Billerica dates to 1652, and 10% of its homes were built before 1940
More historic than 83% of U.S. towns · #211 of 283 in Massachusetts. What drives it
9 places in town are on the National Register, among them four historic districts with 137 buildings between them. Below: 18 old photos and papers, maps from 1886 on, and the census since 1790.
Founding year: Wikidata. First post office: 1797.The full story ↓
History grade
What drives Billerica’s History grade
On its age, its old homes and the National Register, Billerica is more historic than 83% of U.S. towns, #211 of 283 in Massachusetts. Its age holds the grade up; its share of homes from before 1940 pulls it down.
A−
HistoryA character grade: shown, never part of Billerica’s overall grade.
Massachusetts towns list more on the Register than most of the country (a typical Massachusetts town has 46.0 per 10,000 residents, the U.S. 2.4), so Billerica’s 40.2 sits near the middle of its state (44% of Massachusetts towns have fewer) while its 169 historic buildings outnumber those of 92% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B to A. The pre-1940 share (±1.8 points) is firm at this size. Two sources give 1652.
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 Billerica’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
In the early 1630s, a Praying Indian village named Shawshin was at the current site of Billerica, commonly spelled Shawsheen today, as in the Shawsheen River. In 1638, Massachusetts Bay Governor John Winthrop and Lt. Governor Thomas Dudley were granted land along the Concord River in the area, and roughly a dozen families from Cambridge and Charlestown Village had begun to occupy Shawshin by 1652. The settlers chose the name Billerica because some of the families originally came from the town of Billericay in Essex, England. The town was incorporated as Billerica in 1655, on the same day as neighboring Chelmsford and nearby Groton. The original plantation of Billerica was divided during the colonial period into the towns of Billerica, Bedford, Wilmington, and Tewksbury. Though Billerica made it through King Philip's War (1675–1678) without any by Native American attacks, it would suffer…
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
In 1652, according to Wikidata. Billerica’s post office opened in 1797, and the first U.S. census counted 1,191 people here in 1790.
How does Billerica rank for history?
Billerica is more historic than 83% of U.S. towns, #211 of 283 in Massachusetts. 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 Billerica?
9 listings: 5 buildings and 4 historic districts with 137 contributing buildings. 169 historic buildings in all.
How old are the homes in Billerica?
10% of Billerica’s homes were built before 1940 (Census estimate, ±1.8 points), against a typical 21% for a Massachusetts town; the median home was built in 1973.
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 Wikimedia Commons (6), the Library of Congress (12), Wikidata (6), the National Register of Historic Places (9), Wikipedia, Wikidata and Wikipedia for famous people, 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.