Napa County, California
Napa County: county in California, United States
About
Napa County is a county located in the U.S. state of California. As of the 2010 census, the population was 136,484 and a population density of 67 people per km². After 10 years in 2020 county had an estimated population of 135,965 inhabitants. Its county seat is Napa. The county was created 176 years ago in 1849.
County Snapshot
Napa County at a glance
Napa County currently has 6 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
6
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
California counties
58
Open related pagesLargest city
NapaPopulation 77,032
Top linked places
Quick Facts about Napa County
| Population | 135,965 (2020) |
| Country | United States of America |
| State | California (United States) |
| Twitter username | countyofnapa |
| Area | 2042 km2 |
| Water as percent of area | 4.31% |
| Land as percent of area | 95.69% |
| Latitude & Longitude | 38.5065,-122.3305 |
| Named for | Napa |
| Altitude | 1,155 feet / 352 meters |
| Capital | Napa |
| Establishment | January 01, 1850 |
| Time Zone | UTC−08:00, UTC−07:00 |
| Local time | 18:32:42 (18th April 2026) |
| Density | 67 Pop. per km² as of 2020 |
| Population growth | -0.38% (2010-2020) |
Geography
Napa County is located at 38°30'23"N 122°19'50"W (38.5064700, -122.3305300). It has 4 neighbors: Lake County, Solano County, Sonoma County and Yolo County.
Napa County map
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The largest city of Napa County is Napa with a population of 77,032. Other cities include, American Canyon population 19,957, Saint Helena population 5,960, Calistoga population 5,286 and Yountville population 2,970. See all Napa County cities & populated places.
Napa County Populated Places
Cities, towns, neighborhoods & other populated places in Napa County.
| City Name | Population | Title |
|---|---|---|
| Napa | 77,032 | The fifth most populous city in Napa County, California. |
| American Canyon | 19,957 | City in Napa Valley, California |
| Saint Helena | 5,960 | City in California |
| Calistoga | 5,286 | City in Napa County, California, United States |
| Angwin | 3,051 | Census-designated place in Napa County, California |
| Yountville | 2,970 | City in California |
- Napa
Demographics
According to census records, the population of Napa County decreased by 0.38% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 136,484 | - | census |
| 2011 | 137,691 | 0.88% | estimation process |
| 2012 | 138,538 | 0.61% | estimation process |
| 2013 | 139,580 | 0.75% | estimation process |
| 2014 | 140,405 | 0.59% | estimation process |
| 2015 | 140,862 | 0.32% | estimation process |
| 2016 | 140,840 | -0.02% | estimation process |
| 2017 | 139,878 | -0.69% | estimation process |
| 2018 | 138,789 | -0.78% | estimation process |
| 2019 | 137,744 | -0.76% | estimation process |
| 2020 | 135,965 | -1.31% | estimation process |
People born in Napa County (5)
People born in Napa County, including actress Lillian Hayward, Major League Baseball player Jim McElroy, Australian anthropologist Stephen Juan, .
More notable people
- Ada Riggs (American had county named for her) she was born in 03/04/1856
- Ian Takahashi he was born in 20/02/1983
California Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Los Angeles County | 9,943,046 | County in California, United States of America |
| Los Angeles | 3,970,219 | The second most populous city in the United States and the center of the Los Angeles metropolitan area. |
| San Diego County | 3,332,427 | Founded in 1850, is one of 58 counties in the US state of California. |
| Orange County | 3,166,857 | County in California, United States |
| Riverside County | 2,489,188 | County in California, United States |
| San Bernardino County | 2,189,183 | County in California, United States |
| Santa Clara County | 1,907,105 | County in California, United States |
| Alameda County | 1,662,323 | County in California, United States |
| Sacramento County | 1,559,146 | County in California, United States |
| San Diego | 1,422,420 | The eighth most populous city in the United States and the center of the San Diego metropolitan area. |
| Laguna | 1,370,232 | A city located in Orange County, California. |
| Contra Costa County | 1,152,333 | County in California, United States |
| San Jose | 1,013,616 | The tenth most populous city in the United States and the center of the San Jose metropolitan area. |
| Fresno County | 1,000,918 | County in California, United States |
| Kern County | 901,362 | This county is located in the southern San Joaquin Valley, extending eastward over the Tehachapi Mountains to the Mojave Desert. |
| San Francisco County | 866,606 | County, coextensive with the city of San Francisco, California, United States |