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Guernsey County, OH Demographics

Guernsey County, OH is the 64th most populous of 88 counties in Ohio, with 38,438 residents across 522 square miles. That is about 74 people per square mile.

At the 2020 census

Population 38,438
Land area 522 sq mi
Density 74 / sq mi

Data: 2020 Census · American Community Survey 2024

How Guernsey 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: Guernsey County, OH

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

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

Census tracts in Guernsey County, OH

Name Population Sq mi Per sq mi
Census Tract 9772 4,610 144.0 32
Census Tract 9771 4,376 152.8 29
Census Tract 9779 4,330 12.7 342
Census Tract 9780 4,320 77.6 56
Census Tract 9778 3,880 45.3 86
Census Tract 9777 3,795 65.8 58
Census Tract 9774 3,629 14.0 260
Census Tract 9775 3,327 0.6 5,225
Census Tract 9773 3,252 6.5 497
Census Tract 9776 2,919 2.9 1,003

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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 →