BALTIMORE (WJZ) — Maryland has released data on COVID-19 patients by ZIP code, and the area with the most cases in the state is in northwest Baltimore.

The 21215 zip code, encompassing parts of northwest Baltimore, including parts of Baltimore County like Pikesville, has the largest concentration of cases at 137.

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Three of the highest ZIP codes are in the Silver Spring area: 20904 with 132, 20906 with 126 cases and 20902 with 125 cases.

Rounding out the top five ZIP codes is 20744 in Fort Washington, Maryland, with 122 cases.

The state recently released racial data on COVID-19 patients for the first time and said they had been working on compiling ZIP code data as well.

There are now over 8,000 cases of the virus in Maryland, according to numbers released Sunday morning. 235 people have died.

Maryland Delegate Nick Mosby had been calling for the state to release racial and ZIP code data. He and 80 other legislators had written a letter to the governor earlier this month. 

“Racial health disparities and discrimination produce persistent negative outcomes on poor communities of color,” the letter read.

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In an interview Sunday morning, Gov. Larry Hogan said the state has been focused on the hardest-hit ZIP codes.


“A lot of our focus has been on those areas you’re talking about,” he said. “Our highest population centers are those with the highest concentrations of blacks and Hispanics.”

The governor added the state is using the ZIP code data to send help where it’s needed most.

“We’re trying to save lives of thousands in our state, the 6 million who live here but the vast majority are focused on that Baltimore-Washington corridor,” he said.

Baltimore City released its ZIP code data last week. As of Sunday, multiple ZIP codes in the city reported zero cases of the coronavirus, including 21210, 21235, 21241, 21251 and 21287.

Here are the top 10 Maryland ZIP codes with the most cases of COVID-19 as of Sunday, April 12:

  1. 21215
    • Cases: 137
    • Cities: Baltimore, Pikesville, Lochearn
  2. 20904
    • Cases: 132
    • Cities: Colesville, White Oak
  3. 20906
    • Cases: 126
    • Cities: Aspen Hill, Colesville, Leisure World
  4. 20902
    • Cases: 125
    • Cities: Silver Spring, Kemp Hill, Wheaton-Glenmont, North Kensington
  5. 20744
    • Cases: 122
    • Cities: Fort Washington
  6. 20706
    • Cases: 120
    • Cities: Lanham, Glenarden, Glenn Dale, Greenbelt, Mitchellville
  7. 20772
    • Cases: 115
    • Cities: Upper Marlboro, Queen Land, Brock Hall
  8. 20774
    • Cases: 113
    • Cities: Largo, Woodmore, Lake Arbor, Queen Anne Estates
  9. 21234
    • Cases: 109
    • Cities: Baltimore, Parkville, Overlea, Perry Hall, Carney
  10. 20747
    • Cases: 108
    • Cities: District Heights, Forestville, Walker Mill, Suitland-Silver Hill

You can look up your ZIP code here.

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For the latest information on coronavirus go to the Maryland Health Department’s website or call 211. You can find all of WJZ’s coverage on coronavirus in Maryland here.

Annie Rose Ramos