Montgomery County COVID-19 Case Counts

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  • Counts may be different from those reported by Maryland, due to sources of reporting.
  • Cases with unknown sex/age are excluded.
  • Rates are per 100,000 population.
  • Case Fatality Rate = (Number of Deaths/Number of Cases)*100

The information in the case count tables is based on the Maryland Department of Health data released on 6/14/2021.

We normally update this page on Fridays. For a daily updates on cases and deaths, see the State of Maryland COVID-19 Data Dashboard.

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Confirmed Cases

  • The counts may be different than those reported by MDH due to sources of reporting.
  • Cases with unknown sex/age are excluded (n=0).
Age Group Male Female Total
Count Rate per 100K population Count Rate per 100K population Count Rate
0-9 years 2,323 3,370.6 2,075 3,144.1 4,398 3,260.2
10-19 years 3,682 5,481.8 3,864 6,042.8 7,546 5,755.4
20-29 years 5,958 9,593.1 6,463 10,515.1 12,421 10,052.1
30-39 years 5,791 8,213.1 6,272 8,442.7 12,063 8,330.9
40-49 years 5,483 8,002.0 5,905 7,886.8 11,388 7,941.9
50-59 years 5,014 7,125.9 5,225 6,771.1 10,239 6,940.8
60-69 years 3,263 6,145.1 3,302 5,488.6 6,565 5,796.4
70-79 years 1,521 5,722.1 1,732 4,858.1 3,253 5,227.1
80+ years 1,168 7,723.8 2,018 8,327.5 3,186 8,095.5
Total years 34,203 6,808.1 36,856 6,853.8 71,059 6,831.7

Confirmed Cases by Age and Month

  • Cases with unknown sex/age are excluded (n=0).
  • Row percent is displayed, representing the percentage of total cases per month falling within each age group.
  • The sum of monthly cases may not add up to total due to invalid year/month combination.
Age group 0-9 years 10-19 years 20-29 years 30-39 years 40-49 years 50-59 years 60-69 years 70-79 years 80+years Total
March Case Count 1 24 112 139 135 146 116 57 31 761
March Case % 0.1 3.2 14.7 18.3 17.7 19.2 15.2 7.5 4.1 100
April Case Count 84 156 539 816 876 821 562 369 574 4,797
April Case % 1.8 3.3 11.2 17.0 18.3 17.1 11.7 7.7 12.0 100
May Case Count 280 409 978 1,272 1,235 1,016 688 398 613 6,889
May Case % 4.1 5.9 14.2 18.5 17.9 14.7 10.0 5.8 8.9 100
June Case Count 158 266 493 577 486 412 244 101 111 2,848
June Case % 5.5 9.3 17.3 20.3 17.1 14.5 8.6 3.5 3.9 100
July Case Count 130 314 623 521 418 379 201 93 68 2,747
July Case % 4.7 11.4 22.7 19.0 15.2 13.8 7.3 3.4 2.5 100
August Case Count 143 316 501 415 339 249 187 92 81 2,323
August Case % 6.2 13.6 21.6 17.9 14.6 10.7 8.0 4.0 3.5 100
September Case Count 134 452 627 403 325 315 181 78 57 2,572
September Case % 5.2 17.6 24.4 15.7 12.6 12.2 7.0 3.0 2.2 100
October Case Count 218 399 701 636 601 526 289 141 112 3,623
October Case % 6.0 11.0 19.3 17.6 16.6 14.5 8.0 3.9 3.1 100
November Case Count 598 874 1,667 1,450 1,405 1,326 737 391 327 8,775
November Case % 6.8 10.0 19.0 16.5 16.0 15.1 8.4 4.5 3.7 100
December Case Count 885 1,375 2,177 2,117 2,013 1,823 1,212 571 530 12,703
December Case % 7.0 10.8 17.1 16.7 15.8 14.4 9.5 4.5 4.2 100
January Case Count 794 1,286 1,877 1,815 1,823 1,683 1,180 568 423 11,449
January Case % 6.9 11.2 16.4 15.9 15.9 14.7 10.3 5.0 3.7 100
February Case Count 286 552 695 638 618 553 384 194 140 4,060
February Case % 7.0 13.6 17.1 15.7 15.2 13.6 9.5 4.8 3.4 100
March Case Count 257 514 662 564 540 487 301 101 66 3,492
March Case % 7.4 14.7 19.0 16.2 15.5 13.9 8.6 2.9 1.9 100
April Case Count 312 472 587 502 414 393 206 72 28 2,986
April Case % 10.4 15.8 19.7 16.8 13.9 13.2 6.9 2.4 0.9 100
May Case Count 102 124 165 174 144 97 67 24 23 920
May Case % 11.1 13.5 17.9 18.9 15.7 10.5 7.3 2.6 2.5 100
June Case Count 16 13 17 24 16 13 10 3 2 114
June Case % 14.0 11.4 14.9 21.1 14.0 11.4 8.8 2.6 1.8 100
Total Case Count 4,398 7,546 12,421 12,063 11,388 10,239 6,565 3,253 3,186 71,059
Total Case % 6.2 10.6 17.5 17.0 16.0 14.4 9.2 4.6 4.5 100

