Marion County, TN Demographics
Marion County, TN is the 51st most populous of 95 counties in Tennessee, with 28,837 residents across 498 square miles. That is about 58 people per square mile.
At the 2020 census
| Population | 28,837 |
|---|---|
| Land area | 498 sq mi |
| Density | 58 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Marion 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: Marion County, TN
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Marion County, TN — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Marion County, TN
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 501.02 | 5,953 | 86.1 | 69 |
| Census Tract 503.01 | 5,554 | 28.0 | 198 |
| Census Tract 502.01 | 4,596 | 61.7 | 75 |
| Census Tract 501.01 | 3,625 | 87.6 | 41 |
| Census Tract 502.04 | 3,522 | 19.2 | 183 |
| Census Tract 503.02 | 3,026 | 133.0 | 23 |
| Census Tract 502.03 | 2,561 | 82.6 | 31 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Marion 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.