Montgomery County COVID-19 Data Tables and Graphs

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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 9/17/2021.

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).

Download data for Confirmed Cases by Age Group (CSV) - New!
Download data for Confirmed Cases by Sex and Age Group (CSV) - New!
Age Group Male Female Total
Count Rate per 100K population Count Rate per 100K population Count Rate
0-9 years 2,813 4,081.5 2,531 3,836.1 5,344 3,961.5
10-19 years 4,201 6,254.5 4,328 6,768.4 8,529 6,505.1
20-29 years 6,531 10,515.7 7,190 11,698.9 13,721 11,104.2
30-39 years 6,321 8,964.8 6,888 9,271.9 13,209 9,122.4
40-49 years 5,952 8,686.5 6,401 8,549.3 12,353 8,614.8
50-59 years 5,385 7,653.2 5,649 7,321.5 11,034 7,479.7
60-69 years 3,552 6,689.4 3,590 5,967.3 7,142 6,305.8
70-79 years 1,625 6,113.4 1,873 5,253.6 3,498 5,620.8
80+ years 1,221 8,074.3 2,078 8,575.1 3,299 8,382.7
Total years 37,601 7,484.4 40,528 7,536.7 78,129 7,511.4

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.

Download data for Confirmed Cases by Age and Month (CSV) - New!
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 2020 Case Count 1 24 112 139 135 146 116 57 31 761
March 2020 Case % 0.1 3.2 14.7 18.3 17.7 19.2 15.2 7.5 4.1 100
April 2020 Case Count 84 156 539 816 877 821 562 369 573 4,797
April 2020 Case % 1.8 3.3 11.2 17.0 18.3 17.1 11.7 7.7 11.9 100
May 2020 Case Count 280 409 977 1,274 1,235 1,016 688 398 612 6,889
May 2020 Case % 4.1 5.9 14.2 18.5 17.9 14.7 10.0 5.8 8.9 100
June 2020 Case Count 158 265 493 574 487 412 245 101 111 2,846
June 2020 Case % 5.6 9.3 17.3 20.2 17.1 14.5 8.6 3.5 3.9 100
July 2020 Case Count 130 315 625 521 418 380 201 93 68 2,751
July 2020 Case % 4.7 11.5 22.7 18.9 15.2 13.8 7.3 3.4 2.5 100
August 2020 Case Count 142 316 501 417 338 248 188 92 81 2,323
August 2020 Case % 6.1 13.6 21.6 18.0 14.6 10.7 8.1 4.0 3.5 100
September 2020 Case Count 133 451 625 404 325 315 182 78 57 2,570
September 2020 Case % 5.2 17.5 24.3 15.7 12.6 12.3 7.1 3.0 2.2 100
October 2020 Case Count 218 399 704 635 599 525 287 142 112 3,621
October 2020 Case % 6.0 11.0 19.4 17.5 16.5 14.5 7.9 3.9 3.1 100
November 2020 Case Count 597 872 1,666 1,452 1,406 1,326 737 391 327 8,774
November 2020 Case % 6.8 9.9 19.0 16.5 16.0 15.1 8.4 4.5 3.7 100
December 2020 Case Count 884 1,373 2,179 2,118 2,015 1,822 1,211 570 530 12,702
December 2020 Case % 7.0 10.8 17.2 16.7 15.9 14.3 9.5 4.5 4.2 100
January 2021 Case Count 797 1,287 1,878 1,815 1,824 1,681 1,179 570 423 11,454
January 2021 Case % 7.0 11.2 16.4 15.8 15.9 14.7 10.3 5.0 3.7 100
February 2021 Case Count 285 553 696 638 621 553 384 194 140 4,064
February 2021 Case % 7.0 13.6 17.1 15.7 15.3 13.6 9.4 4.8 3.4 100
March 2021 Case Count 258 513 661 564 539 487 301 99 66 3,488
March 2021 Case % 7.4 14.7 19.0 16.2 15.5 14.0 8.6 2.8 1.9 100
April 2021 Case Count 313 470 587 501 414 393 205 72 28 2,983
April 2021 Case % 10.5 15.8 19.7 16.8 13.9 13.2 6.9 2.4 0.9 100
May 2021 Case Count 104 125 168 173 147 97 67 24 23 928
May 2021 Case % 11.2 13.5 18.1 18.6 15.8 10.5 7.2 2.6 2.5 100
June 2021 Case Count 26 30 50 50 36 33 25 10 8 268
June 2021 Case % 9.7 11.2 18.7 18.7 13.4 12.3 9.3 3.7 3.0 100
July 2021 Case Count 166 168 259 206 145 138 106 55 14 1,257
July 2021 Case % 13.2 13.4 20.6 16.4 11.5 11.0 8.4 4.4 1.1 100
August 2021 Case Count 534 554 749 667 571 462 331 137 65 4,070
August 2021 Case % 13.1 13.6 18.4 16.4 14.0 11.4 8.1 3.4 1.6 100
September 2021 Case Count 234 249 252 245 221 179 127 46 30 1,583
September 2021 Case % 14.8 15.7 15.9 15.5 14.0 11.3 8.0 2.9 1.9 100
Total Case Count 5,344 8,529 13,721 13,209 12,353 11,034 7,142 3,498 3,299 78,129
Total Case % 6.8 10.9 17.6 16.9 15.8 14.1 9.1 4.5 4.2 100

