This is less than a one percent rise in Jefferson County’s population, from 116,134 in 2020 to 116,295 in 2021.
Jefferson County had the 25th largest population in New York in 2021.
The US Census Bureau found more than 73 percent of counties in the US saw a natural decrease in population in 2021. This is up from a 55.5 percent increase in 2020.
The Midwest suffered the most sustained population decreases, with many counties along the US East Coast and through the Rocky Mountains seeing increases.
The US population continues to grow, though at a slower rate than before.
New York Counties By Population Change from 2020 to 2021
| County | 2020 Estimated Population | 2021 Estimated Population | % Change in Population From Year to Year |
|---|---|---|---|
| Sullivan County | 78,643 | 79,806 | 1.5% |
| Greene County | 47,890 | 48,499 | 1.3% |
| Hamilton County | 5,078 | 5,119 | 0.8% |
| Orange County | 401,322 | 404,525 | 0.8% |
| Saratoga County | 235,689 | 237,359 | 0.7% |
| Ulster County | 181,687 | 182,951 | 0.7% |
| Schoharie County | 29,720 | 29,863 | 0.5% |
| Dutchess County | 295,742 | 297,112 | 0.5% |
| Delaware County | 44,186 | 44,378 | 0.4% |
| Columbia County | 61,550 | 61,778 | 0.4% |
| Rockland County | 338,121 | 339,227 | 0.3% |
| Putnam County | 97,660 | 97,936 | 0.3% |
| Montgomery County | 49,433 | 49,558 | 0.3% |
| Wyoming County | 40,401 | 40,491 | 0.2% |
| Suffolk County | 1,524,099 | 1,526,344 | 0.1% |
| Schenectady County | 157,861 | 158,089 | 0.1% |
| Jefferson County | 116,134 | 116,295 | 0.1% |
| Lewis County | 26,538 | 26,573 | 0.1% |
| Oswego County | 117,351 | 117,387 | 0% |
| Ontario County | 112,475 | 112,508 | 0% |
| Warren County | 65,638 | 65,618 | 0% |
| Seneca County | 33,715 | 33,688 | -0.1% |
| Fulton County | 53,160 | 53,116 | -0.1% |
| Orleans County | 40,236 | 40,191 | -0.1% |
| Herkimer County | 60,007 | 59,937 | -0.1% |
| Clinton County | 79,715 | 79,596 | -0.1% |
| Franklin County | 47,527 | 47,456 | -0.1% |
| Essex County | 37,336 | 37,268 | -0.2% |
| Livingston County | 61,699 | 61,578 | -0.2% |
| Wayne County | 91,103 | 90,923 | -0.2% |
| Albany County | 314,368 | 313,743 | -0.2% |
| Nassau County | 1,393,978 | 1,390,907 | -0.2% |
| Tompkins County | 105,404 | 105,162 | -0.2% |
| St. Lawrence County | 108,311 | 108,051 | -0.2% |
| Erie County | 953,254 | 950,683 | -0.3% |
| Niagara County | 212,252 | 211,653 | -0.3% |
| Cayuga County | 76,095 | 75,880 | -0.3% |
| Washington County | 61,143 | 60,956 | -0.3% |
| Madison County | 67,890 | 67,658 | -0.3% |
| Yates County | 24,709 | 24,613 | -0.4% |
| Otsego County | 58,351 | 58,123 | -0.4% |
| Richmond County | 495,522 | 493,494 | -0.4% |
| Rensselaer County | 160,923 | 160,232 | -0.4% |
| Steuben County | 93,363 | 92,948 | -0.4% |
| Monroe County | 758,554 | 755,160 | -0.4% |
| Broome County | 198,199 | 197,240 | -0.5% |
| Chautauqua County | 127,424 | 126,807 | -0.5% |
| Onondaga County | 475,653 | 473,236 | -0.5% |
| Westchester County | 1,003,245 | 997,895 | -0.5% |
| Allegany County | 46,373 | 46,106 | -0.6% |
| Schuyler County | 17,857 | 17,752 | -0.6% |
| Oneida County | 231,695 | 230,274 | -0.6% |
| Cattaraugus County | 76,907 | 76,426 | -0.6% |
| Genesee County | 58,258 | 57,853 | -0.7% |
| Tioga County | 48,355 | 47,980 | -0.8% |
| Cortland County | 46,723 | 46,311 | -0.9% |
| Chemung County | 83,882 | 83,045 | -1% |
| Chenango County | 47,073 | 46,537 | -1.1% |
| Queens County | 2,395,791 | 2,331,143 | -2.7% |
| Bronx County | 1,466,438 | 1,424,948 | -2.8% |
| Kings County | 2,727,393 | 2,641,052 | -3.2% |
| New York County | 1,687,834 | 1,576,876 | -6.6% |
ORGANIZATIONS IN THIS STORY
Oxbow• Fishers Landing• Calcium• Village of Theresa• Henderson Town• Antwerp Village• Adams Center• Rodman• Village of Clayton• Plessis• Pamelia Center• Village of Dexter• Worth• Village of Black River• Philadelphia Village• La Fargeville• Pierrepont Manor• Village of Deferiet• Felts Mills• Brownville Village• Rodman Town• Hounsfield• Village of Chaumont• Lyme• Depauville• Village of Alexandria Bay• Fort Drum• Great Bend• Village of Glen Park• Pamelia• Village of Herrings• Village of Sackets Harbor• Watertown• Village of Mannsville• Natural Bridge• Lorraine• Belleville• Henderson• Alexandria• Village Of Carthage• Rutland• Cape Vincent Village• Village Of West Carthage• Thousand Island Park• Village Of Evans Mills• Ellisburg Village• Champion• Adams Village• Three Mile Bay• Redwood
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