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Santa Cruz County, CA Demographics

Santa Cruz County, CA is the 25th most populous of 58 counties in California, with 270,853 residents across 445 square miles. That is about 609 people per square mile.

At the 2020 census

Population 270,853
Land area 445 sq mi
Density 609 / sq mi

Data: 2020 Census · American Community Survey 2024

How Santa Cruz 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 Cruz 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 Cruz County, CA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Santa Cruz County, CA

Name Population Sq mi Per sq mi
Census Tract 1004 8,452 1.6 5,204
Census Tract 1212 6,914 12.6 549
Census Tract 1002 6,825 0.9 7,360
Census Tract 1225 6,717 4.7 1,430
Census Tract 1208 6,157 3.4 1,816
Census Tract 1205 6,007 56.4 107
Census Tract 1011 5,501 0.7 7,436
Census Tract 1005 5,490 2.2 2,485
Census Tract 1204 5,411 10.4 521
Census Tract 1106.01 5,322 0.7 7,966
Census Tract 1209.02 5,231 2.5 2,092
Census Tract 1220.01 5,135 12.1 424
Census Tract 1203.01 5,019 18.0 279
Census Tract 1102.02 4,899 0.9 5,396
Census Tract 1104.02 4,774 0.8 6,051
Census Tract 1010.02 4,771 0.5 10,169
Census Tract 1206 4,735 13.3 356
Census Tract 1202 4,680 112.5 42
Census Tract 1101.02 4,629 0.4 10,991
Census Tract 1105.05 4,580 0.4 11,375
Census Tract 1207 4,567 8.1 565
Census Tract 1103.01 4,327 0.3 15,094
Census Tract 1224.02 4,280 14.0 306
Census Tract 1009 4,274 0.8 5,608
Census Tract 1213 4,210 1.5 2,782
Census Tract 1214.02 4,109 0.5 7,945
Census Tract 1217.01 4,059 0.5 8,663
Census Tract 1010.01 4,030 0.4 10,762
Census Tract 1003 4,020 2.2 1,793
Census Tract 1223 3,965 16.2 245
Census Tract 1008.01 3,956 0.4 9,048
Census Tract 1220.05 3,889 0.9 4,519
Census Tract 1105.03 3,862 0.4 10,431
Census Tract 1222.03 3,688 1.0 3,875
Census Tract 1104.01 3,681 1.5 2,419
Census Tract 1210 3,579 28.7 125
Census Tract 1220.02 3,548 20.0 178
Census Tract 1217.02 3,462 0.6 6,294
Census Tract 1012 3,461 1.7 2,080
Census Tract 1216.01 3,455 0.5 7,638
Census Tract 1209.01 3,450 7.1 486
Census Tract 1006 3,358 0.4 8,284
Census Tract 1214.03 3,355 0.5 7,309
Census Tract 1221 3,315 0.9 3,797
Census Tract 1107 3,307 1.7 1,981
Census Tract 1222.05 3,205 1.0 3,101
Census Tract 1105.06 3,189 0.3 10,348
Census Tract 1203.02 3,152 2.7 1,171
Census Tract 1211 3,041 7.4 411
Census Tract 1222.04 3,025 2.3 1,313
Census Tract 1008.02 3,010 0.3 10,326
Census Tract 1224.01 2,956 27.0 109
Census Tract 1220.04 2,941 1.3 2,296
Census Tract 1103.02 2,879 0.2 16,856
Census Tract 1215.01 2,859 0.5 5,974
Census Tract 1106.02 2,828 0.3 10,445
Census Tract 1102.01 2,796 0.2 11,878
Census Tract 1101.01 2,788 0.5 5,318
Census Tract 1216.02 2,777 0.3 8,146
Census Tract 1214.01 2,691 0.5 5,934
Census Tract 1218.02 2,660 0.4 6,971
Census Tract 1231 2,640 3.0 892
Census Tract 1105.04 2,511 0.2 12,641
Census Tract 1001 2,294 1.3 1,812
Census Tract 1007 2,275 0.3 6,682
Census Tract 1222.02 2,235 1.0 2,203
Census Tract 1215.02 2,085 0.2 9,815
Census Tract 1218.01 2,007 0.3 6,599
Census Tract 1233 1,561 28.2 55

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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 →