All counties →

Hancock County, IL Demographics

Hancock County, IL is the 60th most populous of 102 counties in Illinois, with 17,620 residents across 794 square miles. That is about 22 people per square mile.

At the 2020 census

Population 17,620
Land area 794 sq mi
Density 22 / sq mi

Data: 2020 Census · American Community Survey 2024

How Hancock 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: Hancock County, IL

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

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

Census tracts in Hancock County, IL

Name Population Sq mi Per sq mi
Census Tract 9543 3,448 297.1 12
Census Tract 9541 3,164 13.5 234
Census Tract 9538 2,598 5.7 459
Census Tract 9542 2,270 134.5 17
Census Tract 9540 2,259 102.0 22
Census Tract 9537 2,079 146.3 14
Census Tract 9539 1,802 94.6 19

Related places

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 →