Colorado

Las Animas

14,555
2020 population
1870
first census record
16
census records

About Las Animas

Las Animas, Colorado, first appears in the United States federal census in 1870, when it recorded a population of 4,276. At the most recent census, in 2020, its population stood at 14,555.

Its recorded population peaked at 38,975 in 1920, and has since declined by roughly 63 percent.

On the ground today, 6 documented military engagements have been recorded within the county, among them Battle of Fisher's Peak — Kit Carson Campaign (April 1854), Battle of Tongue River Canyon — Colorado (1868), Colorado Fuel and Iron Strike — Starkville Evictions 1913, and 37 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202014,555
201015,507
200015,207
199013,765
198014,897
197015,744
196019,983
195025,902
194032,369
193036,008
192038,975
191033,643
190021,842
189017,208
18808,903
18704,276
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Las Animas

Military engagements that took place in Las Animas, Colorado.

Battle of Fisher's Peak — Kit Carson Campaign (April 1854)
1854
Battle of Tongue River Canyon — Colorado (1868)
1868
Colorado Fuel and Iron Strike — Starkville Evictions 1913
1913
Ludlow Massacre
1914
Ludlow Massacre (Colorado 1914)
1914
Camp Trinidad (German POW Camp)
1943

Historic places in Las Animas

National Register of Historic Places listings in Las Animas, Colorado.

Baca House and Outbuilding
Trinidad
Jaffa Opera House
Trinidad
Our Lady of Guadalupe Church and Medina Cemetery
Medina Plaza
Zion's German Lutheran Church
Trinidad
Ludlow Tent Colony Site
Ludlow
Trinchera Cave Archeological District
Trinchera
Corazon de Trinidad
Trinidad
First Methodist Episcopal Church
Trinidad
7-D School
Branson
Latuda, Frank, House
Trinidad
Earl School
Earl
Bridge over Burro Canon
Madrid
Cokedale Historic District
Cokedale
First Christian Church
Trinidad
Temple Aaron
Trinidad
Bloom, Frank G., House
Trinidad
Browse all Coloradohistoric sites ›

Other counties in Colorado

Explore census history and historic records for more Colorado counties.

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Everything a full report reveals about Las Animas County, Colorado

This page charts the census history of Las Animas County, Colorado. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Las Animas

When does Las Animas first appear in the US census?
Las Animas, Colorado first appears in the federal census in 1870, with a recorded population of 4,276.
What is the population of Las Animas?
At the most recent federal census (2020), Las Animas had a recorded population of 14,555.
When did Las Animas's population peak?
Las Animas's recorded population peaked at 38,975 in 1920.
Were any battles fought in Las Animas?
6 documented military engagements took place in Las Animas, including Battle of Fisher's Peak — Kit Carson Campaign (April 1854), Battle of Tongue River Canyon — Colorado (1868), Colorado Fuel and Iron Strike — Starkville Evictions 1913.
How many historic places are in Las Animas?
37 sites are listed on the National Register of Historic Places in Las Animas, Colorado.
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