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 4/9/2021.

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=4).
Age Group Male Female Total
Count Rate per 100K population Count Rate per 100K population Count Rate
0-9 years 2,135 3,097.8 1,905 2,887.3 4,040 2,994.9
10-19 years 3,421 5,093.2 3,636 5,686.2 7,057 5,382.4
20-29 years 5,659 9,111.7 6,126 9,967.6 11,785 9,537.4
30-39 years 5,519 7,827.4 5,965 8,029.5 11,484 7,931.0
40-49 years 5,245 7,654.7 5,673 7,576.9 10,918 7,614.1
50-59 years 4,817 6,845.9 5,011 6,494.6 9,828 6,662.2
60-69 years 3,151 5,934.2 3,193 5,307.4 6,344 5,601.3
70-79 years 1,480 5,567.9 1,691 4,743.1 3,171 5,095.4
80+ years 1,149 7,598.2 1,992 8,220.2 3,141 7,981.2
Total years 32,576 6,484.2 35,192 6,544.4 67,768 6,515.3

Confirmed Cases by Age and Month

  • Cases with unknown sex/age are excluded (n=4).
  • 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 1,018 688 398 613 6,891
May Case % 4.1 5.9 14.2 18.5 17.9 14.8 10.0 5.8 8.9 100
June Case Count 158 266 493 577 486 412 244 100 111 2,847
June Case % 5.5 9.3 17.3 20.3 17.1 14.5 8.6 3.5 3.9 100
July Case Count 130 314 624 521 418 379 201 93 68 2,748
July Case % 4.7 11.4 22.7 19.0 15.2 13.8 7.3 3.4 2.5 100
August Case Count 143 316 501 415 339 248 187 92 81 2,322
August Case % 6.2 13.6 21.6 17.9 14.6 10.7 8.1 4.0 3.5 100
September Case Count 134 452 626 404 326 315 182 79 57 2,575
September Case % 5.2 17.6 24.3 15.7 12.7 12.2 7.1 3.1 2.2 100
October Case Count 219 400 703 643 601 528 290 141 112 3,637
October Case % 6.0 11.0 19.3 17.7 16.5 14.5 8.0 3.9 3.1 100
November Case Count 603 874 1,668 1,452 1,406 1,327 736 391 326 8,783
November Case % 6.9 10.0 19.0 16.5 16.0 15.1 8.4 4.5 3.7 100
December Case Count 890 1,379 2,184 2,123 2,014 1,832 1,214 569 531 12,736
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 1,285 1,875 1,814 1,822 1,678 1,180 568 422 11,438
January Case % 6.9 11.2 16.4 15.9 15.9 14.7 10.3 5.0 3.7 100
February Case Count 286 553 695 638 617 553 384 193 140 4,059
February Case % 7.0 13.6 17.1 15.7 15.2 13.6 9.5 4.8 3.4 100
March Case Count 258 512 660 563 538 483 299 101 66 3,480
March Case % 7.4 14.7 19.0 16.2 15.5 13.9 8.6 2.9 1.9 100
April Case Count 60 117 127 107 105 88 61 20 9 694
April Case % 8.6 16.9 18.3 15.4 15.1 12.7 8.8 2.9 1.3 100
Total Case Count 4,040 7,057 11,785 11,484 10,918 9,828 6,344 3,171 3,141 67,768
Total Case % 6.0 10.4 17.4 16.9 16.1 14.5 9.4 4.7 4.6 100

