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History · Lakeside

Lakeside was first counted by the census in 1910

Most of Lakeside was built recently: 0.0% of its homes predate 1940 and the median home dates from 1993. Below: maps from 1941 on and the census since 1910.

1910first census
0on the National Register
0.0%homes built before 1940
Add an old photoShare a memory
Photo: Jeffrey Beall · CC BY-SA 3.0
Quick answers

How Lakeside began

When was Lakeside founded?

1910

Lakeside first appears in the census in 1910.

First census: 103 in 19102020 census: 16116 years
Founding year: the first census.

What stands out about Lakeside’s past

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

A history waiting to be writtenNo old photos of Lakeside are in the public archives yet. The rest are in attics and albums.Shrank, then grewLost two-thirds of its people between 1910 and 2010, then more than doubled.
★ What stands out · Help out

Start Lakeside’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
People over time

Lakeside, census by census

0100192019401960198020002020103 in 1910Low: 8

Lost two-thirds of its people between 1910 and 2010, then more than doubled.

12 censuses, 1910–2020.

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

The story so far

Lakeside, in brief

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

The Town of Lakeside is a statutory town in Jefferson County, Colorado, United States. The town population was 16 at the 2020 United States census, making Lakeside the least populous municipality in Colorado. Lakeside is immediately west of the City and County of Denver, the most populous municipality in the state. The Alcott Post Office (ZIP Code 80212) serves Lakeside. The town's namesake lake is Lake Rhoda, which covers 20% of its total area. A year after its incorporation on November 12, 1907, the Lakeside Amusement Park, nicknamed "White City", opened on the eastern shores. Both town and park were founded by a syndicate led by prominent Denver brewer Adolph Zang, who endeavored to buil…

Its first post office opened in 1910. Between the 2010 and 2020 censuses its population grew from 8 to 16 (+100%).

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

By decade

Lakeside, decade by decade

Today3 recent
POLICE ON SITE, Lakeside Police Colo., sandwich board at Walmart 2025-07-062025POLICE ON SITE, Lakeside Police Colo., sandwich board…LakesideTownHall2009LakesideTownHallLakeRhoda2009LakeRhoda
On the map

Lakeside on the map, 1941 to 1994

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

Lakeside on the 1941 USGS mapLakeside on the 1950 USGS mapLakeside on the 1965 USGS mapLakeside on the 1971 USGS mapLakeside on the 1980 USGS mapLakeside on the 1994 USGS map1941Arvada sheet · 1:31,680

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Lakeside.

Famous people

Famous people close to Lakeside

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

See all →
David FincherAmerican film director · b. 1962
John L. HallAmerican physicist · b. 1934
Douglas FairbanksAmerican actor, screenwriter, director, and pro… · b. 1883
AnnaSophia RobbAmerican actress · b. 1993
John SearleAmerican philosopher · b. 1932
Paul M. RomerAmerican economist · b. 1955
Stories next door

History across the town line

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

Denver324 historic placesA−

Questions about Lakeside’s history

What year was Lakeside founded?

The Lakeside post office opened in 1910, the earliest record of the town by name (U.S. post office records).

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). How TownRatings grades history →

From Wikimedia Commons (3), 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.