Penobscot County, ME Demographics
Penobscot County, ME is the 3rd most populous of 16 counties in Maine, with 152,199 residents across 3,397 square miles. That is about 45 people per square mile.
At the 2020 census
| Population | 152,199 |
|---|---|
| Land area | 3,397 sq mi |
| Density | 45 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Penobscot 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: Penobscot County, ME
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Penobscot County, ME — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Penobscot County, ME
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 20 | 7,709 | 37.9 | 203 |
| Census Tract 311 | 6,578 | 15.3 | 430 |
| Census Tract 100 | 6,461 | 35.9 | 180 |
| Census Tract 9 | 6,430 | 6.8 | 943 |
| Census Tract 90 | 6,311 | 90.8 | 69 |
| Census Tract 313 | 5,994 | 43.9 | 136 |
| Census Tract 43 | 5,206 | 8.3 | 628 |
| Census Tract 270 | 4,853 | 67.8 | 72 |
| Census Tract 71 | 4,801 | 5.6 | 863 |
| Census Tract 80.01 | 4,601 | 95.1 | 48 |
| Census Tract 312 | 4,451 | 80.8 | 55 |
| Census Tract 3 | 4,428 | 3.0 | 1,464 |
| Census Tract 63 | 4,255 | 1.4 | 3,125 |
| Census Tract 300 | 4,114 | 11.0 | 375 |
| Census Tract 61 | 4,049 | 2.1 | 1,933 |
| Census Tract 30 | 3,812 | 25.0 | 153 |
| Census Tract 150 | 3,803 | 35.1 | 108 |
| Census Tract 2 | 3,674 | 0.7 | 5,494 |
| Census Tract 5 | 3,646 | 0.8 | 4,300 |
| Census Tract 130 | 3,133 | 29.5 | 106 |
| Census Tract 180 | 2,940 | 30.1 | 98 |
| Census Tract 62 | 2,879 | 14.7 | 195 |
| Census Tract 110 | 2,867 | 36.7 | 78 |
| Census Tract 42 | 2,704 | 6.4 | 426 |
| Census Tract 7 | 2,631 | 6.8 | 388 |
| Census Tract 72 | 2,630 | 33.2 | 79 |
| Census Tract 205 | 2,600 | 78.8 | 33 |
| Census Tract 125 | 2,536 | 66.0 | 38 |
| Census Tract 135 | 2,412 | 59.7 | 40 |
| Census Tract 245 | 2,364 | 333.2 | 7 |
| Census Tract 4 | 2,256 | 0.5 | 4,276 |
| Census Tract 140 | 2,221 | 38.7 | 57 |
| Census Tract 6 | 2,110 | 0.3 | 7,177 |
| Census Tract 155 | 1,989 | 76.2 | 26 |
| Census Tract 265 | 1,937 | 129.8 | 15 |
| Census Tract 290 | 1,853 | 1,171.0 | 2 |
| Census Tract 215 | 1,853 | 153.4 | 12 |
| Census Tract 50 | 1,814 | 3.0 | 600 |
| Census Tract 225 | 1,800 | 66.7 | 27 |
| Census Tract 41 | 1,762 | 0.6 | 2,978 |
| Census Tract 120 | 1,595 | 31.0 | 51 |
| Census Tract 310 | 1,572 | 7.1 | 222 |
| Census Tract 255 | 1,537 | 327.3 | 5 |
| Census Tract 280 | 1,435 | 27.7 | 52 |
| Census Tract 285 | 1,223 | 93.9 | 13 |
| Census Tract 9400 | 370 | 7.3 | 51 |
Related places
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Metro areas containing Penobscot 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.