Lake Ronkonkoma, NY Demographics

A map of Lake Ronkonkoma's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	12,489	13,560	68.5%	72.8%
Hispanic	2,699	2,588	14.8%	13.9%
Asian	1,647	1,086	9.0%	5.8%
Multiracial	758	537	4.2%	2.9%
Black	611	687	3.4%	3.7%
Native American/Other	17	161	0.1%	0.9%

Lake Ronkonkoma, New York has an estimated population of 18,221, a slight decrease from the 18,619 recorded in the 2020 Census. The population is 68.5% White, 14.8% Hispanic, 9.0% Asian, 4.2% Multiracial, 3.4% Black, and 0.1% Native American/Other. This demographic dot map shows the population of Lake Ronkonkoma, with one dot drawn for each person counted by the Census, color-coded by race.

Lake Ronkonkoma has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than New York overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Lake Ronkonkoma, that probability was 44.5% in 2020 and 49.7% in the most recent ACS estimates.

Lake Ronkonkoma is ranked the 100th most populous place in New York, out of 1,291 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Lake Ronkonkoma was ranked the 100th most populous place in the 2020 Census.

Lake Ronkonkoma's White Population

12,489 residents of Lake Ronkonkoma, or 68.5% of the population, identify as White. The share of White residents in Lake Ronkonkoma is significantly higher than in New York overall, where 52.8% of the population is White. Lake Ronkonkoma ranks 974th statewide in terms of White residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Lake Ronkonkoma's White population has declined by an estimated 7.9%. White residents' share of Lake Ronkonkoma's population has decreased from 72.8% to 68.5%.

Lake Ronkonkoma is more White than neighboring Ronkonkoma (62.4% White), and Centereach (66.9% White). Lake Ronkonkoma is less White than neighboring Lake Grove (71.4% White), Nesconset (74% White), and Holbrook (74.8% White).

Lake Ronkonkoma's Black Population

611 residents of Lake Ronkonkoma, or 3.4% of the population, identify as Black. The share of Black residents in Lake Ronkonkoma is lower than in New York overall, where 13.4% of the population is Black. Lake Ronkonkoma ranks 320th statewide in terms of Black residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Lake Ronkonkoma's Black population has declined by an estimated 11.1%. Black residents' share of Lake Ronkonkoma's population has remained roughly unchanged at 3.4%.

Lake Ronkonkoma is more Black than neighboring Lake Grove (1.4% Black), and Holbrook (2.3% Black). Lake Ronkonkoma is less Black than neighboring Ronkonkoma (5.4% Black), Nesconset (3.6% Black), and Centereach (4.4% Black).

Lake Ronkonkoma's Asian Population

1,647 residents of Lake Ronkonkoma, or 9.0% of the population, identify as Asian. The share of Asian residents in Lake Ronkonkoma is comparable to the share in New York overall, where 9% of the population is Asian. Lake Ronkonkoma ranks 205th statewide in terms of Asian residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Lake Ronkonkoma's Asian population has grown by an estimated 51.7%. Asian residents' share of Lake Ronkonkoma's population has increased from 5.8% to 9.0%.

Lake Ronkonkoma is more Asian than neighboring Ronkonkoma (6.1% Asian), Nesconset (7.2% Asian), Centereach (8.4% Asian), and Holbrook (3.5% Asian). Lake Ronkonkoma is less Asian than neighboring Lake Grove (11% Asian).

Lake Ronkonkoma's Hispanic Population

2,699 residents of Lake Ronkonkoma, or 14.8% of the population, identify as Hispanic. The share of Hispanic residents in Lake Ronkonkoma is slightly lower than in New York overall, where 19.8% of the population is Hispanic. Lake Ronkonkoma ranks 248th statewide in terms of Hispanic residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Lake Ronkonkoma's Hispanic population has grown by an estimated 4.3%. Hispanic residents' share of Lake Ronkonkoma's population has increased from 13.9% to 14.8%.

Lake Ronkonkoma is more Hispanic than neighboring Lake Grove (11.7% Hispanic), and Nesconset (10.5% Hispanic). Lake Ronkonkoma is less Hispanic than neighboring Ronkonkoma (24.7% Hispanic), Centereach (17.3% Hispanic), and Holbrook (16.7% Hispanic).

Lake Ronkonkoma's Native American/Other Population

17 residents of Lake Ronkonkoma, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lake Ronkonkoma is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Lake Ronkonkoma ranks 372nd statewide in terms of Native American/Other residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Lake Ronkonkoma's Native American/Other population has declined by an estimated 89.4%. Native American/Other residents' share of Lake Ronkonkoma's population has decreased from 0.9% to 0.1%.

Lake Ronkonkoma is more Native American/Other than neighboring Nesconset (0% Native American/Other). Lake Ronkonkoma is less Native American/Other than neighboring Ronkonkoma (0.3% Native American/Other), Lake Grove (1% Native American/Other), Centereach (0.7% Native American/Other), and Holbrook (0.2% Native American/Other).

Lake Ronkonkoma's Multiracial Population

758 residents of Lake Ronkonkoma, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Lake Ronkonkoma is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Lake Ronkonkoma ranks 824th statewide in terms of Multiracial residents as a share of the population, out of 1,291 places.

Since the 2020 Census, Lake Ronkonkoma's Multiracial population has grown by an estimated 41.2%. Multiracial residents' share of Lake Ronkonkoma's population has increased from 2.9% to 4.2%.

Lake Ronkonkoma is more Multiracial than neighboring Ronkonkoma (1.2% Multiracial), Lake Grove (3.5% Multiracial), Centereach (2.3% Multiracial), and Holbrook (2.5% Multiracial). Lake Ronkonkoma is less Multiracial than neighboring Nesconset (4.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.