Allen County, KY Demographics
Allen County, KY is the 54th most populous of 120 counties in Kentucky, with 20,591 residents across 344 square miles. That is about 60 people per square mile.
At the 2020 census
| Population | 20,591 |
|---|---|
| Land area | 344 sq mi |
| Density | 60 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Allen 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: Allen County, KY
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Allen County, KY — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Allen County, KY
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9203 | 5,101 | 27.0 | 189 |
| Census Tract 9204 | 4,563 | 51.3 | 89 |
| Census Tract 9206 | 3,348 | 60.1 | 56 |
| Census Tract 9201 | 3,295 | 80.0 | 41 |
| Census Tract 9202 | 2,868 | 56.6 | 51 |
| Census Tract 9205 | 1,413 | 68.8 | 21 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Allen 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.