Logan County, IL Demographics
Logan County, IL is the 49th most populous of 102 counties in Illinois, with 27,987 residents across 618 square miles. That is about 45 people per square mile.
At the 2020 census
| Population | 27,987 |
|---|---|
| Land area | 618 sq mi |
| Density | 45 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Logan 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: Logan County, IL
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Logan County, IL — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Logan County, IL
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9535 | 5,069 | 193.7 | 26 |
| Census Tract 9534 | 3,783 | 4.0 | 957 |
| Census Tract 9532 | 3,692 | 3.5 | 1,059 |
| Census Tract 9529 | 3,532 | 126.1 | 28 |
| Census Tract 9533 | 3,335 | 3.1 | 1,071 |
| Census Tract 9536 | 3,108 | 134.4 | 23 |
| Census Tract 9531 | 3,103 | 5.1 | 610 |
| Census Tract 9530 | 2,365 | 148.2 | 16 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Logan County
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.