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Marshall County, KY Demographics

Marshall County, KY is the 32nd most populous of 120 counties in Kentucky, with 31,659 residents across 302 square miles. That is about 105 people per square mile.

At the 2020 census

Population 31,659
Land area 302 sq mi
Density 105 / sq mi

Data: 2020 Census · American Community Survey 2024

How Marshall 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: Marshall County, KY

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

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

Census tracts in Marshall County, KY

Name Population Sq mi Per sq mi
Census Tract 9504 5,562 18.0 308
Census Tract 9502 4,792 38.6 124
Census Tract 9503 4,109 38.7 106
Census Tract 9505.02 2,936 34.3 86
Census Tract 9506.01 2,873 24.4 118
Census Tract 9505.01 2,707 58.6 46
Census Tract 9501.01 2,691 26.0 104
Census Tract 9506.02 2,583 40.0 65
Census Tract 9501.02 2,442 10.7 229
Census Tract 9506.03 964 12.8 75

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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 →