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Siskiyou County, CA Demographics

Siskiyou County, CA is the 45th most populous of 58 counties in California, with 44,076 residents across 6,279 square miles. That is about 7 people per square mile.

At the 2020 census

Population 44,076
Land area 6,279 sq mi
Density 7 / sq mi

Data: 2020 Census · American Community Survey 2024

How Siskiyou County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Siskiyou County, CA

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Siskiyou County, CA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Siskiyou County, CA

Name Population Sq mi Per sq mi
Census Tract 7.02 4,525 13.8 327
Census Tract 9.01 4,135 119.2 35
Census Tract 3 3,966 549.4 7
Census Tract 10.03 3,914 98.6 40
Census Tract 7.01 3,884 276.1 14
Census Tract 8 3,370 1,237.1 3
Census Tract 9.02 3,339 117.7 28
Census Tract 7.03 3,291 1.9 1,693
Census Tract 13 2,529 1,438.1 2
Census Tract 11 2,183 90.3 24
Census Tract 6 1,759 212.0 8
Census Tract 10.02 1,698 5.8 292
Census Tract 2 1,671 502.0 3
Census Tract 10.01 1,299 52.6 25
Census Tract 12 1,279 1,232.1 1
Census Tract 1 1,234 332.2 4

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About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →