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Santa Barbara County, CA Demographics

Santa Barbara County, CA is the 20th most populous of 58 counties in California, with 448,229 residents across 2,734 square miles. That is about 164 people per square mile.

At the 2020 census

Population 448,229
Land area 2,734 sq mi
Density 164 / sq mi

Data: 2020 Census · American Community Survey 2024

How Santa Barbara 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: Santa Barbara County, CA

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

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

Census tracts in Santa Barbara County, CA

Name Population Sq mi Per sq mi
Census Tract 24.09 9,707 2.8 3,470
Census Tract 28.02 7,574 2.2 3,480
Census Tract 28.08 7,314 11.6 633
Census Tract 29.33 6,742 1.1 6,360
Census Tract 20.08 6,580 1.3 5,087
Census Tract 7 6,536 8.7 749
Census Tract 23.03 6,535 0.5 12,876
Census Tract 23.04 6,478 0.5 12,864
Census Tract 22.10 6,401 0.9 7,114
Census Tract 20.14 6,335 1.1 5,580
Census Tract 22.11 6,298 3.1 2,049
Census Tract 30.01 6,243 1.6 3,995
Census Tract 27.06 6,222 0.5 12,618
Census Tract 24.10 6,166 3.5 1,763
Census Tract 25.04 6,078 1.3 4,771
Census Tract 29.24 6,055 0.2 32,627
Census Tract 20.11 5,953 7.1 840
Census Tract 5.02 5,946 1.1 5,184
Census Tract 1.01 5,922 1.5 4,044
Census Tract 29.09 5,884 1.0 5,988
Census Tract 8.06 5,689 0.4 13,504
Census Tract 29.26 5,492 0.1 42,531
Census Tract 16.01 5,405 1.6 3,313
Census Tract 20.05 5,396 2.5 2,202
Census Tract 22.05 5,395 0.4 12,500
Census Tract 1.02 5,386 0.9 5,728
Census Tract 22.06 5,358 0.5 10,345
Census Tract 19.08 5,303 14.9 355
Census Tract 19.12 5,269 4.6 1,152
Census Tract 21.03 5,044 1.1 4,591
Census Tract 24.07 5,039 0.3 19,124
Census Tract 30.05 5,020 1.0 5,060
Census Tract 23.07 4,994 8.5 586
Census Tract 28.09 4,992 82.1 61
Census Tract 4 4,913 0.8 6,191
Census Tract 9803 4,909 0.9 5,748
Census Tract 16.04 4,833 0.9 5,105
Census Tract 30.04 4,820 0.7 6,775
Census Tract 6 4,817 1.5 3,116
Census Tract 21.01 4,754 0.5 8,896
Census Tract 27.05 4,634 0.5 9,390
Census Tract 20.10 4,583 0.9 4,875
Census Tract 17.06 4,569 47.0 97
Census Tract 11.01 4,422 0.3 13,866
Census Tract 24.05 4,373 0.3 13,895
Census Tract 11.02 4,372 0.2 20,138
Census Tract 27.10 4,365 0.3 15,390
Census Tract 12.08 4,276 0.7 6,117
Census Tract 12.06 4,238 0.5 9,367
Census Tract 20.09 4,229 1.0 4,243
Census Tract 27.03 4,222 0.8 5,281
Census Tract 20.15 4,161 0.9 4,586
Census Tract 3.02 4,136 0.4 10,491
Census Tract 29.13 4,090 0.8 4,915
Census Tract 8.01 4,021 0.4 10,912
Census Tract 29.06 3,974 1.6 2,426
Census Tract 29.36 3,953 0.2 16,713
Census Tract 19.09 3,914 7.9 498
Census Tract 29.07 3,883 17.3 224
Census Tract 13.07 3,867 1.1 3,540
Census Tract 23.09 3,849 0.3 15,182
Census Tract 30.07 3,766 4.6 815
Census Tract 23.08 3,688 0.5 6,824
Census Tract 22.09 3,635 0.4 8,571
Census Tract 29.34 3,620 1.2 2,931
Census Tract 13.08 3,607 0.9 4,148
Census Tract 24.06 3,583 0.2 18,545
Census Tract 9802 3,533 94.0 38
Census Tract 29.35 3,507 0.4 9,316
Census Tract 9 3,497 0.7 5,009
Census Tract 1.03 3,477 16.6 209
Census Tract 27.09 3,474 0.3 12,709
Census Tract 23.10 3,452 0.3 13,709
Census Tract 31.02 3,337 197.8 17
Census Tract 5.01 3,328 9.1 367
Census Tract 29.14 3,295 0.7 4,774
Census Tract 13.06 3,250 1.6 2,039
Census Tract 20.12 3,209 1.2 2,647
Census Tract 19.05 3,172 125.0 25
Census Tract 29.37 3,160 0.9 3,613
Census Tract 10.02 3,104 0.2 13,054
Census Tract 17.04 3,101 2.4 1,288
Census Tract 9804 2,929 6.4 460
Census Tract 20.13 2,887 2.8 1,035
Census Tract 3.01 2,884 0.2 14,647
Census Tract 28.06 2,878 0.8 3,517
Census Tract 12.03 2,834 0.7 4,175
Census Tract 15 2,834 12.4 229
Census Tract 19.11 2,813 157.4 18
Census Tract 20.06 2,790 168.4 17
Census Tract 19.10 2,719 1.2 2,249
Census Tract 27.08 2,665 0.6 4,740
Census Tract 10.01 2,665 0.2 10,749
Census Tract 2.01 2,651 0.4 7,094
Census Tract 27.07 2,526 0.4 5,641
Census Tract 29.32 2,449 89.3 27
Census Tract 21.02 2,435 0.5 4,663
Census Tract 2.02 2,423 0.7 3,340
Census Tract 25.03 2,317 62.6 37
Census Tract 24.08 2,222 0.2 8,982

Showing the 100 most populous of 108 — the rest are shown on the map.

Related places

Metro areas containing Santa Barbara County

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 →