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Fulton County, IL Demographics

Fulton County, IL is the 44th most populous of 102 counties in Illinois, with 33,609 residents across 866 square miles. That is about 39 people per square mile.

At the 2020 census

Population 33,609
Land area 866 sq mi
Density 39 / sq mi

Data: 2020 Census · American Community Survey 2024

How Fulton 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: Fulton County, IL

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

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

Census tracts in Fulton County, IL

Name Population Sq mi Per sq mi
Census Tract 9536 4,409 2.3 1,924
Census Tract 9535 4,273 10.5 407
Census Tract 9533 3,278 5.5 596
Census Tract 9529 3,028 137.4 22
Census Tract 9528 2,658 4.2 627
Census Tract 9532 2,570 70.7 36
Census Tract 9539 2,474 141.4 17
Census Tract 9538 2,454 12.4 198
Census Tract 9537 2,320 138.3 17
Census Tract 9531 2,301 187.4 12
Census Tract 9530 2,120 154.9 14
Census Tract 9534 1,724 0.7 2,406

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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 →