2%
German	71	0.2%

Technology access

Metric	% of households
Computer access	33.8%
Internet access	95.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Ronkonkoma, NY?

Ronkonkoma, NY has one ZIP code: 11779.

What is the main ZIP code for Ronkonkoma, NY?

The primary ZIP code for Ronkonkoma, NY is 11779. The city uses area code 631 or 516 for phone service.

What county is Ronkonkoma, NY in?

Ronkonkoma is located in Suffolk County, New York.

How many ZIP codes are in Ronkonkoma, NY?

Ronkonkoma, NY has 1 ZIP code.

What ZIP code covers the Ronkonkoma Lake area and the residential neighborhoods around it?

Ronkonkoma Lake and the surrounding residential communities are located in ZIP code 11779, which encompasses the central part of this Suffolk County hamlet.

What is the ZIP code for the commercial and business district along Portion Road in Ronkonkoma?

The commercial areas and business establishments along Portion Road in Ronkonkoma are served by ZIP code 11779, the primary postal code for the entire hamlet.