15% of Algonquin’s homes were built before 1940
More historic than 76% of U.S. towns. What drives it
Its Register listings are the Glasgow and the Annie Oakley House.
About Algonquin’s history
How historic is Algonquin?
More historic than 76% of U.S. towns, on its age, its old homes and the National Register.
What drives Algonquin’s History grade
On its age, its old homes and the National Register, Algonquin is more historic than 76% of U.S. towns. All 2 inputs are above most U.S. towns; its National Register listings ranks highest and its share of homes from before 1940 lowest.
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 Algonquin’s 27.9 sits above most of its state (77% of Maryland towns have fewer) while its 3 historic buildings outnumber those of 65% of U.S. towns.
Founding year: our sources. 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 →
2 historic places in Algonquin
The country’s official list of buildings and places worth saving.
Architectural styles listings
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Old corners
Old hamlets and crossroads still carry their names on the map.
Places and cemeteries from the USGS Geographic Names Information System (2021).
History across the town line
Each neighbor’s History grade, on the same three inputs.
Questions about Algonquin’s history
How does Algonquin rank for history?
Algonquin is more historic than 76% of U.S. towns. 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 Algonquin?
Two places: the Glasgow (listed 1976) and the Annie Oakley House (1996).
How old are the homes in Algonquin?
15% of Algonquin’s homes were built before 1940 (Census estimate, ±12.0 points), against a typical 3.3% for a Maryland town; the median home was built in 1959.
Memory lane
What the archives can’t tell you, neighbors can.
Where this page comes from
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 (2) 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.