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.

Download data for Cases by Race/Ethnicity and Month (CSV) - New!
Download data for Total Confirmed Cases by Race/Ethnicity (CSV) - New!
Race/Ethnicity Non-Hispanic White Non-Hispanic Black Non-Hispanic Asian Hispanic Other Unknown TOTALS
March 2020 Case Count 254 204 44 125 64 70 761
March 2020 Case % 33.4 26.8 5.8 16.4 8.4 9.2 100
April 2020 Case Count 971 1,093 225 1,721 291 496 4,797
April 2020 Case % 20.2 22.8 4.7 35.9 6.1 10.3 100
May 2020 Case Count 1,118 898 274 3,147 544 908 6,889
May 2020 Case % 16.2 13.0 4.0 45.7 7.9 13.2 100
June 2020 Case Count 476 291 102 1,296 173 508 2,846
June 2020 Case % 16.7 10.2 3.6 45.5 6.1 17.8 100
July 2020 Case Count 598 574 93 842 174 470 2,751
July 2020 Case % 21.7 20.9 3.4 30.6 6.3 17.1 100
August 2020 Case Count 384 431 81 653 106 668 2,323
August 2020 Case % 16.5 18.6 3.5 28.1 4.6 28.8 100
September 2020 Case Count 493 348 61 572 142 954 2,570
September 2020 Case % 19.2 13.5 2.4 22.3 5.5 37.1 100
October 2020 Case Count 639 421 131 1,258 273 899 3,621
October 2020 Case % 17.6 11.6 3.6 34.7 7.5 24.8 100
November 2020 Case Count 1,562 1,107 358 2,596 686 2,465 8,774
November 2020 Case % 17.8 12.6 4.1 29.6 7.8 28.1 100
December 2020 Case Count 2,739 1,953 536 3,519 1,314 2,641 12,702
December 2020 Case % 21.6 15.4 4.2 27.7 10.3 20.8 100
January 2021 Case Count 2,749 1,907 474 3,200 1,180 1,944 11,454
January 2021 Case % 24.0 16.6 4.1 27.9 10.3 17.0 100
February 2021 Case Count 957 766 179 1,109 425 628 4,064
February 2021 Case % 23.5 18.8 4.4 27.3 10.5 15.5 100
March 2021 Case Count 845 753 157 783 453 497 3,488
March 2021 Case % 24.2 21.6 4.5 22.4 13.0 14.2 100
April 2021 Case Count 698 822 96 621 329 417 2,983
April 2021 Case % 23.4 27.6 3.2 20.8 11.0 14.0 100
May 2021 Case Count 159 295 19 233 91 131 928
May 2021 Case % 17.1 31.8 2.0 25.1 9.8 14.1 100
June 2021 Case Count 52 72 8 64 23 49 268
June 2021 Case % 19.4 26.9 3.0 23.9 8.6 18.3 100
July 2021 Case Count 405 229 34 220 175 194 1,257
July 2021 Case % 32.2 18.2 2.7 17.5 13.9 15.4 100
August 2021 Case Count 1,404 962 87 655 524 438 4,070
August 2021 Case % 34.5 23.6 2.1 16.1 12.9 10.8 100
September 2021 Case Count 461 289 39 341 191 262 1,583
September 2021 Case % 29.1 18.3 2.5 21.5 12.1 16.6 100
Total Case Count 16,964 13,415 2,998 22,955 7,158 14,639 78,129
Total Case % 21.7 17.2 3.8 29.4 9.2 18.7 100

Cases by ZIP Code

On August 5, 2021, the public-facing Montgomery County COVID-19 Dashboard methodology for monitoring COVID-19 related metrics was altered to align closer with the Centers for Disease Control and Prevention (CDC) Guidance released on July 27, 2021.

