NYS Counties with the most COVID-19 positive test results per 100K residents
FromToCountyNew Positives per
100K people
Actual
New Positives
% Tests
Positive
3/1/20203/7/2020Westchester44225.77%
3/8/20203/14/2020Westchester1414010.56%
3/15/20203/21/2020Westchester174169118.46%
3/22/20203/28/2020Westchester686664630.39%
3/29/20204/4/2020Rockland957311750.45%
4/5/20204/11/2020Rockland735239544.06%
4/12/20204/18/2020Bronx520738243.35%
4/19/20204/25/2020Rockland580189229.92%
4/26/20205/2/2020Sullivan30022729.56%
5/3/20205/9/2020Sullivan18814217.44%
5/10/20205/16/2020Sullivan18213815.66%
5/17/20205/23/2020Sullivan104798.08%
5/24/20205/30/2020Sullivan101775.72%
5/31/20206/6/2020Orleans64263.12%
6/7/20206/13/2020Oneida561301.74%
6/14/20206/20/2020Oneida521202.14%
6/21/20206/27/2020Oneida841932.69%
6/28/20207/4/2020Oneida671562.75%
7/5/20207/11/2020Onondaga371751.8%
7/12/20207/18/2020Oneida501172.04%
7/19/20207/25/2020Broome49951.86%
7/26/20208/1/2020Ulster571032.18%
8/2/20208/8/2020Herkimer53331.59%
8/9/20208/15/2020Hamilton6733.61%
8/16/20208/22/2020Essex109414.78%
8/23/20208/29/2020Essex75282.62%
8/30/20209/5/2020Otsego2091255.03%
9/6/20209/12/2020Otsego76462.59%
9/13/20209/19/2020Chemung93792.32%
9/20/20209/26/2020Chemung1551313.53%
9/27/202010/3/2020Chemung3082606.47%
10/4/202010/10/2020Chemung2812375.03%
10/11/202010/17/2020Chemung3392865.83%
10/18/202010/24/2020Chemung4703966.36%
10/25/202010/31/2020Tioga2611274.92%
11/1/202011/7/2020Chemung3252745.3%
11/8/202011/14/2020Allegany3761756.64%
11/15/202011/21/2020Allegany4352023.49%
11/22/202011/28/2020Chemung4754015.99%
11/29/202012/5/2020Oneida61314097.65%
12/6/202012/12/2020Oneida68515749.14%
12/13/202012/19/2020Genesee76343910.51%
12/20/202012/26/2020Genesee71941411.87%
12/27/20201/2/2021Oneida930213610.73%
1/3/20211/9/2021Herkimer102063113.28%
1/10/20211/16/2021Lewis88823513.78%
1/17/20211/23/2021Lewis73319411.65%
1/24/20211/30/2021Hamilton10824813.15%
1/31/20212/6/2021Hamilton834379.3%
2/7/20212/13/2021Bronx46766316.36%
2/14/20212/20/2021Bronx36551805.8%
2/21/20212/27/2021Bronx37653455.2%
2/28/20213/6/2021Richmond41519784.48%
3/7/20213/13/2021Richmond39318754.77%
3/14/20213/20/2021Richmond43720844.57%
3/21/20213/27/2021Richmond43820864.83%
3/28/20214/3/2021Richmond46021955.2%
4/4/20214/10/2021Richmond45721774.64%
4/11/20214/17/2021Erie36633715.46%
4/18/20214/24/2021Richmond27413063.04%
4/25/20215/1/2021Lewis215574.77%
5/2/20215/8/2021Lewis276736.87%
5/9/20215/15/2021Lewis291776.72%
5/16/20215/22/2021Lewis185494.54%
5/23/20215/29/2021Cortland102492.05%
5/30/20216/5/2021Lewis64172%
6/6/20216/12/2021Schuyler4481.5%
6/13/20216/19/2021Schuyler4482.08%
6/20/20216/26/2021Hamilton4521.27%
6/27/20217/3/2021Richmond502421.36%
7/4/20217/10/2021Richmond492361.42%
7/11/20217/17/2021Richmond743551.88%
7/18/20217/24/2021Richmond1095202.42%
7/25/20217/31/2021Richmond1627753.25%
8/1/20218/7/2021Richmond22310643.57%
8/8/20218/14/2021Richmond26312533.71%
8/15/20218/21/2021Hamilton338156.2%
8/22/20218/28/2021Fulton3371818.28%
8/29/20219/4/2021St_Lawrence3653955.28%
9/5/20219/11/2021Hamilton5862611.21%
9/12/20219/18/2021St_Lawrence4414775.33%
9/19/20219/25/2021Chemung4723986.8%
9/26/202110/2/2021Fulton55229610.24%
10/3/202110/9/2021Chemung5634757.72%
10/10/202110/16/2021Chemung5664777.81%
10/17/202110/23/2021Fulton3802047.35%
