Siskiyou County, California
Siskiyou County: county in state of California, United States
About
Siskiyou County is a county located in the U.S. state of California. As of the 2010 census, the population was 44,900 and a population density of 3 people per km². After 10 years in 2020 county had an estimated population of 43,245 inhabitants. Its county seat is Yreka. The county was created 174 years ago in 1851.
County Snapshot
Siskiyou County at a glance
Siskiyou County currently has 10 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
10
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
YrekaPopulation 7,503
Top linked places
Quick Facts about Siskiyou County
| Population | 43,245 (2020) |
| Country | United States of America |
| State | California (United States) |
| Area | 16440 km2 |
| Official name | Siskiyou County |
| Water as percent of area | 0.96% |
| Land as percent of area | 99.04% |
| Latitude & Longitude | 41.5927,-122.5404 |
| Named for | Siskiyou Trail |
| Altitude | 2,648 feet / 807 meters |
| Capital | Yreka |
| Establishment | January 01, 1852 |
| Time Zone | UTC−08:00, UTC−07:00 |
| Local time | 01:53:46 (19th April 2026) |
| Density | 3 Pop. per km² as of 2020 |
| Population growth | -3.83% (2010-2020) |
| Weather | 43℉ Mostly Cloudy then Slight Chance Light Rain 7-days weather |
Geography
Siskiyou County is located at 41°35'34"N 122°32'25"W (41.5926500, -122.5403700). It has 8 neighbors: Jackson County, Trinity County, Del Norte County, Humboldt County, Modoc County, Shasta County, Josephine County and Klamath County.
Siskiyou County map
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The largest city of Siskiyou County is Yreka with a population of 7,503. Other cities include, Mount Shasta population 3,233, Weed population 2,668, Dunsmuir population 1,548 and Montague population 1,366. See all Siskiyou County cities & populated places.
Siskiyou County Populated Places
Cities, towns, neighborhoods & other populated places in Siskiyou County.
| City Name | Population | Title |
|---|---|---|
| Yreka | 7,503 | County seat of Siskiyou County, California, United States |
| Mount Shasta | 3,233 | City in California, US |
| Weed | 2,668 | City in Siskiyou County, California, United States |
| Dunsmuir | 1,548 | City in Siskiyou County, California, United States |
| Montague | 1,366 | City in Siskiyou County, California, United States |
| McCloud | 1,101 | Census-designated place in Siskiyou County, California, United States |
| Tulelake | 955 | City in Siskiyou County, California, United States |
| Dorris | 896 | City in Siskiyou County, California, United States |
| Etna | 706 | City in Siskiyou County, California, United States |
| Fort Jones | 688 | City in Siskiyou County, California, United States |
Weather
A slight chance of rain after 5am. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.
7-Day ForecastOfficial website of Siskiyou County
Official Website- Yreka
Demographics
According to census records, the population of Siskiyou County decreased by 3.83% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 44,900 | - | census |
| 2011 | 44,615 | -0.64% | estimation process |
| 2012 | 44,079 | -1.22% | estimation process |
| 2013 | 43,532 | -1.26% | estimation process |
| 2014 | 43,338 | -0.45% | estimation process |
| 2015 | 43,254 | -0.19% | estimation process |
| 2016 | 43,376 | 0.28% | estimation process |
| 2017 | 43,622 | 0.56% | estimation process |
| 2018 | 43,550 | -0.17% | estimation process |
| 2019 | 43,539 | -0.03% | estimation process |
| 2020 | 43,245 | -0.68% | estimation process |
People born in Siskiyou County (2)
People born in Siskiyou County, including jazz musician John McNeil, zoologist Eric Pianka, .
More notable people
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 |