Cases by Race/Ethnicity and Month

  • Row percent is displayed, representing the percentage of total cases per month falling within each race/ethnicity group.
  • The sum of monthly cases may not add up to total due to invalid year/month combination.
Race/Ethnicity Non-Hispanic White Non-Hispanic Black Non-Hispanic Asian Hispanic Other Unknown TOTALS
March Case Count 250 201 44 124 64 78 761
March Case % 32.9 26.4 5.8 16.3 8.4 10.2 100
April Case Count 963 1,087 223 1,715 286 523 4,797
April Case % 20.1 22.7 4.6 35.8 6.0 10.9 100
May Case Count 1,101 893 267 3,104 534 990 6,889
May Case % 16.0 13.0 3.9 45.1 7.8 14.4 100
June Case Count 466 290 99 1,282 170 541 2,848
June Case % 16.4 10.2 3.5 45.0 6.0 19.0 100
July Case Count 590 566 91 836 168 496 2,747
July Case % 21.5 20.6 3.3 30.4 6.1 18.1 100
August Case Count 374 420 79 641 105 704 2,323
August Case % 16.1 18.1 3.4 27.6 4.5 30.3 100
September Case Count 477 341 60 562 140 992 2,572
September Case % 18.5 13.3 2.3 21.9 5.4 38.6 100
October Case Count 625 419 127 1,239 271 942 3,623
October Case % 17.3 11.6 3.5 34.2 7.5 26.0 100
November Case Count 1,530 1,086 348 2,548 671 2,592 8,775
November Case % 17.4 12.4 4.0 29.0 7.6 29.5 100
December Case Count 2,684 1,931 524 3,448 1,293 2,823 12,703
December Case % 21.1 15.2 4.1 27.1 10.2 22.2 100
January Case Count 2,692 1,870 458 3,166 1,153 2,110 11,449
January Case % 23.5 16.3 4.0 27.7 10.1 18.4 100
February Case Count 936 757 172 1,095 415 685 4,060
February Case % 23.1 18.6 4.2 27.0 10.2 16.9 100
March Case Count 830 741 151 770 448 552 3,492
March Case % 23.8 21.2 4.3 22.1 12.8 15.8 100
April Case Count 682 806 90 611 323 474 2,986
April Case % 22.8 27.0 3.0 20.5 10.8 15.9 100
May Case Count 156 288 18 229 88 141 920
May Case % 17.0 31.3 2.0 24.9 9.6 15.3 100
June Case Count 15 29 3 37 5 25 114
June Case % 13.2 25.4 2.6 32.5 4.4 21.9 100
Total Case Count 14,371 11,725 2,754 21,407 6,134 14,668 71,059
Total Case % 20.2 16.5 3.9 30.1 8.6 20.6 100

Cases by ZIP Code

ZIP codes with less than 15 cumulative cases have been redacted from this report.

Open "Cases by ZIP Code" in a new window - view more easily on mobile devices!

