The story
Read it all →How Rivergrove came to be
From Wikipedia’s history of Rivergrove.
Rivergrove came into existence January 27, 1971, after a vote of 57 to 48 in favor of incorporation.
Text from Wikipedia, licensed CC BY-SA 4.0.
–Not graded
History · Rivergrove
Rivergrove dates to 1971
Most of Rivergrove was built recently: 7% of its homes predate 1940 and the median home dates from 1976. Below: maps from 1914 on and the census since 1980.
1971founded
0on the National Register
7%homes built before 1940
Quick answers
How Rivergrove began
When was Rivergrove founded?
1971
Rivergrove dates its founding to 1971 (Wikidata). The census first counted it in 1980.
First census: 314 in 19802020 census: 54555 years
Founding year: Wikidata.The full story ↓
What stands out about Rivergrove’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 Rivergrove’s collection
The first neighbors to add old photos shape how Rivergrove’s history is told.
Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.On the map
Rivergrove on the map, 1914 to 1984
Every edition of the U.S. Geological Survey’s map of Rivergrove. Tap a year, or press play to watch the town change.
1914Oregon City sheet · 1:62,500U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Rivergrove.
By decade
Rivergrove, decade by decade
2009
2009
2004People over time
Rivergrove, census by census
Between 294 and 545 people in every census since 1980.
5 censuses, 1980–2020.
U.S. Census Bureau decennial counts, from the census table on Rivergrove’s Wikipedia page.
Famous people
See all →Famous people close to Rivergrove
Nobody well known was born in Rivergrove itself, so here are the best known from just nearby.
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
Questions about Rivergrove’s history
What year was Rivergrove founded?
In 1971, according to Wikidata. the census of 1980 counted 314 people here.
Memory lane
What the archives can’t tell you, neighbors can.
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). How TownRatings grades history →
From Wikimedia Commons (3), Wikipedia, U.S. Geological Survey historical maps and U.S. Census counts (via Wikipedia). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.