California

Ventura

843,843
2020 population
1880
first census record
15
census records

About Ventura

Ventura, California, first appears in the United States federal census in 1880, when it recorded a population of 5,073. At the most recent census, in 2020, its population stood at 843,843.

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

On the ground today, 2 documented military engagements have been recorded within the county, among them San Nicolas Island Warfare, San Nicolas Island Violence Site, and 44 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020843,843
2010823,318
2000753,197
1990669,016
1980529,174
1970376,430
1960199,138
1950114,647
194069,685
193054,976
192028,724
191018,347
190014,367
189010,071
18805,073
Source

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

Battles & engagements in Ventura

Military engagements that took place in Ventura, California.

San Nicolas Island Warfare
1000
San Nicolas Island Violence Site
1200

Historic places in Ventura

National Register of Historic Places listings in Ventura, California.

Rancho Camulos
Piru
Ventura County Courthouse
Ventura
Santa Paula Hardware Company Block-Union Oil Company
Santa Paula
Oxnard, Henry T., Historic District
Oxnard
Dudley House
Ventura
Women's Improvement Club of Hueneme
Port Hueneme
Glen Tavern Hotel
Santa Paula
McCrea, Joel, Ranch
Thousand Oaks
Oxnard Public Library
Oxnard
Grand Union Hotel
Newbury Park
Mission San Buenaventura and Mission Compound Site
San Buenaventura
First Baptist Church of Ventura
Ventura
Ventura Theatre
Ventura
St. Thomas Aquinas Chapel
Ojai
Feraud General Merchandise Store
Ventura
Gould, Thomas, Jr., House
Ventura
San Miguel Chapel Site
Ventura
Burro Flats Painted Cave
Santa Susana
Colony House
Simi
Bard, Elizabeth, Memorial Hospital
Ventura
Camarillo Ranch House
Camarillo
Simi Adobe-Strathearn House
Simi
San Buenaventura Mission Aqueduct
Ventura
Anacapa Island Archeological District
Port Hueneme
Browse all Californiahistoric sites ›

Other counties in California

Explore census history and historic records for more California counties.

ButteCalaverasColusaContra CostaDel NorteEl DoradoFresnoGlennHumboldtImperialInyoKernKingsKlamathLakeLassenLos AngelesMaderaMarinMariposa
Unlimited access

Everything a full report reveals about Ventura County, California

This page charts the census history of Ventura County, California. 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.
First month just $5.99, then $11.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Ventura County, California report
Or see a real report first

Explore California records

Californiahistory ›NRHP historic sites ›Notable people from California›

Frequently asked about Ventura

When does Ventura first appear in the US census?
Ventura, California first appears in the federal census in 1880, with a recorded population of 5,073.
What is the population of Ventura?
At the most recent federal census (2020), Ventura had a recorded population of 843,843.
Were any battles fought in Ventura?
2 documented military engagements took place in Ventura, including San Nicolas Island Warfare, San Nicolas Island Violence Site.
How many historic places are in Ventura?
44 sites are listed on the National Register of Historic Places in Ventura, California.
Aubrey Research

Research the history of any US location

Aubrey searches federal archives, archaeological records, historic registers, and primary sources to build a full historical report for any address or place in the United States.

Research your locationView a free sample report