Louisa County, IA Demographics
Louisa County, IA is the 67th most populous of 99 counties in Iowa, with 10,837 residents across 402 square miles. That is about 27 people per square mile.
At the 2020 census
| Population | 10,837 |
|---|---|
| Land area | 402 sq mi |
| Density | 27 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Louisa 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: Louisa County, IA
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Louisa County, IA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Louisa County, IA
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 4503 | 4,060 | 99.2 | 41 |
| Census Tract 4502 | 3,858 | 173.0 | 22 |
| Census Tract 4501 | 2,919 | 129.6 | 23 |
Related places
Other counties nearby
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.