Deaths by Age and Gender

***Rates are suppressed if frequency is less than 10, due to statistical instability.
Age Group Male Female Total
Count Rate per 100K population Count Rate per 100K population Count Rate per 100K population
0-9 years 0 0.0 0 0.0 0 0
10-19 years 0 0.0 0 0.0 0 0
20-29 years 1 N/A*** 1 N/A*** 2 N/A***
30-39 years 17 24.1 5 N/A*** 22 15.2
40-49 years 36 52.5 19 25.4 55 38.4
50-59 years 85 120.8 23 29.8 108 73.2
60-69 years 155 291.9 69 114.7 224 197.8
70-79 years 181 680.9 147 412.3 328 527.1
80+ years 401 2,651.8 425 1,753.8 826 2,098.8
Total years 876 174.4 689 128.1 1,565 150.5

Deaths by Race/Ethnicity and Month

Row percent is displayed, representing the percentage of total deaths per month falling within each race/ethnicity group.
Race/Ethnicity Non-Hispanic White Non-Hispanic Black Non-Hispanic Asian Hispanic Other Unknown TOTALS
March death Count 0 1 3 1 0 0 5
March death % 0.0 20.0 60.0 20.0 0.0 0 100
April death Count 139 80 20 35 10 0 284
April death % 48.9 28.2 7.0 12.3 3.5 0 100
May death Count 158 67 32 64 10 0 331
May death % 47.7 20.2 9.7 19.3 3.0 0 100
June death Count 45 16 12 37 1 0 111
June death % 40.5 14.4 10.8 33.3 0.9 0 100
July death Count 18 7 4 20 1 0 50
July death % 36.0 14.0 8.0 40.0 2.0 0 100
August death Count 15 4 0 9 0 0 28
August death % 53.6 14.3 0.0 32.1 0.0 0 100
September death Count 13 4 2 6 1 0 26
September death % 50.0 15.4 7.7 23.1 3.8 0 100
October death Count 16 2 2 5 2 0 27
October death % 59.3 7.4 7.4 18.5 7.4 0 100
November death Count 51 9 13 20 3 0 96
November death % 53.1 9.4 13.5 20.8 3.1 0 100
December death Count 104 17 12 37 3 1 174
December death % 59.8 9.8 6.9 21.3 1.7 0.6 100
January death Count 93 27 29 33 3 1 186
January death % 50.0 14.5 15.6 17.7 1.6 0.5 100
February death Count 46 19 14 27 7 0 113
February death % 40.7 16.8 12.4 23.9 6.2 0.0 100
March death Count 23 15 10 13 2 0 63
March death % 36.5 23.8 15.9 20.6 3.2 0.0 100
April death Count 15 8 5 15 1 0 44
April death % 34.1 18.2 11.4 34.1 2.3 0.0 100
May death Count 10 7 2 4 3 0 26
May death % 38.5 26.9 7.7 15.4 11.5 0.0 100
June death Count 0 0 0 1 0 0 1
June death % 0.0 0.0 0.0 100.0 0.0 0.0 100
Total death Count 746 283 160 327 47 2 1,565
Total death % 47.7 18.1 10.2 20.9 3.0 0.1 100

Deaths by ZIP Code

map showing deaths by ZIP Code

Based on ZIP code of residence

Deaths by ZIP Code Data
ZIP Code Number of Deaths
20706 1
20708 1
20723 2
20740 1
20746 1
20748 1
20783 2
20810 1
20814 44
20815 47
20816 12
20817 47
20818 1
20832 31
20833 10
20837 4
20839 3
20841 8
20842 2
20848 1
20850 98
20851 8
20852 89
20853 40
20854 64
20855 17
20860 14
20861 4
20866 22
20868 2
20871 13
20872 15
20874 52
20876 19
20877 76
20878 42
20879 31
20882 14
20886 51
20895 37
20901 51
20902 105
20903 39
20904 137
20905 22
20906 150
20910 73
20912 39
21050 1
21113 1
21223 1
21701 1
21771 1
21797 1
22088 1

Nursing Home Cases and Deaths

Numbers may not match with those reported by MDH due to reporting lags.

Case Fatality Rate = (# deaths / # cases) * 100
Deaths Cases Deaths Case Fatality Rate
Nursing Home 4829 770 15.9
Non-Nursing Home 66230 795 1.2
Total 71,059 1,565 2.2

COVID-19 Vaccinations by ZIP Code

map showing vaccine distribution by ZIP Code

Rt (time-varying reproduction number)

See Rt graph previously on this page.

Open "Montgomery County Employee Cases" in a new window - view more easily on mobile devices!