California

Mariposa

17,131
2020 population
1850
first census record
18
census records

About Mariposa

Mariposa, California, first appears in the United States federal census in 1850, when it recorded a population of 4,379. At the most recent census, in 2020, its population stood at 17,131.

Its recorded population peaked at 18,251 in 2010, and has since declined by roughly 6 percent.

On the ground today, 5 documented military engagements have been recorded within the county, among them Mariposa War 1850-1851, Ahwahnee Valley Pursuit, Mariposa War — Battle of Cascade Creek, and 46 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202017,131
201018,251
200017,130
199014,302
198011,108
19706,015
19605,064
19505,145
19405,605
19303,233
19202,775
19103,956
19004,720
18903,787
18804,339
18704,572
18606,243
18504,379
Source

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

Battles & engagements in Mariposa

Military engagements that took place in Mariposa, California.

Mariposa War 1850-1851
1850
Ahwahnee Valley Pursuit
1851
Mariposa War — Battle of Cascade Creek
1851
Battle of Lizard Rock
1851
Battle of Mariposa
1851

Historic places in Mariposa

National Register of Historic Places listings in Mariposa, California.

Rangers' Club
Yosemite National Park
McCauley and Meyer Barns
El Portal
Wawona Covered Bridge
Wawona
St. Joseph Catholic Church, Rectory and Cemetery
Mariposa
Track Bus No. 19
El Portal
LeConte Memorial Lodge
Curry Village
Hodgdon Homestead Cabin
Wawona
Glacier Point Trailside Museum
El Portal
Ahwahnee Hotel
Yosemite National Park
Hetch Hetchy Railroad Engine No.6
El Portal
Acting Superintendent's Headquarters
Wawona
Yosemite Valley Bridges
Yosemite Village
Camp 4
Yosemite
Mariposa Grove Museum
Wawona
McGurk Cabin
Yosemite Village
Jorgenson, Chris, Studio
Yosemite National Park
Crane Flat Fire Lookout
Aspen Valley
Yosemite Valley Chapel
Yosemite National Park
Mariposa County Courthouse
Mariposa
Yosemite Village Historic District
El Portal
Yosemite Transportation Company Office
Wawona
Hornitos Masonic Hall No. 98
Hornitos
Merced Grove Ranger Station
El Portal
Bagby Stationhouse, Water Tanks and Turntable
El Portal
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Other counties in California

Explore census history and historic records for more California counties.

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Everything a full report reveals about Mariposa County, California

This page charts the census history of Mariposa 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.
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Frequently asked about Mariposa

When does Mariposa first appear in the US census?
Mariposa, California first appears in the federal census in 1850, with a recorded population of 4,379.
What is the population of Mariposa?
At the most recent federal census (2020), Mariposa had a recorded population of 17,131.
When did Mariposa's population peak?
Mariposa's recorded population peaked at 18,251 in 2010.
Were any battles fought in Mariposa?
5 documented military engagements took place in Mariposa, including Mariposa War 1850-1851, Ahwahnee Valley Pursuit, Mariposa War — Battle of Cascade Creek.
How many historic places are in Mariposa?
46 sites are listed on the National Register of Historic Places in Mariposa, California.
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