NYS COVID-19 Test Data for Nassau County

Nassau County, population 1,383,726, part of the Long Island region
NewCasesNew casesper 100KNew Cases Per Week, Nassau CountyMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDecJan016633350066683308300124504150  Line: NYS New Cases Per 100K, Weekly
Weekly COVID-19 Test Results.
The worst week was 1/2/2022 to 1/8/2022,
with 41859 cases, for 3025 cases per 100,000 people.
FromToNew Positives /
100K people /
week		Actual
New
Positives		% Tests
Positive
1/19/20251/25/202570971
1/12/20251/18/2025751038
1/5/20251/11/2025741024
12/29/20241/4/2025741036
12/22/202412/28/202459823
12/15/202412/21/202465902
12/8/202412/14/202442588
12/1/202412/7/202439543
11/24/202411/30/202424338
11/17/202411/23/202418254
11/10/202411/16/202416232
11/3/202411/9/202421293
10/27/202411/2/202424343
10/20/202410/26/202428392
10/13/202410/19/202429415
10/6/202410/12/202431433
9/29/202410/5/202434480
9/22/20249/28/202456779
9/15/20249/21/202463876
9/8/20249/14/202459830
9/1/20249/7/202460842
8/25/20248/31/2024761062
8/18/20248/24/2024801113
8/11/20248/17/2024861201
8/4/20248/10/2024951326
7/28/20248/3/20241101526
7/21/20247/27/20241391935
7/14/20247/20/20241291796
7/7/20247/13/20241111548
6/30/20247/6/2024961341
6/23/20246/29/2024771069
6/16/20246/22/202471985
6/9/20246/15/202460833
6/2/20246/8/202452730
5/26/20246/1/202447662
5/19/20245/25/202441576
5/12/20245/18/202435490
5/5/20245/11/202430422
4/28/20245/4/202429404
4/21/20244/27/202423323
4/14/20244/20/202420286
4/7/20244/13/202423329
3/31/20244/6/202427383
3/24/20243/30/202431431
3/17/20243/23/202433466
3/10/20243/16/202436505
3/3/20243/9/202443601
2/25/20243/2/202461849
2/18/20242/24/2024731014
2/11/20242/17/2024901252
2/4/20242/10/20241241724
1/28/20242/3/20241592213
1/21/20241/27/20241872592
1/14/20241/20/20242122943
1/7/20241/13/20242833929
12/31/20231/6/20243444769
12/24/202312/30/20233424736
12/17/202312/23/20232833918
12/10/202312/16/20232283158
12/3/202312/9/20231552151
11/26/202312/2/20231441994
11/19/202311/25/2023931291
11/12/202311/18/2023871208
11/5/202311/11/2023761055
10/29/202311/4/202371992
10/22/202310/28/2023781081
10/15/202310/21/202370977
10/8/202310/14/2023851187
10/1/202310/7/20231131575
9/24/20239/30/20231401947
9/17/20239/23/20231612228
9/10/20239/16/20231562163
9/3/20239/9/20231381911
8/27/20239/2/2023821138
8/20/20238/26/20235171414.23%
8/13/20238/19/20234563512.68%
8/6/20238/12/20234867314.4%
7/30/20238/5/20235171415.95%
7/23/20237/29/20233346412.32%
7/16/20237/22/20232636711.75%
7/9/20237/15/2023212928.73%
7/2/20237/8/2023192758.36%
6/25/20237/1/2023172416.42%
6/18/20236/24/2023182507.15%
6/11/20236/17/2023152185.52%
6/4/20236/10/2023172436.41%
5/28/20236/3/2023202865.94%
5/21/20235/27/2023192635.31%
5/14/20235/20/2023172403.45%
5/7/20235/13/2023223103.12%
4/30/20235/6/2023213022.9%
4/23/20234/29/2023182512.41%
4/16/20234/22/2023202842.49%
4/9/20234/15/2023243392.81%
4/2/20234/8/2023273812.8%
3/26/20234/1/2023354913.23%
3/19/20233/25/2023365022.96%
3/12/20233/18/2023314303.02%
3/5/20233/11/2023354892.83%
2/26/20233/4/2023466473.36%
2/19/20232/25/2023557704.14%
2/12/20232/18/20239012465.16%
2/5/20232/11/2023719904.63%
1/29/20232/4/20239713495.8%
1/22/20231/28/202311515996.58%
1/15/20231/21/202313518777.64%
1/8/20231/14/202315421387.83%
1/1/20231/7/2023236327710.88%
12/25/202212/31/2022242335911.23%
12/18/202212/24/2022307425611.23%
12/11/202212/17/2022300416210.39%
12/4/202212/10/202228639709.66%
11/27/202212/3/202229340669.91%
11/20/202211/26/202217824748.81%
11/13/202211/19/202217624487.72%
11/6/202211/12/202217424097.44%
10/30/202211/5/202217724597.65%
10/23/202210/29/202217624428.14%
10/16/202210/22/202215621627.63%
10/9/202210/15/202214219707.17%
10/2/202210/8/202215120978.02%
9/25/202210/1/202216522928.31%
9/18/20229/24/202220328199.25%
9/11/20229/17/202217724518.81%
9/4/20229/10/202215221138.84%
8/28/20229/3/202216723159.19%
8/21/20228/27/202217123788.8%
8/14/20228/20/202219226679.08%
8/7/20228/13/202224734319.66%
7/31/20228/6/2022238329410.18%
7/24/20227/30/2022291403711.46%
7/17/20227/23/2022321444511.82%
7/10/20227/16/2022333461112.03%
