Photo: inkknife_2000 (7.5 million views +) · CC BY-SA 2.0
Quick answers
How Sioux Center began
When was Sioux Center founded?
1893
The Sioux Center post office opened in 1893, the earliest record of the town by name. Another post office, Sioux Centre (1877), opened inside today’s city and later closed.
First census: 810 in 19002020 census: 8,229133 years
How historic is Sioux Center?
C
More historic than 27% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Sioux Center post office (Blevins & Helbock, CC0).
History grade
What drives Sioux Center’s History grade
On its age, its old homes and the National Register, Sioux Center is more historic than 27% of U.S. towns, #113 of 140 in Iowa. 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 Sioux Center’s overall grade.
Iowa towns list more on the Register than most of the country (a typical Iowa town has 9.1 per 10,000 residents, the U.S. 2.4), so Sioux Center’s 0.0 sits below most of its state (17% of Iowa towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from D to C+. The pre-1940 share is a Census survey estimate (±5.1 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 Sioux Center’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 Sioux Center yet. The photos, dates and memories neighbors add here are how it gets written.
Sioux Center is a city in Sioux County, Iowa. The population was 8,229 at the time of the 2020 census. Sioux Center is notable for its Dutch heritage, agribusiness, and as the location of Dordt University.
Its first post office opened in 1893. Between the 2010 and 2020 censuses its population grew from 7,048 to 8,229 (+17%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Sioux Center, 1877 to 1964
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Sioux Center. Tap a year, or press play to watch the town change.
1964Sioux Center 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 Sioux Center.
Every building
Sioux Center, building by building, 1917
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a sheet.
1917Sheet 1 of 1
Sheets
BrickWoodStone
Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.
People over time
Sioux Center, census by census
Grew from 810 people in 1900 to 8,229 in 2020, more than tenfold.
13 censuses, 1900–2020.
U.S. Census Bureau decennial counts, from the census table on Sioux Center’s Wikipedia page.
Places that used to be
Lost post offices, old corners and burying grounds
Sioux Center’s post office has been open since 1893. Another post office, Sioux Centre, opened and closed inside today’s town.
Sioux Centre
1877–1893
Sioux Center
1893–today
18701950today
Hamlets and corners on the map
Sunrise Mobile Home ParkWestbrook Village
1cemetery inside Sioux Center
Memory Gardens
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about Sioux Center’s history
What year was Sioux Center founded?
The Sioux Center post office opened in 1893, the earliest record of the town by name (U.S. post office records).
How does Sioux Center rank for history?
Sioux Center is more historic than 27% of U.S. towns, #113 of 140 in Iowa. 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 Sioux Center?
11% of Sioux Center’s homes were built before 1940 (Census estimate, ±5.1 points), against a typical 22% for an Iowa town; the median home was built in 1979.
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 (8), 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 Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
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