Historic American Buildings Survey, Creator, and John Magruder. Dunblane, Westphalia Road, Forestville, Prince George's County, MD. Forestville Maryland Prince George's County, 1933. Documentation Compiled After. Photograph. Retrieved from the Library of Congress, https://www.loc.gov/item/md0522/.
If you are 65 or older, your gross income needs to be $13,950 or more for you to file. If you are a widow/widower with dependent children you would qualify to file taxes if you are younger than 65 with a gross income of $15,700 or more.
If you plan to file a joint return you must file if your income is at least $19,500 if neither spouse is 65 or older. If only one is older than 65, the limit increases to $20,650 and if both are 65 or older the limit increases to $21,800.