In 2019, Garrett Park, MD had a population of 873 people with a median age of 51.4 and a median household income of $187,778. Between 2018 and 2019 the population of Garrett Park, MD declined from 1,010 to 873, a −13.6% decrease and its median household income grew from $179,306 to $187,778, a 4.72% increase.
The 5 largest ethnic groups in Garrett Park, MD are White (Non-Hispanic) (88%), White (Hispanic) (6.53%), Asian (Non-Hispanic) (2.63%), Other (Hispanic) (1.37%), and Black or African American (Non-Hispanic) (1.15%). 0% of the households in Garrett Park, MD speak a non-English language at home as their primary language, and 96.3% of the residents in Garrett Park, MD are U.S. citizens.
In 2019, the median property value in Garrett Park, MD was $823,300, and the homeownership rate was 92.4%. Most people in Garrett Park, MD drove alone to work, and the average commute time was 25 minutes. The average car ownership in Garrett Park, MD was 2 cars per household.