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B−History
History · Riverside

Riverside dates to 1894, and 38% of its homes were built before 1940

More historic than 50% of U.S. towns. What drives it

Below: maps from 1964 on and the census since 2000.

1894founded
0on the National Register
38%homes built before 1940
Photo: GreenGlass1972 · Public domain
Quick answers

How Riverside began

When was Riverside founded?

1894

Riverside dates its founding to 1894 (Wikidata). The census first counted it in 2000.

First census: 678 in 20002020 census: 971132 years

How historic is Riverside?

B−

More historic than 50% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: Wikidata. First post office: 1895.
History grade

What drives Riverside’s History grade

On its age, its old homes and the National Register, Riverside is more historic than 50% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.

B−
HistoryA character grade: shown, never part of Riverside’s overall grade.
All U.S. towns we grade (21,289)Ahead of 50%
NewerOlder

Utah towns list more on the Register than most of the country (a typical Utah town has 3.0 per 10,000 residents, the U.S. 2.4), so Riverside’s 0.0 sits below most of its state (18% of Utah 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 B+. The pre-1940 share is a Census survey estimate (±24.0 points). Two sources give 1894.

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 Riverside’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Riverside’s collection

The first neighbors to add old photos shape how Riverside’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
The story so far

Riverside, in brief

Wikipedia doesn’t have a history of Riverside yet. The photos, dates and memories neighbors add here are how it gets written.

Riverside is a census-designated place (CDP) in Box Elder County, Utah, United States. The population was 971 at the 2020 census.

Riverside was established in 1894. Between the 2010 and 2020 censuses its population grew from 760 to 971 (+28%).

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Riverside, 1894 to 1964

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1894
    FoundingRiverside is established
  3. 1895Post officeThe Riverside post office opens
  4. 20th century
  5. 1964On the mapFirst mapped by the U.S. Geological Survey
By decade

Riverside, decade by decade

Today1 recent
On the map

Riverside on the map, 1964 to 1989

Every edition of the U.S. Geological Survey’s map of Riverside. Tap a year, or press play to watch the town change.

Riverside on the 1964 USGS mapRiverside on the 1989 USGS map1964Riverside 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 Riverside.

People over time

Riverside, census by census

02004006008001,00020002020Peak: 971

Between 678 and 971 people in every census since 2000.

3 censuses, 2000–2020.

U.S. Census Bureau decennial counts, from the census table on Riverside’s Wikipedia page.

Famous people

Famous people close to Riverside

Nobody well known was born in Riverside itself, so here are the best known from just nearby.

See all →
Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Riverside’s history

What year was Riverside founded?

In 1894, according to Wikidata. Riverside’s post office opened in 1895, and the census of 2000 counted 678 people here.

How does Riverside rank for history?

Riverside is more historic than 50% of U.S. towns. 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 Riverside?

38% of Riverside’s homes were built before 1940 (Census estimate, ±24.0 points), against a typical 2.8% for an Utah town; the median home was built in 1993.

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

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 (1), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) 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.