More historic than 27% of U.S. towns · #865 of 993 in Ohio. What drives it
Most of Harlan Township was built recently: 10% of its homes predate 1940 and the median home dates from 1990. Below: maps from 1914 on and old-book passages.
On its age, its old homes and the National Register, Harlan Township is more historic than 27% of U.S. towns, #865 of 993 in Ohio. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
C
HistoryA character grade: shown, never part of Harlan Township’s overall grade.
Ohio towns list about as much on the Register as the country (a typical Ohio town has 2.9 per 10,000 residents, the U.S. 2.4), so Harlan Township’s 0.0 sits below most of its state (23% of Ohio towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1860.
How sure. Graded on any two of the three inputs instead, the letter would range from C− to C. The pre-1940 share is a Census survey estimate (±3.5 points).
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 Harlan 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 Harlan Township. Tap a year, or press play to watch the town change.
1914Morrow 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 Harlan Township.
The story so far
Harlan Township, in brief
Wikipedia doesn’t have a history of Harlan Township yet. The photos, dates and memories neighbors add here are how it gets written.
Harlan Township is one of the eleven townships of Warren County, Ohio, United States. It is located in the southeast corner of the county. The population was 4,929 as of the 2020 census.
Harlan Township was established in 1860. Between the 2010 and 2020 censuses its population grew from 4,698 to 4,929 (+5%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Harlan Township in 1882
Passages that mention Harlan Township, cut from the printed page as they were published.
The History of Warren County, Ohio1882 · page 674Read the page →
Read the text
The first macadamised road constructed in the township was the Goshen, Wilmington and Columbus Turnpike. This company was incorporated by an act of the Legislature, passed March 22, 1887, and the road was completed in 1840 through Harlan Township. It was a toll road, and constituted one of the most important thoroughfares in Southern Ohio, until supplanted by the railroads. In 1879, a legal proceeding, the right of the company in the road was declared forfeited, and in 1880 proceedings were had making it a free pike under what is known as die one mile assessment system.
Text read by machine from the scan; it may contain errors.
The History of Warren County, Ohio1882 · page 678Read the page →
Read the text
Methodist Episcopal Church. The first organization of a Methodist Church in Harlan Township dates very early, and is probably coeval with the first settlements. It is probable that the earliest settlers were members of that church, and that meetings for worship were held at private houses. As early as 1810 an organization had been perfected, and meetings were regularly held at the house of John Liggett, a rudely-built log cabin, on the farm now known as the Hitesman farm; and perhaps this was the first place of holding regular service. This continued for several years to be the regular place of worship until about 1814, when it was
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Harlan Township, 1825 to 1914
Woven from the archive, old maps, post office records, the National Register and the people born here.
In 1860, according to Wikidata. Harlan Township’s post office opened in 1825.
How does Harlan Township rank for history?
Harlan Township is more historic than 27% of U.S. towns, #865 of 993 in Ohio. 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.
How old are the homes in Harlan Township?
10% of Harlan Township’s homes were built before 1940 (Census estimate, ±3.5 points), against a typical 15% for an Ohio town; the median home was built in 1990.
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 (4), U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.