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Mendocino County, CA Demographics

Mendocino County, CA is the 38th most populous of 58 counties in California, with 91,601 residents across 3,507 square miles. That is about 26 people per square mile.

At the 2020 census

Population 91,601
Land area 3,507 sq mi
Density 26 / sq mi

Data: 2020 Census · American Community Survey 2024

How Mendocino 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: Mendocino County, CA

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

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

Census tracts in Mendocino County, CA

Name Population Sq mi Per sq mi
Census Tract 107 6,386 10.1 632
Census Tract 116 6,298 1.5 4,265
Census Tract 108.01 6,018 70.3 86
Census Tract 113 6,010 101.7 59
Census Tract 109 4,983 133.5 37
Census Tract 106.02 4,528 182.8 25
Census Tract 111.02 4,436 320.8 14
Census Tract 114 4,434 4.3 1,038
Census Tract 105 4,333 1.4 3,018
Census Tract 102 4,267 739.9 6
Census Tract 117 4,236 68.1 62
Census Tract 103 4,233 184.3 23
Census Tract 115.02 3,596 1.4 2,559
Census Tract 112 3,582 250.5 14
Census Tract 115.01 3,390 0.6 5,498
Census Tract 104 3,356 2.7 1,237
Census Tract 101 3,100 777.3 4
Census Tract 106.01 3,059 103.7 29
Census Tract 110.03 2,984 27.2 110
Census Tract 110.04 2,443 70.5 35
Census Tract 118 2,053 253.2 8
Census Tract 110.01 2,027 80.8 25
Census Tract 108.02 1,849 120.1 15

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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 →