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Cameron County, TX Demographics

Cameron County, TX is the 13th most populous of 254 counties in Texas, with 421,005 residents across 892 square miles. That is about 472 people per square mile.

At the 2020 census

Population 421,005
Land area 892 sq mi
Density 472 / sq mi

Data: 2020 Census · American Community Survey 2024

How Cameron 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: Cameron County, TX

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

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

Census tracts in Cameron County, TX

Name Population Sq mi Per sq mi
Census Tract 144.01 7,195 4.4 1,646
Census Tract 144.02 6,606 3.3 1,994
Census Tract 118.01 6,220 2.2 2,790
Census Tract 115 5,987 1.8 3,333
Census Tract 124.02 5,903 3.1 1,933
Census Tract 125.17 5,822 1.2 4,788
Census Tract 126.08 5,785 2.1 2,817
Census Tract 120.02 5,401 25.4 213
Census Tract 127 5,382 50.1 107
Census Tract 126.13 5,353 1.4 3,902
Census Tract 125.11 5,274 20.0 264
Census Tract 125.10 5,249 5.8 899
Census Tract 123.01 5,159 53.1 97
Census Tract 128 4,990 3.4 1,464
Census Tract 104.05 4,893 2.4 2,038
Census Tract 103.03 4,890 24.0 204
Census Tract 145.01 4,889 1.1 4,330
Census Tract 103.01 4,834 40.9 118
Census Tract 103.04 4,817 5.7 840
Census Tract 133.05 4,808 0.8 6,102
Census Tract 145.02 4,736 0.8 6,019
Census Tract 125.14 4,712 0.4 12,386
Census Tract 106.03 4,691 1.0 4,736
Census Tract 131.06 4,686 1.1 4,136
Census Tract 108.01 4,665 0.9 5,319
Census Tract 129 4,609 1.1 4,240
Census Tract 121.04 4,579 21.9 209
Census Tract 106.04 4,556 1.3 3,602
Census Tract 125.13 4,515 11.6 388
Census Tract 122.03 4,431 13.1 337
Census Tract 143 4,405 1.6 2,803
Census Tract 113.02 4,381 1.2 3,720
Census Tract 139.02 4,371 0.7 5,963
Census Tract 125.08 4,357 9.4 462
Census Tract 102.04 4,318 1.2 3,738
Census Tract 131.02 4,296 1.3 3,346
Census Tract 130.02 4,215 1.0 4,242
Census Tract 125.06 4,167 7.9 528
Census Tract 120.03 4,122 2.4 1,704
Census Tract 141.01 4,119 3.6 1,141
Census Tract 144.04 4,068 4.8 840
Census Tract 133.03 4,000 0.7 5,621
Census Tract 125.09 3,944 1.4 2,889
Census Tract 123.04 3,899 2.2 1,753
Census Tract 117.01 3,887 2.6 1,475
Census Tract 118.02 3,877 1.9 2,092
Census Tract 132.07 3,814 1.5 2,596
Census Tract 126.15 3,795 0.5 7,841
Census Tract 132.05 3,749 0.6 6,169
Census Tract 141.02 3,724 2.8 1,350
Census Tract 108.02 3,679 8.5 434
Census Tract 126.16 3,632 0.5 7,362
Census Tract 104.04 3,605 1.9 1,884
Census Tract 131.04 3,586 0.9 4,142
Census Tract 122.02 3,519 30.6 115
Census Tract 101.01 3,495 20.1 174
Census Tract 102.05 3,452 12.9 268
Census Tract 139.03 3,427 0.5 7,494
Census Tract 116.01 3,418 1.7 2,067
Census Tract 124.04 3,384 9.3 364
Census Tract 121.05 3,378 20.8 162
Census Tract 125.16 3,371 0.6 6,103
Census Tract 133.08 3,359 0.5 6,807
Census Tract 144.03 3,331 2.1 1,595
Census Tract 107 3,303 0.8 3,989
Census Tract 138.02 3,259 0.4 8,859
Census Tract 110 3,240 0.6 5,015
Census Tract 114.01 3,239 11.1 292
Census Tract 141.03 3,211 16.4 196
Census Tract 114.02 3,168 9.2 345
Census Tract 137 3,150 0.6 5,493
Census Tract 124.03 3,129 10.2 308
Census Tract 104.03 3,111 3.4 919
Census Tract 126.14 3,109 0.3 11,001
Census Tract 136 3,055 0.4 6,960
Census Tract 116.02 3,028 0.7 4,556
Census Tract 125.12 3,025 1.2 2,424
Census Tract 123.05 3,005 10.0 301
Census Tract 117.02 3,004 0.5 6,107
Census Tract 122.01 2,979 26.2 114
Census Tract 130.04 2,827 0.6 4,569
Census Tract 119.03 2,810 23.4 120
Census Tract 132.06 2,766 0.6 4,762
Census Tract 133.09 2,762 0.4 7,426
Census Tract 126.07 2,748 1.2 2,212
Census Tract 105 2,707 1.7 1,561
Census Tract 111 2,657 0.5 5,666
Census Tract 126.17 2,625 1.2 2,242
Census Tract 119.08 2,590 6.8 382
Census Tract 121.06 2,543 7.2 353
Census Tract 125.15 2,528 0.5 4,735
Census Tract 133.06 2,511 0.3 8,622
Census Tract 139.01 2,434 0.4 6,842
Census Tract 132.03 2,395 0.4 5,773
Census Tract 142.02 2,383 88.4 27
Census Tract 130.03 2,375 0.6 4,041
Census Tract 134.01 2,360 0.8 2,955
Census Tract 104.06 2,271 1.5 1,536
Census Tract 138.01 2,263 0.3 7,028
Census Tract 120.04 2,236 2.8 801

Showing the 100 most populous of 121 — the rest are shown on the map.

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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 →