2025

Cities in Suffolk County, NY ranked by White Population

This list ranks the 41 cities in Suffolk County based on their White population, as estimated by the United States Census Bureau. It also highlights population changes in these cities over the past five years.
Updated Jan 24, 2025

Top 5 cities with the largest White population in Suffolk County

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  • 1
    Brookhaven town
    White population in Brookhaven town is 398,791
    74.44% of Brookhaven town population is White
  • 2
    Islip town
    White population in Islip town is 233,637
    60.53% of Islip town population is White
  • 3
    Huntington town
    White population in Huntington town is 172,746
    77.97% of Huntington town population is White
  • 4
    Babylon town
    White population in Babylon town is 143,049
    58.84% of Babylon town population is White
  • 5
    Smithtown town
    White population in Smithtown town is 105,727
    84.67% of Smithtown town population is White

List of 41 cities in Suffolk County, NY by White Population

View Methodology
Rank by White Population
City
White Population
% of Total City Population
% of Total Suffolk County White Population
5 Year Rank Trend
1 Brookhaven town 398,791 74.44% 30.73%
2 Islip town 233,637 60.53% 18.00%
3 Huntington town 172,746 77.97% 13.31%
4 Babylon town 143,049 58.84% 11.02%
5 Smithtown town 105,727 84.67% 8.15%
6 Southampton town 57,896 74.80% 4.46%
7 Riverhead town 28,606 74.11% 2.20%
8 25,552 74.92% 1.97%
9 22,937 78.12% 1.77%
10 21,335 85.56% 1.64%
11 11,336 87.37% 0.87%
12 9,814 72.40% 0.76%
13 8,967 74.24% 0.69%
14 7,529 74.49% 0.58%
15 7,206 91.75% 0.56%
16 7,103 83.03% 0.55%
17 3,994 82.61% 0.31%
18 3,293 87.46% 0.25%
19 3,039 89.78% 0.23%
20 2,406 68.90% 0.19%
21 2,307 88.90% 0.18%
22 2,278 86.95% 0.18%
23 1,887 45.62% 0.15%
24 1,806 94.01% 0.14%
25 1,777 64.74% 0.14%
26 1,719 85.91% 0.13%
27 1,696 91.43% 0.13%
28 1,388 76.69% 0.11%
29 1,254 81.17% 0.10%
30 1,167 82.53% 0.09%
31 935 91.31% 0.07%
32 910 84.65% 0.07%
33 868 77.78% 0.07%
34 698 85.85% 0.05%
35 694 92.66% 0.05%
36 586 79.62% 0.05%
37 494 85.76% 0.04%
38 233 82.62% 0.02%
39 101 100.00% 0.01%
40 36 100.00% -
41 26 100.00% -

Methodology

This ranking list is based on data from the American Community Survey (ACS) 5-Year Estimates, conducted by the U.S. Census Bureau. The ACS is one of the most reliable sources for understanding population trends across different locations, and it provides estimates for various racial and ethnic groups at city, county, state and all geography levels down to the Census block group.
This list ranks cities in Suffolk County, NY by their White population, using the most recent ACS data available.

How the Census Defines White Population

The U.S. Census Bureau allows people to self-identify their race, meaning individuals can choose one or more racial categories when responding to the survey. In this ranking, we include everyone who identifies as White, whether alone or in combination with another race.
Here are a few important things to know about how race is reported:
  • Some people identify as White alone, while others identify as White along with another race (such as White and White).
  • Hispanic / Latino origin is reported separately from race, so someone can be both Hispanic and White .
  • We’ve used the “White alone or in combination” category unless noted otherwise, which gives a broader picture of the White population in each area.

How We Ranked the Data

This ranking is based on the total number of people who identified as White alone or in combination in cities. To provide additional context, we’ve also included two key percentages:
  1. % of Total City Population – This shows what percentage of the total state population identifies as White .
  2. % of Total Suffolk County White Population – This tells us how much of the entire U.S. White population lives in that state.
To keep things simple, all population numbers have been rounded to the nearest whole number, and percentages are rounded to one decimal place. Because of rounding, some percentages may not add up to exactly 100%.

Things to Keep in Mind

Like all survey-based data, ACS estimates come with some limitations. Here are a few things to be aware of:
  • In places with very small White populations, the numbers may not be reported at all due to privacy protections or sampling variability in the survey.
  • Since the ACS is based on a sample, the numbers are estimates, not exact counts. That means they may slightly differ from other sources like the decennial U.S. Census.
  • Cities that don’t have any reported White population are not included in the ranking but are listed separately below for reference.
This ranking is meant to provide a clear, data-driven look at where White populations are most concentrated while keeping the numbers easy to understand.

Sources

U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.