On its age, its old homes and the National Register, Linthicum is more historic than 52% of U.S. towns, #84 of 261 in Maryland. Its National Register listings hold the grade up; its age pulls it down.
B−
HistoryA character grade: shown, never part of Linthicum’s overall grade.
Few Maryland towns list much on the Register (a typical Maryland town has 0.9 per 10,000 residents, the U.S. 2.4), so Linthicum’s 233 sits above most of its state (87% of Maryland towns have fewer) while its 264 historic buildings outnumber those of 95% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C− to A−. The pre-1940 share (±2.9 points) is firm at this size. Two sources give 1908.
Founding year: Wikidata (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Linthicum’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Linthicum yet. The photos, dates and memories neighbors add here are how it gets written.
Linthicum is a census-designated place (CDP) and unincorporated community in Anne Arundel County, Maryland, United States. The population was 10,324 at the 2010 census. It is located directly north of Baltimore–Washington International Thurgood Marshall Airport (BWI). The location is designed "Linthicum Heights" by the U.S. Postal Service, with the zip code 21090. Linthicum has been traditionally divided into two distinct communities, each with its own community association and identity. These two communities, split by the Baltimore Beltway in 1957, are Linthicum and North Linthicum (or, alternatively, Linthicum-Shipley and North Linthicum.) Both communities developed as a result of their l…
Linthicum was established in 1908. Between the 2010 and 2020 censuses its population grew from 10,324 to 11,190 (+8%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Linthicum, 1894 to 1921
Woven from the archive, old maps, post office records, the National Register and the people born here.
In 1908, according to Wikidata. Linthicum’s post office opened in 1921, and the census of 2000 counted 7,539 people here.
How does Linthicum rank for history?
Linthicum is more historic than 52% of U.S. towns, #84 of 261 in Maryland. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Linthicum?
Three places: the Turkey Hill (listed 1979), the Twin Oaks (1986) and the Linthicum Heights Historic District (2006).
How old are the homes in Linthicum?
12% of Linthicum’s homes were built before 1940 (Census estimate, ±2.9 points), against a typical 3.3% for a Maryland town; the median home was built in 1959.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From the National Register of Historic Places (3), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
