Download Polk County, Iowa GIS parcel data - 207,421 parcels with owner names, site & mailing addresses, acreage, land use, and sale values. Instant delivery in Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. $100 per county.
Data freshness: Source data as of 2026-06-05; last loaded into LandAI on 2026-06-08.
Every purchase includes all five export formats (Shapefile, FileGDB, GeoPackage, GeoJSON & CSV), standardized to the LandAI parcel schema with WGS84 (EPSG:4326) geometry. After checkout you choose which formats to generate and download them for 45 days.
Field completeness measured across 207,421 active parcels (Source data as of 2026-06-05; last loaded into LandAI on 2026-06-08):
| Field | Coverage |
|---|---|
| Owner names | 98.5% |
| Site addresses | 83.2% |
| Owner mailing addresses | 100% |
| Deeded acres | 50.9% |
| Calculated (GIS) acres | 100% |
| Land use | 100% |
| Sale / transfer date | 93.6% |
| Market total value | 85.8% |
| Legal description | 100% |
These are 9 of the 48 standardized fields in the LandAI parcel schema. Live per-field completeness for every field is shown on this page's interactive view.
Polk County, Iowa has 207,421 active parcels in the LandAI dataset (source data as of 2026/06/05).
Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (98.5%), site addresses (83.2%), owner mailing addresses (100%), deeded acres (50.9%), calculated (GIS) acres (100%), land use (100%), sale / transfer date (93.6%), market total value (85.8%), and more.
Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. Every $100 county purchase includes all five formats; you choose which to generate after checkout and can re-download for 45 days.
Source data as of 2026-06-05; last loaded into LandAI on 2026-06-08.
Yes - 98.5% of Polk County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.
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