Lehigh County, PA Demographics
Lehigh County, PA is the 10th most populous of 67 counties in Pennsylvania, with 374,557 residents across 345 square miles. That is about 1,085 people per square mile.
At the 2020 census
| Population | 374,557 |
|---|---|
| Land area | 345 sq mi |
| Density | 1,085 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Lehigh 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: Lehigh County, PA
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Lehigh County, PA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Lehigh County, PA
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 62.03 | 9,604 | 3.7 | 2,592 |
| Census Tract 14.01 | 8,022 | 1.2 | 6,542 |
| Census Tract 63.02 | 7,818 | 9.8 | 794 |
| Census Tract 15.02 | 7,566 | 1.3 | 6,036 |
| Census Tract 62.06 | 7,454 | 2.5 | 2,941 |
| Census Tract 21 | 7,406 | 0.5 | 15,130 |
| Census Tract 15.01 | 7,159 | 1.4 | 5,257 |
| Census Tract 69.03 | 6,957 | 12.6 | 550 |
| Census Tract 63.05 | 6,915 | 3.0 | 2,323 |
| Census Tract 52 | 6,551 | 23.6 | 278 |
| Census Tract 59.01 | 6,518 | 1.3 | 5,046 |
| Census Tract 60.02 | 6,313 | 8.6 | 731 |
| Census Tract 6 | 6,235 | 1.0 | 6,498 |
| Census Tract 57.05 | 6,087 | 2.3 | 2,635 |
| Census Tract 67.03 | 6,049 | 3.0 | 2,008 |
| Census Tract 66 | 5,925 | 1.4 | 4,113 |
| Census Tract 20 | 5,857 | 0.2 | 26,951 |
| Census Tract 65 | 5,775 | 1.5 | 3,864 |
| Census Tract 61.02 | 5,677 | 1.5 | 3,705 |
| Census Tract 69.05 | 5,468 | 5.8 | 937 |
| Census Tract 56.02 | 5,423 | 2.1 | 2,562 |
| Census Tract 56.01 | 5,365 | 5.7 | 936 |
| Census Tract 96.02 | 5,360 | 0.7 | 8,229 |
| Census Tract 62.05 | 5,355 | 12.0 | 446 |
| Census Tract 18 | 5,086 | 0.2 | 25,844 |
| Census Tract 17 | 5,039 | 0.2 | 29,830 |
| Census Tract 54.02 | 4,976 | 26.8 | 186 |
| Census Tract 63.10 | 4,970 | 3.1 | 1,588 |
| Census Tract 60.01 | 4,894 | 4.4 | 1,121 |
| Census Tract 64.02 | 4,883 | 13.8 | 355 |
| Census Tract 68 | 4,832 | 0.7 | 6,571 |
| Census Tract 67.01 | 4,796 | 3.1 | 1,562 |
| Census Tract 22.01 | 4,759 | 0.5 | 9,723 |
| Census Tract 57.02 | 4,747 | 1.3 | 3,616 |
| Census Tract 95 | 4,681 | 0.5 | 9,186 |
| Census Tract 19 | 4,633 | 0.5 | 8,426 |
| Census Tract 55.04 | 4,595 | 8.3 | 556 |
| Census Tract 1.02 | 4,551 | 1.3 | 3,519 |
| Census Tract 69.06 | 4,546 | 6.0 | 762 |
| Census Tract 23.04 | 4,509 | 0.9 | 4,904 |
| Census Tract 8 | 4,322 | 0.1 | 36,570 |
| Census Tract 51 | 4,283 | 1.3 | 3,242 |
| Census Tract 53.02 | 4,232 | 41.3 | 103 |
| Census Tract 7 | 4,222 | 0.3 | 14,569 |
| Census Tract 61.01 | 4,196 | 2.5 | 1,654 |
| Census Tract 55.03 | 4,166 | 11.0 | 379 |
| Census Tract 63.11 | 4,150 | 1.8 | 2,371 |
| Census Tract 94 | 4,118 | 0.7 | 5,538 |
| Census Tract 63.04 | 4,023 | 3.3 | 1,238 |
| Census Tract 22.02 | 4,023 | 0.5 | 8,245 |
| Census Tract 57.03 | 3,990 | 0.7 | 6,007 |
| Census Tract 1.01 | 3,974 | 0.7 | 5,483 |
| Census Tract 62.04 | 3,964 | 7.8 | 505 |
| Census Tract 97 | 3,934 | 0.3 | 12,665 |
| Census Tract 63.09 | 3,896 | 1.3 | 3,080 |
| Census Tract 70 | 3,861 | 19.7 | 196 |
| Census Tract 92 | 3,846 | 0.7 | 5,318 |
| Census Tract 4 | 3,790 | 0.4 | 10,116 |
| Census Tract 16 | 3,742 | 0.1 | 28,618 |
| Census Tract 91 | 3,741 | 1.6 | 2,307 |
| Census Tract 55.06 | 3,684 | 6.0 | 614 |
| Census Tract 57.04 | 3,561 | 0.4 | 8,147 |
| Census Tract 93 | 3,386 | 0.7 | 4,834 |
| Census Tract 58 | 3,348 | 0.6 | 5,486 |
| Census Tract 53.01 | 3,324 | 24.6 | 135 |
| Census Tract 10 | 3,279 | 0.1 | 27,775 |
| Census Tract 63.12 | 3,250 | 0.9 | 3,723 |
| Census Tract 63.03 | 3,248 | 1.0 | 3,283 |
| Census Tract 23.02 | 3,216 | 0.9 | 3,590 |
| Census Tract 55.05 | 3,210 | 2.8 | 1,127 |
| Census Tract 96.01 | 3,106 | 0.9 | 3,316 |
| Census Tract 64.01 | 2,846 | 4.2 | 684 |
| Census Tract 67.02 | 2,776 | 5.1 | 544 |
| Census Tract 23.03 | 2,769 | 1.0 | 2,862 |
| Census Tract 5 | 2,709 | 0.4 | 6,717 |
| Census Tract 69.02 | 2,449 | 1.0 | 2,565 |
| Census Tract 12 | 2,324 | 0.1 | 16,383 |
| Census Tract 54.01 | 2,292 | 14.0 | 164 |
| Census Tract 14.02 | 2,259 | 1.8 | 1,254 |
| Census Tract 9 | 1,994 | 0.1 | 23,033 |
| Census Tract 59.02 | 1,689 | 4.2 | 400 |
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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.