Half of Rapid Valley’s homes were built after 1988
More historic than 10% of U.S. towns · #32 of 35 in South Dakota. What drives it
Most of Rapid Valley was built recently: 3% of its homes predate 1940 and the median home dates from 1988. Below: maps from 1953 on and the census since 1980.
On its age, its old homes and the National Register, Rapid Valley is more historic than 10% of U.S. towns, #32 of 35 in South Dakota. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
D
HistoryA character grade: shown, never part of Rapid Valley’s overall grade.
South Dakota towns list more on the Register than most of the country (a typical South Dakota town has 37.3 per 10,000 residents, the U.S. 2.4), so Rapid Valley’s 0.0 sits below most of its state (15% of South Dakota towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±1.9 points) is firm at this size.
Founding year: our sources. 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 Rapid Valley’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 Rapid Valley yet. The photos, dates and memories neighbors add here are how it gets written.
Rapid Valley is a census-designated place (CDP) and unincorporated community in Pennington County, South Dakota, United States, and a suburb of Rapid City. The population was 8,098 at the 2020 census. Rapid Valley has been a retreat for people living in Rapid City due to its low crime, cheap land, and views of the Black Hills. Rapid Valley is home to many industrial and financial businesses, and is the headquarters for many corporations specializing in transport and engineering.
Its population held steady between the last two censuses: 8,260 in 2010, 8,098 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
Rapid Valley is more historic than 10% of U.S. towns, #32 of 35 in South Dakota. 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 Rapid Valley?
3% of Rapid Valley’s homes were built before 1940 (Census estimate, ±1.9 points), against a typical 10% for a South Dakota town; the median home was built in 1988.
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 U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) 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.
