US Census Data

Lake Ronkonkoma

In Suffolk County, New York.

Population
18,289
-11.5%’19–’23
Median household income
$102,608
+7.9%’19–’23
Median home value
$484,700
+32.3%’19–’23

Located in Suffolk County, New York, Lake Ronkonkoma is a community with a population of 18,289. At $102,608, its median household income sits below Suffolk County's $128,329.

Between 2019 and 2023, Lake Ronkonkoma's population declined 11.5% from 20,667 to 18,289, while its median home value rose 32.3% from $366,400 to $484,700.

The largest age group is 55 to 64, 15.9% of residents. White (non-Hispanic) residents are the largest group, 69.9% of the population.

Demographics

ACS 2019–2023
Population
18,289
Median age
43.1 yrs
Median household income
$102,608
Median home value
$484,700
Median gross rent
$1,906
Housing units
7,062
Homeownership rate
70.3%
Bachelor's degree or higher
31.9%
Unemployment rate
6.7%

Trends

ACS 5-year · 2019–2023
Population
20,66718,289
Median household income
$95,080$102,608
Median home value
$366,400$484,700
Median gross rent
$1,693$1,906
YearPopulationMedian household incomeMedian home valueMedian gross rent
201920,667$95,080$366,400$1,693
202018,555$91,529$369,800$1,705
202118,214$92,147$389,100$1,776
202218,339$98,922$447,100$1,880
202318,289$102,608$484,700$1,906

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 51,0365.7%
5 to 172,68314.7%
18 to 241,1666.4%
25 to 342,58614.1%
35 to 442,07411.3%
45 to 542,53113.8%
55 to 642,90815.9%
65 to 742,24212.3%
75 and over1,0635.8%

Race & ethnicity

CountShare
White (non-Hispanic)12,78169.9%
Black or African American5553.0%
American Indian & Alaska Native00.0%
Asian1,4798.1%
Native Hawaiian & Pacific Islander00.0%
Some other race100.1%
Two or more races6583.6%
Hispanic or Latino (any race)2,80615.3%

Educational attainment (age 25+)

CountShare
No high school diploma9477.1%
High school graduate4,43133.1%
Some college or associate's3,75128.0%
Bachelor's degree2,56319.1%
Graduate or professional degree1,71212.8%

Commute to work

Mean travel time to work
29 min

How workers get to work

CountShare
Drove alone6,75877.4%
Carpooled5976.8%
Public transit3403.9%
Walked921.1%
Bicycle00.0%
Worked from home8449.7%
Other means1021.2%

Travel time

CountShare
Under 15 min2,36430.0%
15 to 29 min2,60933.1%
30 to 44 min1,25715.9%
45 to 59 min6508.2%
60+ min1,00912.8%

Households

Average household size
2.72
Poverty rate
8.5% (1,556 of 18,218)
CountShare
Family households4,18863.5%
Nonfamily households2,40736.5%

Housing

Median year structure built
1969

Occupancy

CountShare
Occupied6,59593.4%
Vacant4676.6%

Tenure (of occupied units)

CountShare
Owner-occupied4,63370.3%
Renter-occupied1,96229.7%

Units in structure

CountShare
1-unit, detached5,66180.2%
1-unit, attached1782.5%
2 to 4 units1442.0%
5 to 19 units4236.0%
20 or more units6339.0%
Mobile home & other230.3%

Geography

Place GEOID
3640838
Type (LSAD)
57
Land area
4.54 sq mi
Water area
0 sq mi
Center point
40.8303, -73.1133

Compare with nearby cities

5

New York rankings

21

Other places in Suffolk County

158