This is less than a one percent rise in Delaware County’s population, from 44,186 in 2020 to 44,378 in 2021.
Delaware County had the 53rd 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
Village of Margaretville• Harpersfield• Tompkins• Town of Hancock• Downsville• Village of Fleischmanns• Colchester• Village of Stamford• Village of Hobart• Davenport• Town of Delhi• Andes• Town of Walton• Village of Delhi• Hamden• Town of Andes• Bloomville• Village of Sidney• Town of Sidney• Masonville• Bovina• Meredith• Davenport Center• Village Of Hancock• Kortright• Village Of Walton• Roxbury
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