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The COVID Tracking Project
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At The Atlantic
The DataMassachusetts

Massachusetts: Cases

As of March 7, 2021 we are no longer collecting new data. Learn about available federal data.

Definitions

Case History

DateCases (confirmed plus probable)New casesConfirmed casesProbable Cases
March 7, 2021591,3561,425559,08332,273
March 6, 2021589,9311,722557,80232,129
March 5, 2021588,2091,899556,30731,902
March 4, 2021586,3101,567554,63031,680
March 3, 2021584,7431,899553,22031,523
March 2, 2021582,844301551,66731,177
March 1, 2021582,5431,395551,55030,993
February 28, 2021581,1481,468550,30230,846
February 27, 2021579,6801,700548,87430,806
February 26, 2021577,9801,987547,35830,622
February 25, 2021575,9932,108545,62430,369
February 24, 2021573,8852,102543,69630,189
February 23, 2021571,7831,237541,90829,875
February 22, 2021570,5461,262540,79429,752
February 21, 2021569,2841,520539,64429,640
February 20, 2021567,7641,970538,32829,436
February 19, 2021565,7941,818536,50629,288
February 18, 2021563,9762,040534,82729,149
February 17, 2021561,9361,360533,02428,912
February 16, 2021560,5761,226531,70228,874
February 15, 2021559,3501,573530,73528,615
February 14, 2021557,7771,882529,25528,522
February 13, 2021555,8952,083527,43528,460
February 12, 2021553,8122,416525,48628,326
February 11, 2021551,3962,450523,25828,138
February 10, 2021548,9462,050521,04527,901
February 9, 2021546,8961,593519,12527,771
February 8, 2021545,3031,369517,80627,497
February 7, 2021543,9343,107516,53027,404
February 6, 2021540,8273,619513,52627,301
February 5, 2021537,2083,287510,14827,060
February 4, 2021533,9212,804507,16626,755
February 3, 2021531,1172,455504,56426,553
February 2, 2021528,6622,239502,37826,284
February 1, 2021526,4232,398500,41526,008
January 31, 2021524,0252,665498,14525,880
January 30, 2021521,3604,108495,59925,761
January 29, 2021517,2523,118491,64225,610
January 28, 2021514,1344,631488,86125,273
January 27, 2021509,5033,320484,63924,864
January 26, 2021506,1832,495481,61724,566
January 25, 2021503,6883,651479,40224,286
January 24, 2021500,0373,944475,92524,112
January 23, 2021496,0934,641472,17523,918
January 22, 2021491,4525,272467,84523,607
January 21, 2021486,1805,140462,91023,270
January 20, 2021481,0404,514458,08922,951
January 19, 2021476,5263,085454,10222,424
January 18, 2021473,4413,301451,53521,906
January 17, 2021470,1404,414448,31121,829
January 16, 2021465,7265,799444,02821,698
January 15, 2021459,9275,525438,37121,556
January 14, 2021454,4025,955433,29721,105
January 13, 2021448,4475,918427,75220,695
January 12, 2021442,5295,487422,47420,055
January 11, 2021437,0424,251417,56819,474
January 10, 2021432,7915,656413,32919,462
January 9, 2021427,1357,414407,93319,202
January 8, 2021419,7218,120400,82318,898
January 7, 2021411,6017,548393,18818,413
January 6, 2021404,0536,851386,05218,001
January 5, 2021397,2024,634379,63317,569
January 4, 2021392,5684,906375,45517,113
January 3, 2021387,6623,481371,09716,565
January 2, 2021384,1819,003367,98716,194
January 1, 2021375,1780359,44515,733
December 31, 2020375,1787,260359,44515,733
December 30, 2020367,9186,839352,55815,360
December 29, 2020361,0794,145346,42314,656
December 28, 2020356,9344,198342,76414,170
December 27, 2020352,7363,134338,70414,032
December 26, 2020349,6027,677335,73113,871
December 25, 2020341,9250328,30713,618
December 24, 2020341,9255,937328,30713,618
December 23, 2020335,9884,814322,65213,336
December 22, 2020331,1743,800318,14313,031
December 21, 2020327,3743,843314,85012,524
December 20, 2020323,5314,261311,09012,441
December 19, 2020319,2704,344306,92812,342
December 18, 2020314,9265,679302,93311,993
December 17, 2020309,2475,135297,30111,946
December 16, 2020304,1125,952292,31611,796
December 15, 2020298,1603,929286,86611,294
December 14, 2020294,2313,653283,14611,085
December 13, 2020290,5784,853279,57411,004
December 12, 2020285,7255,289274,89710,828
December 11, 2020280,4365,655269,92910,507
December 10, 2020274,7815,369264,45410,327
December 9, 2020269,4125,965259,32410,088
December 8, 2020263,4474,122253,6499,798
December 7, 2020259,3252,481250,0229,303
December 6, 2020256,8444,827247,5599,285
December 5, 2020252,0175,619242,8129,205
December 4, 2020246,3985,491237,4568,942
December 3, 2020240,9076,675232,2648,643
December 2, 2020234,2325,027225,7878,445
December 1, 2020229,2053,073221,1748,031
November 30, 2020226,1321,168218,3297,803
November 29, 2020224,9642,495217,1637,801
November 28, 2020222,4693,217214,6627,807
November 27, 2020219,2524,658211,7487,504
November 26, 2020214,5940207,2847,310
November 25, 2020214,5943,395207,2847,310
November 24, 2020211,1992,576204,0607,139
November 23, 2020208,6231,773201,8356,788
November 22, 2020206,8502,695200,0506,800
November 21, 2020204,1553,206197,3296,826
November 20, 2020200,9492,399194,3386,611
November 19, 2020198,5502,682192,0506,500
November 18, 2020195,8682,904189,5186,350
November 17, 2020192,9642,525186,7746,190
November 16, 2020190,4392,164184,5115,928
November 15, 2020188,2752,133182,5445,731
November 14, 2020186,1423,047180,4685,674
November 13, 2020183,0952,906177,6275,468
November 12, 2020180,1892,648174,9535,236
November 11, 2020177,5412,660172,4715,070
November 10, 2020174,8812,154169,9764,905
November 9, 2020172,7271,328167,9294,798
November 8, 2020171,3991,823166,7454,654
November 7, 2020169,5762,302164,9364,640
November 6, 2020167,2742,113162,7364,538
November 5, 2020165,1611,862160,6984,463
November 4, 2020163,2991,714158,9374,362
November 3, 2020161,5851,036157,3084,277
November 2, 2020160,549842156,3854,164
November 1, 2020159,7071,131155,6604,047
October 31, 2020158,5761,430154,5214,055
October 30, 2020157,1461,582153,2293,917
October 29, 2020155,5641,346151,7413,823
October 28, 2020154,2181,181150,4983,720
October 27, 2020153,0371,260149,3613,676
October 26, 2020151,7771,212148,3363,441
October 25, 2020150,5651,077147,1203,445
October 24, 2020149,4881,203146,0233,465
October 23, 2020148,2851,070144,8953,390
October 22, 2020147,2151,049143,9273,288
