Introduction to Lake Ronkonkoma, New York

Lake Ronkonkoma, New York is 7 miles NE of Brentwood, New York and 44 miles E of New York, New York. It is in Suffolk county. The town is part of the Nassau - Suffolk metro area.

The land around Lake Ronkonkoma once belonged to Native Americans. They sold it to Europeans but made sure that it was never under the control of a single authority. Even today, the lake is under the jurisdiction of three different towns, including Brookhaven, Smithtown and Islip. Due to the presence of the lake, this area was popular as a resort town until it underwent a population explosion during the middle of the 20th century.

Lake Ronkonkoma and nearby Attractions

  • Lake Ronkonkoma
  • Hamlet Wind Watch Golf Club
  • Caleb Smith State Park
  • New Mill Pond
  • Long Island Museum
  • Spectacle Pond

Things To Do In Lake Ronkonkoma

Facilities for swimming, fishing, boating and other water sports are available at the lake. The Connecticut River State Park is nearby and is spread out over a huge expanse of land. It is a beautiful park with facilities for picnics, various sports, hiking and biking. Golf courses are also available around the region.

Lake Ronkonkoma Transportation

Air transportation facilities are available at La Guardia Airport.

Lake Ronkonkoma Higher Education

Facilities for higher education can be found at Suffolk County Community College, Dowling College and Saint Joseph's College.


Total Population 19,943
Male Share of the Population 50.3%
Female Share of the Population 49.7%
Senior Citizens 13.3%
Employed Population 16+ 10,038
Age of the Population 40


% of people married 52.5%
Average household size 3

Education and Earnings

Population % with Bachelor Degree or Higher 29%
Median Earnings25+ $51,219
Median Earnings Without High School Qualification $16,433
Median Earnings With High School Degree $42,376


Median Family Income $106,229
% Above Poverty Level 93.8%
% Below Poverty Level 6.2%

Commute & Sprawl

Average Commute Time 31 minutes
% Working from Home 2.1%
% Walking and Biking to Work 1.2%
% Using Public Transportation 4.6%


People Living Alone 23.6%
Median Gross Rent $1,370
Median House Value $336,800


Other(often includes Hispanic and African American) 21%
US/American 0.1%
English 4.4%
Irish 27.7%

Source: American Community Survey, U.S. Census Bureau, 2015, www.census.gov/programs-surveys/acs/.

Lake Ronkonkoma Almanac

Category Value
Nearest Medium City 7 miles NE of Brentwood, New York (center to center)
Nearest Large City 44 miles E of New York, New York
County Suffolk
Standard Zip Codes 11779
Phone Area Codes 631
Time Zone Eastern (-5 hours from GMT)
Daylight Savings The city observes Daylight Saving Time.
Latitude 40.835
Longitude -73.131

Lake Ronkonkoma Climate

Nearest Weather Stations


  • Temp ranges are avg daily min and max for the month
  • Precipitation is rainfall (and rainfall equiv of snowfall)

Distance 2.9 miles
Jan Temp 23 to 39 F
Apr Temp 40 to 58 F
Jul Temp 66 to 83 F
Oct Temp 45 to 64 F
Annual Precip 46.5 inches
Distance 7.3 miles
Jan Temp 22 to 39 F
Apr Temp 39 to 59 F
Jul Temp 64 to 83 F
Oct Temp 45 to 64 F
Annual Precip 50.2 inches
Distance 22.9 miles
Jan Temp 23 to 37 F
Apr Temp 41 to 57 F
Jul Temp 66 to 82 F
Oct Temp 46 to 63 F
Annual Precip 44.1 inches

Neighborhood and Nearby Area Names

According to the US Postal Service, Lake Ronkonkoma, its neighborhoods, and/or surrounding areas are also referred to as:

Lake Ronkonkoma Heights (11779)

Note that not all alternate names are acceptable for use in US Post Office addresses.

Nearby Cities and Towns

Location Population Median Family Income
Centereach 32,649 $101,910
Holbrook 27,533 $110,360
Islandia 3,370 $98,826
Lake Grove 11,262 $107,212

Source: American Community Survey, U.S. Census Bureau, 2015, www.census.gov/programs-surveys/acs/.

These schools offer particularly quick info upon request, and we have written detailed profiles for each (click school names to see the profiles). Request info from multiple schools, by clicking the Request Info links.
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Lake Ronkonkoma High Schools

Title I eligible, not participating.
Serves 4,718 students.

Study Online in Lake Ronkonkoma

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Info for Lake Ronkonkoma Government Officials

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