The Rose Hill post office opened in 1849, the earliest record of the town by name. Another post office, Ornbaum (1875), opened inside today’s city and later closed.
First census: 199 in 18802020 census: 157177 years
Founding year: the first Rose Hill post office (Blevins & Helbock, CC0).
What stands out about Rose Hill’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 Rose Hill yet. The photos, dates and memories neighbors add here are how it gets written.
Rose Hill is a city in Mahaska County, Iowa, United States. The population was 157 at the time of the 2020 census.
Its first post office opened in 1849. Between the 2010 and 2020 censuses its population fell from 168 to 157 (-7%).
Intro from Wikipedia. Population: U.S. Census Bureau.
People over time
Rose Hill, census by census
Peaked at 275 in 1930; 157 people lived here in 2020.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Rose Hill’s Wikipedia page.
From the old history books
What they wrote about Rose Hill in 1878
Passages that mention Rose Hill, cut from the printed page as they were published.
The history of Mahaska County, Iowa, containing a history of the county, its cities, towns, &c., a biographical directory of its citizens, war record of its volunteers in the late rebellion, general and local statistics ..1878 · page 516Read the page →
Read the text
Rose Hill post-office was established in January, 1876, and is kept by H. L. Orr, the first and only postmaster at this point. The revenue of the office is about $300 per year.
Text read by machine from the scan; it may contain errors.
The history of Mahaska County, Iowa, containing a history of the county, its cities, towns, &c., a biographical directory of its citizens, war record of its volunteers in the late rebellion, general and local statistics ..1878 · page 517Read the page →
Read the text
Rose Hill is located on one of the best railroads in the West, and her shipping facilities are first class. However, the light crops for the past two years have lessened what might otherwise be an excellent exhibit.
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
Rose Hill, 1849 to 1965
Woven from the archive, old maps, post office records, the National Register and the people born here.
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). How TownRatings grades history →
From Wikimedia Commons (3), the Library of Congress (1), the National Register of Historic Places (1), 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), 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.