October 21, 2020146,166702142,9413,225
October 20, 2020145,464976142,2953,169
October 19, 2020144,488828141,4743,014
October 18, 2020143,660730140,6473,013
October 17, 2020142,930584139,9033,027
October 16, 2020142,346767139,3532,993
October 15, 2020141,579587138,6512,928
October 14, 2020140,992580138,0832,909
October 13, 2020140,412749137,5652,847
October 12, 2020139,663760136,9332,730
October 11, 2020138,903563136,1682,735
October 10, 2020138,340639135,5982,742
October 9, 2020137,701765135,0112,690
October 8, 2020136,936444134,2772,659
October 7, 2020136,492535133,8682,624
October 6, 2020135,957495133,3592,598
October 5, 2020135,462515132,9052,557
October 4, 2020134,947644132,4402,507
October 3, 2020134,303672131,8142,489
October 2, 2020133,631761131,2142,417
October 1, 2020132,870754130,4612,409
September 30, 2020132,116532129,7532,363
September 29, 2020131,584512129,2432,341
September 28, 2020131,072430128,7932,279
September 27, 2020130,642592128,4262,216
September 26, 2020130,050569127,8322,218
September 25, 2020129,481488127,3172,164
September 24, 2020128,993481126,8632,130
September 23, 2020128,512543126,4082,104
September 22, 2020127,969173125,8662,103
September 21, 2020127,796256125,7232,073
September 20, 2020127,540359125,4792,061
September 19, 2020127,181599125,1392,042
September 18, 2020126,582454124,5702,012
September 17, 2020126,128429124,1391,989
September 16, 2020125,699306123,7201,979
September 15, 2020125,393313123,4251,968
September 14, 2020125,080254123,1391,941
September 13, 2020124,826286122,9041,922
September 12, 2020124,540554122,6371,903
September 11, 2020123,986440122,2021,784
September 10, 2020123,546403121,7591,787
September 9, 2020123,143181121,3961,747
September 8, 2020122,962171121,2141,748
September 7, 2020122,791229121,0461,745
September 6, 2020122,562366120,8241,738
September 5, 2020122,196438120,4541,742
September 4, 2020121,758212120,0381,720
September 3, 2020121,546415119,8191,727
A
September 2, 2020		121,131-7,757119,4261,705
September 1, 2020128,888355119,1389,671
August 31, 2020128,533304118,7849,671
August 30, 2020128,229199118,4839,671
August 29, 2020128,030446118,3099,671
August 28, 2020127,584460117,8889,671
August 27, 2020127,124368117,4509,671
August 26, 2020126,756336117,0859,671
August 25, 2020126,420398116,7709,367
August 24, 2020126,022662116,4219,367
August 23, 2020125,3600115,8509,367
August 22, 2020125,360144115,8509,367
August 21, 2020125,216488115,7419,367
August 20, 2020124,728313115,3109,367
August 19, 2020124,415827115,0489,367
August 18, 2020123,588175114,7868,802
August 17, 2020123,413213114,6118,802
August 16, 2020123,200303114,3988,802
August 15, 2020122,897366114,0958,802
August 14, 2020122,531212113,7298,802
August 13, 2020122,319319113,5178,802
August 12, 2020122,000293113,1988,802
August 11, 2020121,707392112,9698,738
August 10, 2020121,315275112,6738,642
August 9, 2020121,040329112,4598,581
August 8, 2020120,711420112,1738,538
August 7, 2020120,291417111,8538,438
August 6, 2020119,874231111,5338,341
August 5, 2020119,643440111,3718,272
