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Jefferson County, TN Demographics

Jefferson County, TN is the 28th most populous of 95 counties in Tennessee, with 54,677 residents across 275 square miles. That is about 199 people per square mile.

At the 2020 census

Population 54,677
Land area 275 sq mi
Density 199 / sq mi

Data: 2020 Census · American Community Survey 2024

How Jefferson 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: Jefferson County, TN

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

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

Census tracts in Jefferson County, TN

Name Population Sq mi Per sq mi
Census Tract 703 7,066 12.9 547
Census Tract 705 5,556 32.6 170
Census Tract 706 5,365 18.7 287
Census Tract 702 4,837 32.4 149
Census Tract 709 4,816 46.0 105
Census Tract 701.02 4,700 14.9 316
Census Tract 707.01 4,422 8.3 533
Census Tract 708.02 4,146 17.0 245
Census Tract 707.02 3,815 18.6 205
Census Tract 704 3,716 31.6 118
Census Tract 708.01 3,713 23.4 159
Census Tract 701.01 2,527 18.9 134

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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 →