The Mine Hill Township post office opened in 1872, the earliest record of the town by name. Wikidata gives 1923. Another post office, Mine Hill (1872), opened inside today’s town and later closed.
First census: 1,422 in 19302020 census: 4,015154 years
How historic is Mine Hill Township?
B−
More historic than 47% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Mine Hill Township post office (Blevins & Helbock, CC0). Wikidata: 1923.
History grade
What drives Mine Hill Township’s History grade
On its age, its old homes and the National Register, Mine Hill Township is more historic than 47% of U.S. towns, #320 of 468 in New Jersey. Its share of homes from before 1940 holds the grade up; its age pulls it down.
B−
HistoryA character grade: shown, never part of Mine Hill Township’s overall grade.
New Jersey towns list more on the Register than most of the country (a typical New Jersey town has 3.7 per 10,000 residents, the U.S. 2.4), so Mine Hill Township’s 2.5 sits near the middle of its state (43% of New Jersey towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C to B. The pre-1940 share is a Census survey estimate (±5.8 points). The founding year is the first post office, not a stated founding date; Wikidata gives 1923.
Founding year: the first post office (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 Mine Hill Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Mine Hill Township. Tap a year, or press play to watch the town change.
1888Lake Hopatcong sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Mine Hill Township.
The story so far
Mine Hill Township, in brief
Wikipedia doesn’t have a history of Mine Hill Township yet. The photos, dates and memories neighbors add here are how it gets written.
Mine Hill Township is a township in Morris County, in the U.S. state of New Jersey. It is a residential community located just west of the center of Morris County, and northwest of the county seat Morristown. Mine Hill was incorporated as a township by an act of the New Jersey Legislature on March 2, 1923, from portions of Randolph, based on the results of a referendum held on May 8, 1923. The township's name comes from the history of mines in the area. Mining in Mine Hill dates back to the early 18th century and the township had some of the richest sources of iron ore in the country. The family of Mahlon Dickerson, who was New Jersey's 7th Governor, owned the Dickerson Mine, which was the …
Its first post office opened in 1872. Between the 2010 and 2020 censuses its population grew from 3,651 to 4,015 (+10%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Mine Hill Township, 1872 to 1911
Woven from the archive, old maps, post office records, the National Register and the people born here.
The Mine Hill Township post office opened in 1872, the earliest record of the town by name (U.S. post office records). Wikidata gives 1923.
How does Mine Hill Township rank for history?
Mine Hill Township is more historic than 47% of U.S. towns, #320 of 468 in New Jersey. 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 Mine Hill Township?
One place: the Bridget Smith House (listed 1998).
How old are the homes in Mine Hill Township?
15% of Mine Hill Township’s homes were built before 1940 (Census estimate, ±5.8 points), against a typical 15% for a New Jersey town; the median home was built in 1966.
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 National Register of Historic Places (1), 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.