August 4, 2020119,203546111,0338,170
August 3, 2020118,657199110,5958,062
August 2, 2020118,458418110,4308,028
August 1, 2020118,040428110,0777,963
July 31, 2020117,612514109,7877,825
July 30, 2020117,098414109,4007,698
July 29, 2020116,684502109,0967,588
July 28, 2020116,182256108,7407,442
July 27, 2020115,926289108,562N/A
July 26, 2020115,637369108,380N/A
July 25, 2020115,268283108,107N/A
July 24, 2020114,985338107,897N/A
July 23, 2020114,647327107,683N/A
July 22, 2020114,320287107,413N/A
July 21, 2020114,033244107,221N/A
July 20, 2020113,789255107,056N/A
July 19, 2020113,534296106,882N/A
July 18, 2020113,238359106,664N/A
July 17, 2020112,879298106,487N/A
July 16, 2020112,581234106,271N/A
July 15, 2020112,347217106,128N/A
July 14, 2020112,130303105,986N/A
July 13, 2020111,827230105,783N/A
July 12, 2020111,597199105,629N/A
July 11, 2020111,398288105,457N/A
July 10, 2020111,110213105,290N/A
July 9, 2020110,897295105,138N/A
July 8, 2020110,602264104,961N/A
July 7, 2020110,338201104,799N/A
July 6, 2020110,137163104,659N/A
July 5, 2020109,974136104,502N/A
July 4, 2020109,838210104,391N/A
July 3, 2020109,628290104,228N/A
July 2, 2020109,338195104,016N/A
July 1, 2020109,143261103,858N/A
June 30, 2020108,882114103,701N/A
June 29, 2020108,768101103,628N/A
June 28, 2020108,667224103,539N/A
June 27, 2020108,443373103,376N/A
June 26, 2020108,070233103,071N/A
June 25, 2020107,837226102,922N/A
June 24, 2020107,611172102,762N/A
June 23, 2020107,439229102,651N/A
June 22, 2020107,210149102,469N/A
June 21, 2020107,061125102,333N/A
June 20, 2020106,936286102,228N/A
June 19, 2020106,650228102,005N/A
June 18, 2020106,422271101,853N/A
June 17, 2020106,151266101,654N/A
June 16, 2020105,885195101,474N/A
June 15, 2020105,69087101,334N/A
June 14, 2020105,603208101,276N/A
June 13, 2020105,395336101,070N/A
June 12, 2020105,059392100,811N/A
June 11, 2020104,667511100,504N/A
June 10, 2020104,156267100,158N/A
June 9, 2020103,88926399,955N/A
June 8, 2020103,62619099,755N/A
June 7, 2020103,43630499,562N/A
June 6, 2020103,13257599,301N/A
June 5, 2020102,55749498,796N/A
June 4, 2020102,06347198,376N/A
June 3, 2020101,59242997,964N/A
June 2, 2020101,16335897,539N/A
June 1, 2020100,8053,84097,291N/A
May 31, 202096,96566496,965N/A
May 30, 202096,30178996,301N/A
May 29, 202095,51261795,512N/A
May 28, 202094,89567594,895N/A
May 27, 202094,22052793,693N/A
May 26, 202093,69342293,693N/A
May 25, 202093,27159693,271N/A
May 24, 202092,6751,01392,675N/A
May 23, 202091,66277391,662N/A
May 22, 202090,88980590,889N/A
May 21, 202090,0841,11490,084N/A
May 20, 202088,9701,04588,970N/A
May 19, 202087,92587387,925N/A
May 18, 202087,0521,04287,052N/A
May 17, 202086,0101,07786,010N/A
May 16, 202084,9331,51284,933N/A
May 15, 202083,4211,23983,421N/A
May 14, 202082,1821,68582,182N/A
May 13, 202080,4971,16580,497N/A
May 12, 202079,33287079,332N/A
May 11, 202078,46266978,462N/A
May 10, 202077,7931,05077,793N/A
May 9, 202076,7431,41076,743N/A
May 8, 202075,3331,61275,333N/A
May 7, 202073,7211,69673,721N/A
May 6, 202072,0251,75472,025N/A
