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Baltimore County, MD Demographics

Baltimore County, MD is the 3rd most populous of 24 counties in Maryland, with 854,507 residents across 598 square miles. That is about 1,428 people per square mile.

At the 2020 census

Population 854,507
Land area 598 sq mi
Density 1,428 / sq mi

Data: 2020 Census · American Community Survey 2024

How Baltimore 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: Baltimore County, MD

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

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

Census tracts in Baltimore County, MD

Name Population Sq mi Per sq mi
Census Tract 4113.09 9,486 3.5 2,715
Census Tract 4042.02 8,641 2.6 3,266
Census Tract 4041.01 7,434 4.9 1,510
Census Tract 4407.01 7,268 1.5 4,818
Census Tract 4517.01 7,200 6.2 1,153
Census Tract 4023.03 6,849 1.1 6,197
Census Tract 4045.01 6,815 1.2 5,692
Census Tract 4011.01 6,773 1.1 5,988
Census Tract 4015.03 6,732 2.5 2,699
Census Tract 4924.02 6,685 1.2 5,457
Census Tract 4204.01 6,679 0.4 18,173
Census Tract 4906.05 6,524 0.8 7,727
Census Tract 4085.07 6,416 0.7 9,386
Census Tract 4113.03 6,415 1.2 5,236
Census Tract 4023.07 6,364 0.9 7,393
Census Tract 4087.03 6,350 1.5 4,200
Census Tract 4044.02 6,333 4.2 1,509
Census Tract 4081 6,314 10.0 630
Census Tract 4015.04 6,272 2.2 2,860
Census Tract 4101 6,095 36.2 169
Census Tract 4015.07 6,058 1.0 5,778
Census Tract 4026.03 6,049 2.3 2,587
Census Tract 4303 5,998 0.8 7,280
Census Tract 4026.04 5,988 1.4 4,272
Census Tract 4004 5,987 3.5 1,729
Census Tract 4036.02 5,969 1.1 5,612
Census Tract 4035 5,949 1.2 4,927
Census Tract 4505.03 5,949 0.4 16,614
Census Tract 4113.06 5,906 1.0 5,748
Census Tract 4042.01 5,887 0.9 6,345
Census Tract 4087.04 5,851 2.1 2,762
Census Tract 4085.02 5,765 5.0 1,146
Census Tract 4060 5,762 36.0 160
Census Tract 4309 5,702 0.6 10,155
Census Tract 4514.02 5,686 1.1 5,262
Census Tract 4025.10 5,586 0.8 7,010
Census Tract 4041.02 5,579 1.8 3,066
Census Tract 4070.02 5,532 37.5 147
Census Tract 4037.02 5,476 2.4 2,241
Census Tract 4505.04 5,452 0.4 12,153
Census Tract 4404 5,440 1.0 5,266
Census Tract 4518.01 5,394 4.1 1,327
Census Tract 4114.09 5,343 1.1 5,037
Census Tract 4023.02 5,305 1.1 4,735
Census Tract 4034.02 5,250 1.4 3,792
Census Tract 4024.04 5,239 0.7 8,007
Census Tract 4015.06 5,230 1.4 3,839
Census Tract 4044.03 5,202 0.9 5,853
Census Tract 4407.02 5,178 1.1 4,732
Census Tract 4102 5,175 13.0 398
Census Tract 4914.01 5,135 0.5 11,041
Census Tract 4307 5,116 0.9 6,004
Census Tract 4025.03 5,104 1.9 2,723
Census Tract 4085.06 4,981 0.7 6,849
Census Tract 4036.01 4,951 1.1 4,664
Census Tract 4301.01 4,898 0.6 8,657
Census Tract 4922 4,872 1.1 4,351
Census Tract 4411.02 4,860 1.0 4,856
Census Tract 4044.04 4,854 1.6 2,987
Census Tract 4025.11 4,851 0.6 7,720
Census Tract 4206 4,835 0.6 8,038
Census Tract 4083.04 4,732 6.4 736
Census Tract 4909 4,695 0.6 8,021
Census Tract 4049 4,681 9.6 487
Census Tract 4113.02 4,675 7.1 661
Census Tract 4518.03 4,653 1.4 3,290
Census Tract 4001 4,638 0.7 6,408
Census Tract 4050 4,587 46.7 98
Census Tract 4037.04 4,578 3.6 1,271
Census Tract 4114.10 4,548 0.8 5,450
Census Tract 4401 4,458 0.8 5,591
Census Tract 4025.04 4,458 3.1 1,450
Census Tract 4304 4,398 2.8 1,582
Census Tract 4925 4,383 1.0 4,302
Census Tract 4514.01 4,357 0.3 16,176
Census Tract 4114.06 4,340 2.3 1,900
Census Tract 4509 4,335 2.0 2,154
Census Tract 4915 4,293 0.4 9,852
Census Tract 4917.01 4,281 1.2 3,711
Census Tract 4025.06 4,276 0.9 4,835
Census Tract 4901 4,221 5.6 752
Census Tract 4508 4,203 0.8 5,247
Census Tract 4903.04 4,177 0.3 13,165
Census Tract 4525 4,157 0.6 7,523
Census Tract 4923 4,143 0.5 8,843
Census Tract 4515 4,137 0.3 12,936
Census Tract 4015.05 4,111 0.9 4,645
Census Tract 4505.01 4,107 0.9 4,404
Census Tract 4045.02 4,064 0.4 9,622
Census Tract 4205 4,054 0.3 12,346
Census Tract 4114.08 4,041 0.6 6,714
Census Tract 4086.01 4,035 1.0 4,225
Census Tract 4023.06 4,025 0.5 8,346
Census Tract 4113.08 4,021 1.6 2,534
Census Tract 4518.02 4,015 4.2 950
Census Tract 4920.02 4,012 0.6 6,646
Census Tract 4501 3,988 3.5 1,138
Census Tract 4209 3,973 0.4 9,944
Census Tract 4085.05 3,973 1.6 2,534
Census Tract 4512 3,941 1.9 2,027

Showing the 100 most populous of 219 — 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 →