7/3/20227/9/2022310430112.72%
6/26/20227/2/2022261361410.58%
6/19/20226/25/202224934528.67%
6/12/20226/18/202223832948.71%
6/5/20226/11/202224934598.19%
5/29/20226/4/2022278385810.05%
5/22/20225/28/2022370512610.72%
5/15/20225/21/2022444615611.63%
5/8/20225/14/2022457632411.57%
5/1/20225/7/2022396549010.98%
4/24/20224/30/202229641068.8%
4/17/20224/23/202223432467.68%
4/10/20224/16/202224033306.12%
4/3/20224/9/202217223895%
3/27/20224/2/202211816333.55%
3/20/20223/26/20229312892.89%
3/13/20223/19/2022638832.11%
3/6/20223/12/2022517191.71%
2/27/20223/5/2022557631.73%
2/20/20222/26/2022608431.98%
2/13/20222/19/20229112662.32%
2/6/20222/12/202215020843.73%
1/30/20222/5/202222531275.15%
1/23/20221/29/202240856547.87%
1/16/20221/22/20227661061011.63%
1/9/20221/15/202217592435018.56%
1/2/20221/8/202230254185925.29%
12/26/20211/1/202228893998423.44%
12/19/202112/25/202116352263014.61%
12/12/202112/18/202172099689%
12/5/202112/11/202141157005.86%
11/28/202112/4/202135749425.57%
11/21/202111/27/202120928924.1%
11/14/202111/20/202119326773.78%
11/7/202111/13/202113618872.74%
10/31/202111/6/202110514602.17%
10/24/202110/30/20219613361.87%
10/17/202110/23/20219513271.73%
10/10/202110/16/202113018062.19%
10/3/202110/9/202113018102.25%
9/26/202110/2/202113719002.33%
9/19/20219/25/202116923392.88%
9/12/20219/18/202120027813.48%
9/5/20219/11/202117924863.77%
8/29/20219/4/202119426953.93%
8/22/20218/28/202119827473.93%
8/15/20218/21/202120127853.77%
8/8/20218/14/202118425543.61%
8/1/20218/7/202115721853.46%
7/25/20217/31/202110314292.85%
7/18/20217/24/20217510512.34%
7/11/20217/17/2021405631.64%
7/4/20217/10/2021253501.08%
6/27/20217/3/2021141960.53%
6/20/20216/26/2021111580.34%
6/13/20216/19/2021121670.39%
6/6/20216/12/2021152090.4%
5/30/20216/5/2021162230.45%
5/23/20215/29/2021223100.55%
5/16/20215/22/2021375160.76%
5/9/20215/15/2021507040.94%
5/2/20215/8/2021659091.24%
4/25/20215/1/20219913801.79%
4/18/20214/24/202114420062.32%
4/11/20214/17/202122130653.02%
4/4/20214/10/202129641003.81%
3/28/20214/3/202131743944.29%
3/21/20213/27/202131643774.32%
3/14/20213/20/202133145864.5%
3/7/20213/13/202130141764.5%
2/28/20213/6/202132745364.45%
2/21/20212/27/202132444954%
2/14/20212/20/202129640994.44%
2/7/20212/13/202138252894.8%
1/31/20212/6/202139654925.38%
1/24/20211/30/202155877336.01%
1/17/20211/23/202159983006.6%
1/10/20211/16/2021731101187.14%
1/3/20211/9/2021762105498.71%
12/27/20201/2/202164989908.1%
12/20/202012/26/202048567235.94%
12/13/202012/19/202042258475.58%
12/6/202012/12/202038853774.98%
11/29/202012/5/202035549174.81%
11/22/202011/28/202025134753.31%
11/15/202011/21/202019426923.19%
11/8/202011/14/202016823323%
11/1/202011/7/202010013882.05%
10/25/202010/31/2020709821.55%
10/18/202010/24/2020517161.3%
10/11/202010/17/2020476631.13%
10/4/202010/10/2020496871.17%
9/27/202010/3/2020436031.31%
9/20/20209/26/2020304251.06%
9/13/20209/19/2020365071.17%
9/6/20209/12/2020375181.39%
8/30/20209/5/2020425831.15%
8/23/20208/29/2020263650.81%
8/16/20208/22/2020223160.75%
8/9/20208/15/2020192740.71%
8/2/20208/8/2020243330.92%
7/26/20208/1/2020263621.01%
7/19/20207/25/2020243381.04%
7/12/20207/18/2020223150.99%
7/5/20207/11/2020192760.8%
6/28/20207/4/2020202770.86%
6/21/20206/27/2020192750.87%
6/14/20206/20/2020192750.83%
6/7/20206/13/2020213000.99%
5/31/20206/6/2020365081.58%
5/24/20205/30/2020405592.17%
5/17/20205/23/2020507013.54%
5/10/20205/16/2020669196.05%
5/3/20205/9/202010314379.79%
4/26/20205/2/2020163225815.06%
4/19/20204/25/2020325450925.61%
4/12/20204/18/2020466646037.25%
4/5/20204/11/2020661915545.57%
3/29/20204/4/2020574795351.66%
3/22/20203/28/2020328454544.16%
3/15/20203/21/2020131181631.41%
3/8/20203/14/202057820.86%
3/1/20203/7/20200637.5%

For more information specific to Nassau County, see their health department page. Data also available as weekly CSV file or daily CSV file.

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. Since 8/30/2023, data no longer reports total number of tests. Population estimates from 2022 census estimates.

Map created for articles on COVID-19 in the 'greater Ithaca region'.

Last updated 1/28/2025.