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 245 197 44 123 64 88 761
March Case % 32.2 25.9 5.8 16.2 8.4 11.6 100
April Case Count 956 1,080 222 1,703 283 553 4,797
April Case % 19.9 22.5 4.6 35.5 5.9 11.5 100
May Case Count 1,090 891 265 3,078 528 1,039 6,891
May Case % 15.8 12.9 3.8 44.7 7.7 15.1 100
June Case Count 455 283 97 1,265 166 581 2,847
June Case % 16.0 9.9 3.4 44.4 5.8 20.4 100
July Case Count 586 557 90 827 167 521 2,748
July Case % 21.3 20.3 3.3 30.1 6.1 19.0 100
August Case Count 372 417 77 631 104 722 2,323
August Case % 16.0 18.0 3.3 27.2 4.5 31.1 100
September Case Count 473 336 57 552 135 1,023 2,576
September Case % 18.4 13.0 2.2 21.4 5.2 39.7 100
October Case Count 613 416 125 1,224 272 987 3,637
October Case % 16.9 11.4 3.4 33.7 7.5 27.1 100
November Case Count 1,504 1,075 342 2,511 664 2,687 8,783
November Case % 17.1 12.2 3.9 28.6 7.6 30.6 100
December Case Count 2,647 1,906 505 3,390 1,272 3,017 12,737
December Case % 20.8 15.0 4.0 26.6 10.0 23.7 100
January Case Count 2,643 1,836 441 3,126 1,133 2,260 11,439
January Case % 23.1 16.1 3.9 27.3 9.9 19.8 100
February Case Count 927 744 168 1,081 408 731 4,059
February Case % 22.8 18.3 4.1 26.6 10.1 18.0 100
March Case Count 820 716 142 751 442 609 3,480
March Case % 23.6 20.6 4.1 21.6 12.7 17.5 100
April Case Count 155 131 17 97 67 227 694
April Case % 22.3 18.9 2.4 14.0 9.7 32.7 100
Total Case Count 13,486 10,585 2,592 20,359 5,705 15,045 67,772
Total Case % 19.9 15.6 3.8 30.0 8.4 22.2 100

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*** 0 0.0 1 N/A***
30-39 years 16 22.7 5 N/A*** 21 14.5
40-49 years 29 42.3 15 20.0 44 30.7
50-59 years 79 112.3 20 25.9 99 67.1
60-69 years 141 265.5 61 101.4 202 178.4
70-79 years 171 643.3 134 375.9 305 490.1
80+ years 376 2,486.4 395 1,630.0 771 1,959.1
Total years 813 161.8 630 117.2 1,443 138.7

Deaths by Race/Ethnicity and Month

Row percent is displayed, representing the percentage of total deaths per month falling within each race/ethniciy 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 137 80 20 34 10 0 281
April death % 48.8 28.5 7.1 12.1 3.6 0 100
May death Count 150 64 31 63 10 0 318
May death % 47.2 20.1 9.7 19.8 3.1 0 100
June death Count 44 16 12 37 1 0 110
June death % 40.0 14.5 10.9 33.6 0.9 0 100
July death Count 16 7 3 20 1 0 47
July death % 34.0 14.9 6.4 42.6 2.1 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 12 4 2 6 1 0 25
September death % 48.0 16.0 8.0 24.0 4.0 0 100
October death Count 15 2 2 5 2 0 26
October death % 57.7 7.7 7.7 19.2 7.7 0 100
November death Count 49 9 12 19 3 0 92
November death % 53.3 9.8 13.0 20.7 3.3 0 100
December death Count 102 16 12 34 3 1 168
December death % 60.7 9.5 7.1 20.2 1.8 0.6 100
January death Count 90 27 27 34 3 1 182
January death % 49.5 14.8 14.8 18.7 1.6 0.5 100
February death Count 40 16 14 24 6 0 100
February death % 40.0 16.0 14.0 24.0 6.0 0.0 100
March death Count 21 14 9 12 2 0 58
March death % 36.2 24.1 15.5 20.7 3.4 0.0 100
April death Count 2 0 0 1 0 0 3
April death % 66.7 0.0 0.0 33.3 0.0 0.0 100
Total death Count 693 260 147 299 42 2 1,443
Total death % 48.0 18.0 10.2 20.7 2.9 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 1
20740 1
20746 1
20748 1
20783 2
20810 1
20814 40
20815 47
20816 12
20817 45
20818 1
20832 30
20833 9
20837 4
20839 3
20841 7
20842 2
20850 95
20851 8
20852 81
20853 38
20854 63
20855 15
20860 14
20861 3
20866 20
20868 2
20871 12
20872 15
20874 46
20876 19
20877 67
20878 42
20879 27
20882 11
20886 49
20895 35
20901 43
20902 96
20903 38
20904 125
20905 21
20906 142
20910 66
20912 35
21050 1
21113 1
21223 1
21771 1
21797 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 4575 727 15.9
Non-Nursing Home 63,197 716 1.1
Total 67,772 1,443 2.1

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!