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Pima County, AZ Demographics

Pima County, AZ is the 2nd most populous of 15 counties in Arizona, with 1,043,433 residents across 9,189 square miles. That is about 114 people per square mile.

At the 2020 census

Population 1,043,433
Land area 9,189 sq mi
Density 114 / sq mi

Data: 2020 Census · American Community Survey 2024

How Pima 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: Pima County, AZ

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

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

Census tracts in Pima County, AZ

Name Population Sq mi Per sq mi
Census Tract 40.62 8,543 15.7 544
Census Tract 43.35 8,429 1.5 5,717
Census Tract 40.63 7,483 7.3 1,020
Census Tract 41.26 7,335 5.9 1,252
Census Tract 46.36 7,100 2.9 2,415
Census Tract 37.02 6,997 1.1 6,278
Census Tract 46.40 6,933 8.6 808
Census Tract 25.05 6,876 1.0 7,136
Census Tract 41.31 6,779 9.9 682
Census Tract 46.48 6,691 46.7 143
Census Tract 41.15 6,672 1.2 5,434
Census Tract 46.10 6,655 1.6 4,099
Census Tract 20 6,640 1.9 3,547
Census Tract 43.40 6,585 12.3 536
Census Tract 44.31 6,579 15.6 421
Census Tract 43.22 6,341 2.1 3,035
Census Tract 46.23 6,316 2.3 2,803
Census Tract 44.25 6,305 374.7 17
Census Tract 43.39 6,219 3.6 1,710
Census Tract 21 6,205 2.3 2,648
Census Tract 41.17 6,164 1.8 3,349
Census Tract 40.73 6,077 9.0 673
Census Tract 46.24 6,024 1.2 4,891
Census Tract 44.07 5,925 1.4 4,117
Census Tract 41.09 5,908 300.8 20
Census Tract 5.02 5,876 0.7 8,583
Census Tract 29.01 5,829 1.0 5,849
Census Tract 44.19 5,798 37.4 155
Census Tract 46.50 5,778 3.9 1,492
Census Tract 44.22 5,711 18.3 312
Census Tract 43.12 5,659 2.0 2,777
Census Tract 40.26 5,600 6.1 917
Census Tract 46.45 5,591 1.1 5,069
Census Tract 47.14 5,573 4.1 1,372
Census Tract 18.01 5,540 0.9 5,905
Census Tract 34 5,537 1.3 4,287
Census Tract 25.04 5,518 0.8 6,805
Census Tract 41.27 5,516 182.8 30
Census Tract 37.06 5,426 0.5 10,250
Census Tract 40.81 5,402 12.0 450
Census Tract 24 5,397 1.2 4,466
Census Tract 37.05 5,315 1.0 5,284
Census Tract 15 5,292 0.9 5,575
Census Tract 41.18 5,274 5.9 891
Census Tract 43.27 5,257 42.3 124
Census Tract 13.04 5,244 0.6 8,361
Census Tract 46.39 5,243 14.3 367
Census Tract 40.61 5,242 337.2 16
Census Tract 26.02 5,199 0.8 6,425
Census Tract 46.35 5,188 2.7 1,950
Census Tract 40.76 5,177 0.8 6,352
Census Tract 14 5,146 0.8 6,468
Census Tract 5.01 5,138 0.2 20,660
Census Tract 40.51 5,103 12.7 401
Census Tract 45.06 5,076 1.3 3,771
Census Tract 27.02 4,992 1.3 3,963
Census Tract 7 4,981 1.2 4,007
Census Tract 40.42 4,966 1.0 4,955
Census Tract 46.42 4,918 6.2 793
Census Tract 25.08 4,896 0.7 7,437
Census Tract 40.71 4,885 0.5 9,489
Census Tract 44.36 4,883 3.0 1,648
Census Tract 40.68 4,869 1.6 3,125
Census Tract 9802 4,855 1.1 4,265
Census Tract 38.02 4,839 1.1 4,326
Census Tract 41.14 4,834 46.4 104
Census Tract 47.23 4,808 1.5 3,301
Census Tract 40.08 4,799 1.0 4,978
Census Tract 47.11 4,789 4.0 1,198
Census Tract 40.57 4,768 1.3 3,609
Census Tract 44.40 4,758 2.2 2,130
Census Tract 46.46 4,688 1.8 2,603
Census Tract 30.02 4,686 1.0 4,547
Census Tract 47.15 4,647 4.6 1,006
Census Tract 41.32 4,643 4.0 1,151
Census Tract 23 4,613 1.0 4,492
Census Tract 45.11 4,607 0.6 7,395
Census Tract 40.48 4,577 1.0 4,549
Census Tract 40.46 4,574 0.8 5,657
Census Tract 43.21 4,569 0.9 5,170
Census Tract 36.01 4,566 2.5 1,824
Census Tract 29.05 4,554 0.8 6,049
Census Tract 43.13 4,529 60.2 75
Census Tract 30.03 4,523 0.8 5,704
Census Tract 6 4,522 1.1 4,147
Census Tract 46.16 4,496 1.7 2,669
Census Tract 35.05 4,475 0.8 5,324
Census Tract 40.58 4,393 2.6 1,676
Census Tract 37.04 4,375 0.6 7,711
Census Tract 40.29 4,355 1.0 4,384
Census Tract 35.03 4,342 0.6 6,792
Census Tract 45.08 4,331 1.2 3,648
Census Tract 35.02 4,327 1.0 4,497
Census Tract 47.10 4,323 1.7 2,599
Census Tract 25.09 4,276 2.4 1,764
Census Tract 40.82 4,270 1.8 2,380
Census Tract 43.11 4,216 4.2 996
Census Tract 43.36 4,208 1.8 2,289
Census Tract 45.12 4,198 1.4 3,025
Census Tract 45.10 4,195 0.7 5,896

Showing the 100 most populous of 270 — 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 →