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 Sex

***Rates are suppressed if frequency is less than 10, due to statistical instability.

Download data for Deaths by Age and Sex (CSV) - New!
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 6 N/A*** 23 15.9
40-49 years 38 55.5 20 26.7 58 40.4
50-59 years 90 127.9 26 33.7 116 78.6
60-69 years 158 297.6 75 124.7 233 205.7
70-79 years 184 692.2 148 415.1 332 533.5
80+ years 416 2,751.0 433 1,786.8 849 2,157.3
Total years 904 179.9 709 131.8 1,613 155.1

Deaths by Race/Ethnicity and Month

Row percent is displayed, representing the percentage of total deaths per month falling within each race/ethnicity group.

Download data for Deaths by Race/Ethnicity and Month (CSV) - New!
Race/Ethnicity Non-Hispanic White Non-Hispanic Black Non-Hispanic Asian Hispanic Other Unknown TOTALS
March 2020 death Count 0 1 3 1 0 0 5
March 2020 death % 0.0 20.0 60.0 20.0 0.0 0 100
April 2020 death Count 140 80 20 35 10 0 285
April 2020 death % 49.1 28.1 7.0 12.3 3.5 0 100
May 2020 death Count 158 67 32 64 10 0 331
May 2020 death % 47.7 20.2 9.7 19.3 3.0 0 100
June 2020 death Count 45 16 12 37 1 0 111
June 2020 death % 40.5 14.4 10.8 33.3 0.9 0 100
July 2020 death Count 18 8 4 20 1 0 51
July 2020 death % 35.3 15.7 7.8 39.2 2.0 0 100
August 2020 death Count 15 4 0 9 0 0 28
August 2020 death % 53.6 14.3 0.0 32.1 0.0 0 100
September 2020 death Count 13 4 2 6 1 0 26
September 2020 death % 50.0 15.4 7.7 23.1 3.8 0 100
October 2020 death Count 16 2 2 5 2 0 27
October 2020 death % 59.3 7.4 7.4 18.5 7.4 0 100
November 2020 death Count 51 9 13 20 3 0 96
November 2020 death % 53.1 9.4 13.5 20.8 3.1 0 100
December 2020 death Count 106 17 12 37 3 1 176
December 2020 death % 60.2 9.7 6.8 21.0 1.7 0.6 100
January 2021 death Count 94 27 29 33 3 1 187
January 2021 death % 50.3 14.4 15.5 17.6 1.6 0.5 100
February 2021 death Count 46 19 14 27 7 0 113
February 2021 death % 40.7 16.8 12.4 23.9 6.2 0.0 100
March 2021 death Count 23 16 10 13 2 0 64
March 2021 death % 35.9 25.0 15.6 20.3 3.1 0.0 100
April 2021 death Count 15 8 6 15 1 0 45
April 2021 death % 33.3 17.8 13.3 33.3 2.2 0.0 100
May 2021 death Count 10 8 2 4 3 0 27
May 2021 death % 37.0 29.6 7.4 14.8 11.1 0.0 100
June 2021 death Count 5 2 2 4 0 0 13
June 2021 death % 38.5 15.4 15.4 30.8 0.0 0.0 100
July 2021 death Count 1 2 1 1 0 0 5
July 2021 death % 20.0 40.0 20.0 20.0 0.0 0.0 100
August 2021 death Count 4 4 2 4 0 0 14
August 2021 death % 28.6 28.6 14.3 28.6 0.0 0.0 100
September 2021 death Count 8 0 0 1 0 0 9
September 2021 death % 88.9 0.0 0.0 11.1 0.0 0.0 100
Total death Count 768 294 166 336 47 2 1,613
Total death % 47.6 18.2 10.3 20.8 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 2
20740 1
20746 1
20748 1
20783 2
20810 1
20814 46
20815 47
20816 13
20817 49
20818 1
20832 32
20833 10
20837 4
20839 3
20841 8
20842 2
20848 1
20850 102
20851 9
20852 91
20853 45
20854 68
20855 17
20860 14
20861 4
20866 26
20868 2
20871 13
20872 15
20874 54
20876 20
20877 79
20878 44
20879 32
20882 14
20886 53
20895 39
20901 52
20902 109
20903 42
20904 140
20905 22
20906 153
20910 74
20912 42
21050 1
21113 1
21223 1
21701 1
21771 2
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

Download data for Nursing Home Cases and Deaths (CSV) - New!
Deaths Cases Deaths Case Fatality Rate
Nursing Home 4,942 784 15.9
Non-Nursing Home 73,187 829 1.1
Total 78,129 1,613 2.1

COVID-19 Vaccinations by ZIP Code

map showing vaccine distribution by ZIP Code

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

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