Founding year: the first Moriarty post office (Blevins & Helbock, CC0).
History grade
What drives Moriarty’s History grade
On its age, its old homes and the National Register, Moriarty is more historic than 38% of U.S. towns. Its National Register listings hold the grade up; its age pulls it down.
C+
HistoryA character grade: shown, never part of Moriarty’s overall grade.
New Mexico towns list about as much on the Register as the country (a typical New Mexico town has 2.2 per 10,000 residents, the U.S. 2.4), so Moriarty’s 9.5 sits above most of its state (72% of New Mexico towns have fewer) while its 2 listings outnumber those of 60% 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 (±13.9 points). The founding year is the first post office, not a stated founding date.
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 Moriarty’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 Moriarty yet. The photos, dates and memories neighbors add here are how it gets written.
Moriarty is a city in Torrance County, New Mexico, United States. The population was 1,946 at the 2020 census. It is located about ten miles east of Edgewood, and shares a school district with the town, despite them being in separate counties (Edgewood is in Santa Fe County).
Its first post office opened in 1902. Its population held steady between the last two censuses: 1,910 in 2010, 1,946 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Moriarty, 1890 to 1956
Woven from the archive, old maps, post office records, the National Register and the people born here.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
People over time
Moriarty, census by census
Grew from 720 people in 1960 to 1,946 in 2020.
7 censuses, 1960–2020.
U.S. Census Bureau decennial counts, from the census table on Moriarty’s Wikipedia page.
Questions about Moriarty’s history
What year was Moriarty founded?
The Moriarty post office opened in 1902, the earliest record of the town by name (U.S. post office records).
How does Moriarty rank for history?
Moriarty is more historic than 38% 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 Moriarty?
Two places: the Moriarty Eclipse Windmill (listed 1979) and the Evans, Greene, Garage (1993).
How old are the homes in Moriarty?
12% of Moriarty’s homes were built before 1940 (Census estimate, ±13.9 points), against a typical 2.3% for a New Mexico town; the median home was built in 1986.
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), Wikidata (1), the National Register of Historic Places (2), 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.