Montgomery County COVID-19 Case Counts

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The information in the case count tables is based on the Maryland Department of Health data released on 10/30/2020.

  • 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

We update the case count tables on Tuesdays and Fridays. For a daily updates on cases and deaths, see the State of Maryland Covid-19 Data Dashboard.

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Confirmed Cases
Age Group Male Female Total
Count Rate Count Rate Count Rate
0-9 years 586 850.3 524 794.2 1,110 822.8
10-19 years 1,053 1567.7 1,201 1878.2 2,254 1719.1
20-29 years 2,098 3378.0 2,333 3796.0 4,431 3585.9
30-39 years 2,259 3203.8 2,387 3213.1 4,646 3208.6
40-49 years 2,163 3156.7 2,132 2847.5 4,295 2995.3
50-59 years 1,880 2671.9 1,866 2418.5 3,746 2539.3
60-69 years 1,219 2295.7 1,198 1991.3 2,417 2134.0
70-79 years 621 2336.3 679 1804.5 1,300 2088.9
80+ years 565 3736.3 1,068 4407.2 1,633 4149.4
Total 12,444 2477.0 13,388 2489.7 25,832 2483.5

Confirmed Cases by Age and Month of Specimen Collection

  • Cases with unknown age are excluded.
  • Row percent is displayed, representing the percentage of total cases per month falling within each age group.
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 TOTALS
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
April case count 84 156 540 815 878 824 562 371 577 4,807
April case % 1.7 3.2 11.2 17.0 18.3 17.1 11.7 7.7 12.0
May case count 280 409 980 1,276 1,237 1,020 691 398 616 6,907
May case % 4.1 5.9 14.2 18.5 17.9 14.8 10.0 5.8 8.9
June case count 158 266 495 581 484 414 244 101 111 2,854
June case % 5.5 9.3 17.3 20.4 17.0 14.5 8.5 3.5 3.9
July case count 130 315 625 521 419 378 200 94 67 2,749
July case % 4.7 11.5 22.7 19.0 15.2 13.8 7.3 3.4 2.4
August case count 143 313 500 416 339 246 187 92 81 2,317
August case % 6.2 13.5 21.6 17.9 14.6 10.6 8.1 4.0 3.5
September case count 134 450 623 404 326 314 182 79 57 2,569
September case % 5.2 17.5 24.2 15.7 12.7 12.2 7.1 3.1 2.2
October case count 180 321 556 494 477 404 235 108 93 2,868
October case % 6.3 11.2 19.4 17.2 16.6 14.1 8.2 3.8 3.2

Cases by ZIP Code

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

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 Count Rate Count Rate
0-9 years 0 0.0 0 0.0 0 0.0
10-19 years 0 0.0 0 0.0 0 0.0
20-29 years 0 0.0 0 0.0 0 0.0
30-39 years 10 14.2 4 NA*** 14 9.7
40-49 years 21 30.6 9 NA*** 30 20.9
50-59 years 43 61.1 11          14.3 54 36.6
60-69 years 84 158.2 33 54.9 117 103.3
70-79 years 91 342.3 80 224.4 171 274.8
80+ years 198 1309.4 248 1023.4 446 1133.3
Total 447 89.0 385 71.6 832 80.0

Deaths by Demographics
Race/Ethnicity Count Rate
Non-Hispanic White 385 85.3
Non-Hispanic Black 178 92.5
Non-Hispanic Asian 72 44.7
Hispanic 173 83.6
Other 24
Total 832 80.0

Deaths by ZIP Code

Data table - Deaths by ZIP Code - Updated 10/30/2020

map showing deaths by ZIP Code

Nursing Home Cases and Deaths
Deaths Cases Deaths Case Fatality Rate
Nursing Home 3,060 478 15.6
Non-Nursing Home 22,774 354 1.6
Total 25,834 832 3.2

Rt (time-varying reproduction number)

See Rt graph previously on this page.