May 5, 202070,2711,18470,271N/A
May 4, 202069,0871,00069,087N/A
May 3, 202068,0871,82468,087N/A
May 2, 202066,2631,95266,263N/A
May 1, 202064,3112,10664,311N/A
April 30, 202062,2051,94062,205N/A
April 29, 202060,2651,96360,265N/A
April 28, 202058,3021,84058,302N/A
April 27, 202056,4621,52456,462N/A
April 26, 202054,9381,59054,938N/A
April 25, 202053,3487,32553,348N/A
April 24, 202046,023046,023N/A
April 23, 202046,0233,07946,023N/A
April 22, 202042,9441,74542,944N/A
April 21, 202041,1993,12241,199N/A
April 20, 202038,077038,077N/A
April 19, 202038,0771,70538,077N/A
April 18, 202036,3721,97036,372N/A
April 17, 202034,4022,22134,402N/A
April 16, 202032,1812,26332,181N/A
April 15, 202029,9181,75529,918N/A
April 14, 202028,1631,29628,163N/A
April 13, 202026,8671,39226,867N/A
April 12, 202025,4752,61525,475N/A
April 11, 202022,8601,88622,860N/A
April 10, 202020,9742,03320,974N/A
April 9, 202018,9412,15118,941N/A
April 8, 202016,7901,58816,790N/A
April 7, 202015,2021,36515,202N/A
April 6, 202013,8371,33713,837N/A
April 5, 202012,50076412,500N/A
April 4, 202011,7361,33411,736N/A
April 3, 202010,4021,43610,402N/A
April 2, 20208,9661,2288,966N/A
April 1, 20207,7381,1187,738N/A
March 31, 20206,6208686,620N/A
March 30, 20205,7527975,752N/A
March 29, 20204,9556984,955N/A
March 28, 20204,2571,0174,257N/A
March 27, 20203,2408233,240N/A
March 26, 20202,4175792,417N/A
March 25, 20201,8386791,838N/A
March 24, 20201,1593821,159N/A
March 23, 2020777131777N/A
March 22, 2020646121646N/A
March 21, 2020525112525N/A
March 20, 202041385413N/A
March 19, 202032872328N/A
March 18, 202025638256N/A
March 17, 202021854218N/A
March 16, 202016426164N/A
March 15, 20201380138N/A
March 14, 202013815138N/A
March 13, 202012328123N/A
March 12, 202095395N/A
March 11, 202092092N/A
March 10, 2020925192N/A
March 9, 2020412841N/A
March 8, 202013013N/A
March 7, 202013513N/A
March 6, 2020868N/A
March 5, 2020202N/A
March 4, 2020222N/A
March 3, 2020N/A0N/AN/A
March 2, 2020N/A0N/AN/A
March 1, 2020N/A0N/AN/A
February 29, 2020N/A0N/AN/A
February 28, 2020N/A0N/AN/A
February 27, 2020N/A0N/AN/A
February 26, 2020N/A0N/AN/A
February 25, 2020N/A0N/AN/A
February 24, 2020N/A0N/AN/A
February 23, 2020N/A0N/AN/A
February 22, 2020N/A0N/AN/A
February 21, 2020N/A0N/AN/A
February 20, 2020N/A0N/AN/A
February 19, 2020N/A0N/AN/A
February 18, 2020N/A0N/AN/A
February 17, 2020N/A0N/AN/A
February 16, 2020N/A0N/AN/A
February 15, 2020N/A0N/AN/A
February 14, 2020N/A0N/AN/A
February 13, 2020N/A0N/AN/A
February 12, 2020N/A0N/AN/A
February 11, 2020N/A0N/AN/A
February 10, 2020N/A0N/AN/A
February 9, 2020N/A0N/AN/A
February 8, 2020N/A0N/AN/A
February 7, 2020N/A0N/AN/A
February 6, 2020N/A0N/AN/A
February 5, 2020N/A0N/AN/A
February 4, 2020N/A0N/AN/A
February 3, 2020N/A0N/AN/A
February 2, 2020N/A0N/AN/A
February 1, 2020N/A0N/AN/A
January 31, 2020N/A0N/AN/A
January 30, 2020N/A0N/AN/A
January 29, 2020N/A0N/AN/A
January 28, 2020N/A0N/AN/A
January 27, 2020N/A0N/AN/A
January 26, 2020N/A0N/AN/A
January 25, 2020N/A0N/AN/A
January 24, 2020N/A0N/AN/A
January 23, 2020N/A0N/AN/A
January 22, 2020N/A0N/AN/A