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Scott County, IA Demographics

Scott County, IA is the 3rd most populous of 99 counties in Iowa, with 174,669 residents across 458 square miles. That is about 381 people per square mile.

At the 2020 census

Population 174,669
Land area 458 sq mi
Density 381 / sq mi

Data: 2020 Census · American Community Survey 2024

How Scott 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: Scott County, IA

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

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

Census tracts in Scott County, IA

Name Population Sq mi Per sq mi
Census Tract 137.06 7,830 4.6 1,708
Census Tract 102.01 6,843 15.5 441
Census Tract 137.02 6,507 6.3 1,039
Census Tract 102.02 5,866 92.9 63
Census Tract 129.01 5,596 4.6 1,221
Census Tract 129.02 5,555 2.7 2,092
Census Tract 126.01 5,484 5.7 971
Census Tract 104.01 5,324 30.2 176
Census Tract 130 5,242 1.9 2,782
Census Tract 137.05 5,165 1.1 4,876
Census Tract 128.01 5,062 3.1 1,617
Census Tract 101.03 4,863 6.8 710
Census Tract 128.02 4,832 2.1 2,257
Census Tract 126.02 4,202 2.0 2,113
Census Tract 125.01 4,089 7.9 517
Census Tract 125.02 4,079 3.1 1,296
Census Tract 113 4,025 0.5 8,399
Census Tract 101.04 4,022 4.1 980
Census Tract 101.01 3,695 79.5 46
Census Tract 133 3,676 1.3 2,802
Census Tract 120 3,527 1.1 3,208
Census Tract 121 3,482 1.0 3,572
Census Tract 135 3,481 1.0 3,440
Census Tract 116 3,459 0.7 4,911
Census Tract 127.02 3,335 0.9 3,551
Census Tract 117 3,290 0.6 5,348
Census Tract 111 3,215 0.9 3,735
Census Tract 104.02 3,153 24.4 129
Census Tract 127.01 3,083 0.9 3,447
Census Tract 134 2,975 1.1 2,673
Census Tract 108 2,871 0.5 6,310
Census Tract 137.03 2,857 0.7 3,925
Census Tract 106 2,679 0.6 4,573
Census Tract 114 2,642 0.4 7,053
Census Tract 119 2,638 0.6 4,180
Census Tract 136 2,597 0.6 4,230
Census Tract 110 2,545 1.6 1,639
Census Tract 103 2,393 132.0 18
Census Tract 118 2,306 0.9 2,492
Census Tract 115 2,252 0.6 3,780
Census Tract 112 2,228 0.4 6,270
Census Tract 122 2,073 0.5 4,367
Census Tract 109 1,912 0.9 2,235
Census Tract 131 1,857 0.5 3,784
Census Tract 132 1,715 0.7 2,563
Census Tract 123 1,546 0.5 3,377
Census Tract 107 1,320 0.3 3,804
Census Tract 124 1,281 7.6 170

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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 →