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Westminster, Colorado

Located in Adams/Jefferson County, Colorado, Westminster was established in 1870. Westminster built an entirely new downtown from scratch — unusual for any city. The Butterfly Pavilion was the first stand-alone invertebrate zoo in the U.S.
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Founded 1870 | Population 113,000 | Peak 113,000 (2024) | County Adams/Jefferson County

Top 10 Most Important Events for Westminster, Colorado

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1870 Farming Community: Settlement between Denver and Boulder.
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1942 Military Presence: Military installations became a major part of Westminster's identity and economy.
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1990 Butterfly Pavilion: First stand-alone invertebrate zoo in U.S. opens.
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2015 Downtown Development: City creates new downtown Westminster from scratch.
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Latest News in Westminster

May 1, 2026
New Footage Of The Renee Good Shooting Sparks Outrage After People Spot This Small Detail
The deadly shooting of a Minnesota woman during an encounter with federal immigration officers is igniting fierce debate nationwid…
Apr 18, 2026
Trump’s Psychedelic Pivot: Executive Order Accelerates Review of Mind-Altering Drugs for Mental Health Crisis
President Donald Trump signed an executive order on Saturday directing federal agencies to fast-track the review and potential app…
Apr 7, 2026
Health Experts Issue Warning Over Infected Rabbits In Colorado 
Residents of Fort Collins, Colorado, are doing double takes after spotting rabbits that look like they hopped out of a horror flic…
Feb 19, 2016
Trump Cruz Using Nazi Tactics Win Delegates
Washington, DC – Back in February 2016, the Republican presidential primaries turned ugly as rivals Donald Trump and Ted Cruz tr…
Jan 13, 2016
Florida Reforms its Death Penalty Sentencing
TALLAHASSEE, Fla. (January 13, 2016) — Florida’s governor, Rick Scott, signed a bill into law that shook up the state&#821…
Dec 11, 2015
Woman was Sentenced 119 Years Prison
DENVER, Dec. 11, 2015 — A Colorado woman was handed a staggering 119-year prison sentence on Friday for a string of financial cr…

Complete Historical Timeline

1870 Culture
Farming Community
1942 Government
Military Presence
1990 Culture
Butterfly Pavilion
2015 Business
Downtown Development

Did You Know?

1
Westminster built an entirely new downtown from scratch — unusual for any city.
2
The Butterfly Pavilion was the first stand-alone invertebrate zoo in the U.S.
3
Westminster straddles the border of Adams and Jefferson counties.
4
Westminster is located in Adams/Jefferson County, Colorado.
5
Westminster was founded in 1870.

Famous People from Westminster, Colorado

LS
Lars Sullivan
Professional Wrestler · Born Jul 6, 1988 · Age 37

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