Total Population in Suffolk County, NY
ACS 2024 5-Year Estimates
1,530,146
Rank #26/3,222 · #4 in NY
99th
Suffolk 1,530,146
NY 20M -92.3%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Suffolk County's total population of 1,530,146 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Suffolk County for total population.
Nearby Rankings
Full ranking →| #23 | Sacramento County, CA | 1,594,006 |
| #24 | Philadelphia County, PA | 1,579,706 |
| #25 | Palm Beach County, FL | 1,533,806 |
| #26 | Suffolk County, NY | 1,530,146 |
| #27 | Hillsborough County, FL | 1,522,748 |
| #28 | Orange County, FL | 1,471,937 |
| #29 | Bronx County, NY | 1,404,779 |
About Total Population
Suffolk County, New York has a total population of 1,530,146, ranking #26 of 3,222 counties nationwide — 99.5% below the national value of 330M. Within New York, it ranks #4 of 62. This places it in the 99th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.