Interactive and printable 21111 ZIP code maps, population demographics, Monkton MD real estate costs, rental prices, and home values.

Explore ZIP Code 21111 in Monkton, MD — interactive map, demographics, housing data, income levels, schools, and local area information for residents and businesses.

Mar 1, 2026 · ZIP Code 21111 is located in Baltimore County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 1st and 2nd Congressional …

Zillow has 10 homes for sale in 21111. View listing photos, review sales history, and use our detailed real estate filters to find the perfect place.

Realtor.com® has 18 homes for sale in 21111, MD. The median listing price is $1,200,000. Browse the latest listings and find your dream home today.

Instantly search and view photos of all homes for sale in 21111, MD now. 21111, MD real estate listings updated every 15 to 30 minutes.

According to our research of Maryland and other state lists, there were 4 registered sex offenders living in 21111 zip code as of January 18, 2026. The ratio of all residents to sex offenders in zip code …

Population, income, demographics, employment, housing, and more for the 21111 zip code.

Map, population, demographics, economic characteristics and real estate information for ZIP Code 21111.

Map of 21111 in Maryland + data on income, age, sex, health, poverty, lat/lng and much.