California

Napa

138,019
2020 population
1850
first census record
18
census records

About Napa

Napa, California, first appears in the United States federal census in 1850, when it recorded a population of 405. At the most recent census, in 2020, its population stood at 138,019.

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

On the ground today, 3 documented military engagements have been recorded within the county, among them Bear Flag Revolt Skirmishes, Yountville Tragedy California, Doolittle Raid Launch, and 88 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020138,019
2010136,484
2000124,279
1990110,765
198099,199
197079,140
196065,890
195046,603
194028,503
193022,897
192020,678
191019,800
190016,451
189016,411
188013,235
18707,163
18605,521
1850405
Source

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

Battles & engagements in Napa

Military engagements that took place in Napa, California.

Bear Flag Revolt Skirmishes
1846
Yountville Tragedy California
1900
Doolittle Raid Launch
1942

Historic places in Napa

National Register of Historic Places listings in Napa, California.

First Street Bridge
Napa
Pope Street Bridge
St. Helena
Brannan, Sam, Cottage
Calistoga
Semorile Building
Napa
Kee, Sam, Laundry Building
Napa
Goodman, George E., Jr., House
Napa
Earl, Thomas, House
Napa
Eshcol Winery
Napa
Napa Opera House
Napa
Schramsberg Vineyard
Calistoga
Alexandria Hotel and Annex
Napa
Juarez, Cayetano, Adobe
Napa
Webber, John Lee, House
Yountville
Tubbs, Alfred L., Winery
Calistoga
Greystone Cellars
St. Helena
Chateau Chevalier
St. Helena
Nichelini Winery
St. Helena
St. Helena Catholic Church
St. Helena
Saint Helena Southern Pacific Railroad Depot
Saint Helena
Monte Vista and Diamond Mountain Vineyard
Calistoga
Elmshaven
St. Helena
Napa County Courthouse Plaza
Napa
Swartz Creek Bridge on Aetna Springs Road
Aetna Springs
Chateau Pacheteau
Calistoga
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Everything a full report reveals about Napa County, California

This page charts the census history of Napa 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 Napa

When does Napa first appear in the US census?
Napa, California first appears in the federal census in 1850, with a recorded population of 405.
What is the population of Napa?
At the most recent federal census (2020), Napa had a recorded population of 138,019.
Were any battles fought in Napa?
3 documented military engagements took place in Napa, including Bear Flag Revolt Skirmishes, Yountville Tragedy California, Doolittle Raid Launch.
How many historic places are in Napa?
88 sites are listed on the National Register of Historic Places in Napa, California.
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