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Carroll County, MD Demographics

Carroll County, MD is the 9th most populous of 24 counties in Maryland, with 172,891 residents across 448 square miles. That is about 386 people per square mile.

At the 2020 census

Population 172,891
Land area 448 sq mi
Density 386 / sq mi

Data: 2020 Census · American Community Survey 2024

How Carroll 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: Carroll County, MD

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

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

Census tracts in Carroll County, MD

Name Population Sq mi Per sq mi
Census Tract 5081.03 7,778 9.0 862
Census Tract 5082 6,928 22.0 315
Census Tract 5042.01 6,504 14.2 457
Census Tract 5042.02 6,180 17.2 359
Census Tract 5077.04 6,176 2.3 2,712
Census Tract 5078.01 5,929 2.4 2,447
Census Tract 5051.02 5,840 8.0 726
Census Tract 5130.02 5,731 12.0 479
Census Tract 5030 5,460 39.5 138
Census Tract 5062 5,454 23.8 230
Census Tract 5075 5,379 9.9 545
Census Tract 5142.01 5,371 18.0 298
Census Tract 5010.02 5,279 30.9 171
Census Tract 5076.01 5,148 9.4 546
Census Tract 5052.08 5,138 2.1 2,394
Census Tract 5041 5,112 14.4 356
Census Tract 5130.01 5,051 4.2 1,200
Census Tract 5078.02 4,754 8.3 573
Census Tract 5061.01 4,732 17.8 266
Census Tract 5090.01 4,710 16.9 278
Census Tract 5010.01 4,579 8.0 572
Census Tract 5061.02 4,445 10.7 415
Census Tract 5076.02 4,286 5.7 750
Census Tract 5051.01 4,255 3.5 1,222
Census Tract 5020 4,137 32.5 127
Census Tract 5052.03 3,983 2.7 1,463
Census Tract 5077.02 3,944 5.3 740
Census Tract 5052.07 3,927 1.6 2,479
Census Tract 5141 3,849 12.2 314
Census Tract 5110 3,693 24.3 152
Census Tract 5052.05 3,649 1.0 3,615
Census Tract 5142.02 3,514 7.8 453
Census Tract 5052.06 3,488 8.1 430
Census Tract 5077.03 2,838 2.9 979
Census Tract 5090.02 2,798 9.9 284
Census Tract 5120 1,526 7.2 212
Census Tract 5100 1,326 21.8 61

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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 →