Ranking of New York Counties By Population in 2021
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2021, the Population for New York was 19.85M. Among all New York counties, Kings County had the highest population (2.63M), followed by Queens County (2.33M), and New York County (1.58M).
The chart below shows the top 10 counties, and the table below shows the ranking of all New York counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: New York Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of New York Counties By Population in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Kings County | 2634268 |
| 2 | Queens County | 2328286 |
| 3 | New York County | 1576787 |
| 4 | Suffolk County | 1534053 |
| 5 | Bronx County | 1420392 |
| 6 | Nassau County | 1392058 |
| 7 | Westchester County | 1000036 |
| 8 | Erie County | 953023 |
| 9 | Monroe County | 756089 |
| 10 | Richmond County | 494039 |
| 11 | Onondaga County | 471959 |
| 12 | Orange County | 405214 |
| 13 | Rockland County | 339828 |
| 14 | Albany County | 316817 |
| 15 | Dutchess County | 298816 |
| 16 | Saratoga County | 237885 |
| 17 | Oneida County | 229660 |
| 18 | Niagara County | 211754 |
| 19 | Broome County | 198596 |
| 20 | Ulster County | 183487 |
| 21 | Rensselaer County | 160645 |
| 22 | Schenectady County | 160066 |
| 23 | Chautauqua County | 126192 |
| 24 | Oswego County | 118010 |
| 25 | Jefferson County | 116925 |
| 26 | Ontario County | 112648 |
| 27 | St. Lawrence County | 107835 |
| 28 | Tompkins County | 105974 |
| 29 | Putnam County | 98235 |
| 30 | Steuben County | 93099 |
| 31 | Wayne County | 91173 |
| 32 | Chemung County | 83064 |
| 33 | Sullivan County | 79731 |
| 34 | Clinton County | 79018 |
| 35 | Cattaraugus County | 76551 |
| 36 | Cayuga County | 75457 |
| 37 | Madison County | 67402 |
| 38 | Warren County | 65734 |
| 39 | Columbia County | 61977 |
| 40 | Livingston County | 61698 |
| 41 | Washington County | 60871 |
| 42 | Otsego County | 60722 |
| 43 | Herkimer County | 60020 |
| 44 | Genesee County | 57902 |
| 45 | Fulton County | 52751 |
| 46 | Montgomery County | 49490 |
| 47 | Tioga County | 48090 |
| 48 | Greene County | 47898 |
| 49 | Allegany County | 46962 |
| 50 | Franklin County | 46797 |
| 51 | Chenango County | 46572 |
| 52 | Cortland County | 46443 |
| 53 | Delaware County | 44730 |
| 54 | Wyoming County | 39916 |
| 55 | Orleans County | 39566 |
| 56 | Essex County | 37246 |
| 57 | Seneca County | 33411 |
| 58 | Schoharie County | 30144 |
| 59 | Lewis County | 26721 |
| 60 | Yates County | 24640 |
| 61 | Schuyler County | 17789 |
| 62 | Hamilton County | 5114 |