In 2023, Quantico, MD had a population of 92 people with a median age of 35.7 and a median household income of $115,865. Between 2022 and 2023 the population of Quantico, MD declined from 176 to 92, a −47.7% decrease and its median household income grew from $113,750 to $115,865, a 1.86% increase.
The 5 largest ethnic groups in Quantico, MD are White (Non-Hispanic) (100%), Black or African American (Non-Hispanic) (0%), American Indian & Alaska Native (Non-Hispanic) (0%), Asian (Non-Hispanic) (0%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0%).
None of the households in Quantico, MD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in Quantico, MD are U.S. citizens.