Washington County, MD Demographics
Washington County, MD is the 11th most populous of 24 counties in Maryland, with 154,705 residents across 458 square miles. That is about 338 people per square mile.
At the 2020 census
| Population | 154,705 |
|---|---|
| Land area | 458 sq mi |
| Density | 338 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Washington 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: Washington County, MD
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Washington County, MD — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Washington County, MD
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 103 | 7,916 | 9.6 | 824 |
| Census Tract 109.01 | 6,495 | 16.2 | 401 |
| Census Tract 111 | 6,299 | 8.6 | 735 |
| Census Tract 104.02 | 6,075 | 19.9 | 306 |
| Census Tract 114 | 6,024 | 18.8 | 320 |
| Census Tract 5 | 5,941 | 0.8 | 7,326 |
| Census Tract 117 | 5,732 | 31.5 | 182 |
| Census Tract 112.03 | 5,672 | 2.9 | 1,931 |
| Census Tract 110 | 5,360 | 1.7 | 3,137 |
| Census Tract 113.01 | 5,118 | 14.6 | 351 |
| Census Tract 106 | 5,058 | 72.8 | 69 |
| Census Tract 10.01 | 4,961 | 2.6 | 1,933 |
| Census Tract 104.01 | 4,785 | 3.5 | 1,378 |
| Census Tract 112.02 | 4,658 | 12.8 | 363 |
| Census Tract 108.03 | 4,514 | 3.3 | 1,359 |
| Census Tract 102 | 4,424 | 32.5 | 136 |
| Census Tract 115.01 | 4,354 | 24.1 | 180 |
| Census Tract 2 | 4,097 | 1.1 | 3,595 |
| Census Tract 10.02 | 4,075 | 1.6 | 2,477 |
| Census Tract 113.02 | 3,839 | 24.5 | 156 |
| Census Tract 112.04 | 3,775 | 3.4 | 1,120 |
| Census Tract 9 | 3,650 | 2.5 | 1,480 |
| Census Tract 3.01 | 3,617 | 1.2 | 2,926 |
| Census Tract 115.02 | 3,598 | 31.1 | 116 |
| Census Tract 1 | 3,513 | 0.7 | 4,919 |
| Census Tract 8 | 3,481 | 0.4 | 8,097 |
| Census Tract 6.02 | 3,455 | 2.2 | 1,602 |
| Census Tract 107 | 3,370 | 53.4 | 63 |
| Census Tract 109.02 | 3,247 | 26.3 | 124 |
| Census Tract 6.01 | 3,109 | 0.7 | 4,154 |
| Census Tract 7 | 3,041 | 0.5 | 5,894 |
| Census Tract 3.02 | 2,805 | 0.2 | 13,145 |
| Census Tract 116 | 2,722 | 20.7 | 131 |
| Census Tract 108.02 | 2,639 | 6.5 | 408 |
| Census Tract 4 | 2,198 | 0.4 | 5,652 |
| Census Tract 101 | 1,088 | 4.0 | 272 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Washington County
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.