Jasper County, IA Demographics
Jasper County, IA is the 17th most populous of 99 counties in Iowa, with 37,813 residents across 730 square miles. That is about 52 people per square mile.
At the 2020 census
| Population | 37,813 |
|---|---|
| Land area | 730 sq mi |
| Density | 52 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Jasper 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: Jasper County, IA
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Jasper County, IA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Jasper County, IA
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 404 | 5,392 | 3.0 | 1,814 |
| Census Tract 407 | 5,390 | 92.3 | 58 |
| Census Tract 405 | 5,122 | 1.6 | 3,203 |
| Census Tract 408 | 4,186 | 135.9 | 31 |
| Census Tract 402 | 3,989 | 155.4 | 26 |
| Census Tract 401 | 3,692 | 194.7 | 19 |
| Census Tract 406 | 3,059 | 1.0 | 2,991 |
| Census Tract 409 | 2,967 | 138.7 | 21 |
| Census Tract 403 | 2,676 | 7.5 | 355 |
| Census Tract 9800 | 1,340 | 0.4 | 3,263 |
Related places
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Metro areas containing Jasper 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.