Wyoming

Natrona

79,955

2020 population

1890

first census record

census records

About Natrona

Natrona, Wyoming, first appears in the United States federal census in 1890, when it recorded a population of 1,094. At the most recent census, in 2020, its population stood at 79,955.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, 15 documented military engagements have been recorded within the county, among them Big Bend of the North Platte Fight, Battle of Platte Bridge (1865), Platte Bridge Fight 1865, and 40 places are listed on the National Register of Historic Places.

Population by decade

Census Year	Population	Chart
2020	79,955
2010	75,450
2000	66,533
1990	61,226
1980	71,856
1970	51,264
1960	49,623
1950	31,437
1940	23,858
1930	24,272
1920	14,635
1910	4,766
1900	1,785
1890	1,094

Source

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

Battles & engagements in Natrona

Military engagements that took place in Natrona, Wyoming.

Big Bend of the North Platte Fight

1864

Battle of Platte Bridge (1865)

1865

Platte Bridge Fight 1865

1865

Battle of Platte Bridge Station

1865

Platte Bridge Fight — Caspar Collins's Charge (July 26, 1865)

1865

Battle of Platte Bridge — Caspar Collins' Charge

1865

Battle of Red Buttes

1865

Platte Bridge Station Fight

1865

Sand Creek Aftermath – Platte Bridge Station Raids

1865

Battle of Platte Bridge

1865

Fort Reno Garrison Operations 1866-67

1866

Skirmish at Fort Reno Approach

1867

Battle of Bates Creek — Powder River Expedition 1874

1874

Crook's Big Horn Expedition — March 1876 Departure

1876

Cattle Kate Watson and Jim Averell Lynched, WY

1889

Historic places in Natrona

National Register of Historic Places listings in Natrona, Wyoming.

Independence Rock

Casper

Church of Saint Anthony

Casper Federal Building

Stone Ranch Stage Station

Casper

DUX Bessemer Bend Bridge

Bessemer Bend

Natrona County High School

Split Rock, Twin Peaks

Ohio Oil Company Building

Casper

Consolidated Royalty Building

Midwest Oil Company Hotel

Casper

South Wolcott Street Historic District

Casper

Casper Motor Company-Natrona Motor Company

Casper

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Other counties in Wyoming

Explore census history and historic records for more Wyoming counties.

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Everything a full report reveals about Natrona County, Wyoming

This page charts the census history of Natrona County, Wyoming. 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 Natrona

When does Natrona first appear in the US census?

Natrona, Wyoming first appears in the federal census in 1890, with a recorded population of 1,094.

What is the population of Natrona?

At the most recent federal census (2020), Natrona had a recorded population of 79,955.

Were any battles fought in Natrona?

15 documented military engagements took place in Natrona, including Big Bend of the North Platte Fight, Battle of Platte Bridge (1865), Platte Bridge Fight 1865.

How many historic places are in Natrona?

40 sites are listed on the National Register of Historic Places in Natrona, Wyoming.

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