1 of Hidden Springs’ places is on the National Register
More historic than 31% of U.S. towns · #38 of 59 in Idaho. What drives it
Its Register listing is the Schick-Ostolasa Farmstead. Most of Hidden Springs was built recently: 0.0% of its homes predate 1940 and the median home dates from 2008. Below: maps from 1953 on.
On its age, its old homes and the National Register, Hidden Springs is more historic than 31% of U.S. towns, #38 of 59 in Idaho. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
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HistoryA character grade: shown, never part of Hidden Springs’ overall grade.
Idaho towns list more on the Register than most of the country (a typical Idaho town has 8.4 per 10,000 residents, the U.S. 2.4), so Hidden Springs’ 20.7 sits above most of its state (72% of Idaho towns have fewer) while its 7 historic buildings outnumber those of 73% 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 (±1.0 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 Hidden Springs’ 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 Hidden Springs yet. The photos, dates and memories neighbors add here are how it gets written.
Hidden Springs is a master-planned community in the Dry Creek Valley in Ada County, Idaho, United States, established in 1987. For statistical purposes, the United States Census Bureau has defined the community as a census-designated place (CDP). Its population was 3,076 as of the 2020 census.
Between the 2010 and 2020 censuses its population grew from 2,280 to 3,076 (+35%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Every edition of the U.S. Geological Survey’s map of Hidden Springs. Tap a year, or press play to watch the town change.
1953Eagle sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Hidden Springs.
On the National Register
1 historic place in Hidden Springs
The country’s official list of buildings and places worth saving.
Hidden Springs is more historic than 31% of U.S. towns, #38 of 59 in Idaho. 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 Hidden Springs?
One place: the Schick-Ostolasa Farmstead (listed 2006).
How old are the homes in Hidden Springs?
0.0% of Hidden Springs’ homes were built before 1940 (Census estimate, ±1.0 points), against a typical 8.5% for an Idaho town; the median home was built in 2008.
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 (3), the National Register of Historic Places (1) and U.S. Geological Survey historical maps. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
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