Sumner County, KS Demographics
Sumner County, KS is the 25th most populous of 105 counties in Kansas, with 22,382 residents across 1,182 square miles. That is about 19 people per square mile.
At the 2020 census
| Population | 22,382 |
|---|---|
| Land area | 1,182 sq mi |
| Density | 19 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Sumner 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: Sumner County, KS
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Sumner County, KS — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Sumner County, KS
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9622 | 4,841 | 372.5 | 13 |
| Census Tract 9621 | 4,748 | 87.0 | 55 |
| Census Tract 9624 | 4,264 | 35.2 | 121 |
| Census Tract 9625 | 3,905 | 23.5 | 166 |
| Census Tract 9623 | 2,433 | 417.9 | 6 |
| Census Tract 9626 | 2,191 | 245.7 | 9 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Sumner 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.