10/24/202110/30/2021Allegany4972319.23%
10/31/202111/6/2021Allegany59627711.47%
11/7/202111/13/2021Washington72544411.02%
11/14/202111/20/2021Washington92456613.32%
11/21/202111/27/2021Washington63739012.33%
11/28/202112/4/2021Orleans80032513.4%
12/5/202112/11/2021Hamilton6763010.99%
12/12/202112/18/2021Tompkins189119446.62%
12/19/202112/25/2021New_York24984070010.5%
12/26/20211/1/2022Richmond35261679122.84%
1/2/20221/8/2022Richmond37691794622.93%
1/9/20221/15/2022Queens26786036917.63%
Week with most COVID-19 positive test results, by county
CountyFromToNew Positives per
100K people
Actual
New Positives
% Tests
Positive
Albany1/2/20221/8/20221531470419.76%
Allegany1/9/20221/15/202276635613.84%
Bronx1/2/20221/8/202237495317224.77%
Broome1/2/20221/8/20221528292918.64%
Cattaraugus1/2/20221/8/202295573417.82%
Cayuga1/2/20221/8/20221532118217.19%
Chautauqua1/2/20221/8/20221015129920.04%
Chemung1/9/20221/15/20222039171818.07%
Chenango1/2/20221/8/2022120157115.22%
Clinton1/9/20221/15/20221836148221.49%
Columbia1/9/20221/15/2022130578220.47%
Cortland1/2/20221/8/2022149771616.33%
Delaware1/2/20221/8/2022130057921.64%
Dutchess1/2/20221/8/20222039599122.88%
Erie1/2/20221/8/202219831824123.27%
Essex1/2/20221/8/2022108540512.46%
Franklin1/2/20221/8/2022108954814.57%
Fulton1/9/20221/15/2022138074020.33%
Genesee1/9/20221/15/2022166795922.08%
Greene1/9/20221/15/2022132262818.66%
Hamilton1/2/20221/8/202216467313.59%
Herkimer1/2/20221/8/2022134783317.58%
Jefferson1/9/20221/15/20221361152120.75%
Kings1/2/20221/8/202231227993319.76%
Lewis1/9/20221/15/2022130034418.74%
Livingston1/9/20221/15/2022124378619.82%
Madison1/2/20221/8/2022113780515.83%
Monroe1/2/20221/8/202215351140420.61%
Montgomery1/2/20221/8/2022176787421.85%
Nassau1/2/20221/8/202230814185925.29%
New_York1/2/20221/8/202229494803216.58%
Niagara1/2/20221/8/20221877395122.01%
Oneida1/2/20221/8/20221509346516.92%
Onondaga1/2/20221/8/202223701094524.09%
Ontario1/2/20221/8/20221202132119.03%
Orange1/2/20221/8/202227321043727.2%
Orleans1/9/20221/15/2022148460322.45%
Oswego1/2/20221/8/20221483174923.6%
Otsego1/2/20221/8/2022130077715.33%
Putnam12/26/20211/1/20222503247618.86%
Queens1/2/20221/8/202237438436223.89%
Rensselaer1/2/20221/8/20221643262118.93%
Richmond1/2/20221/8/202237691794622.93%
Rockland1/2/20221/8/20222883939120.16%
Saratoga1/2/20221/8/20221806415921.15%
Schenectady1/2/20221/8/20221790278118.93%
Schoharie1/9/20221/15/2022113835418.38%
Schuyler1/9/20221/15/2022144025815.31%
Seneca1/9/20221/15/2022131745219.66%
St_Lawrence1/9/20221/15/20221001108213.45%
Steuben1/9/20221/15/20221209115912.99%
Suffolk1/2/20221/8/202227344050326.67%
Sullivan1/2/20221/8/20222660200924.97%
Tioga1/9/20221/15/2022140068017.99%
Tompkins12/12/202112/18/2021189119446.62%
Ulster1/2/20221/8/20221326237019.2%
Warren1/2/20221/8/20221847118718.2%
Washington1/9/20221/15/2022146089416.34%
Wayne1/9/20221/15/20221229110717.92%
Westchester1/2/20221/8/202226222537922.78%
Wyoming1/2/20221/8/2022134754023.19%
Yates1/9/20221/15/202294123415.31%

Data based on New York State Department of Health data. Note that early in the pandemic (and often later), large numbers of cases happened but were not detected. Population estimates from 2019 census estimates. More and more information is coming from the US Centers for Disease Control.

Last updated 1/17/2022.