Polk County, IA parcel data download

Download Polk County, Iowa parcel data - 207,421 parcels with standardized boundaries and available property fields. Review county-specific completeness before checkout. 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.

What's in the Polk County dataset

Field completeness measured across 207,421 active parcels (Source data as of 2026-06-05; last loaded into LandAI on 2026-06-08):

FieldCoverage
Owner names98.5%
Site addresses83.2%
Owner mailing addresses100%
Deeded acres50.9%
Calculated (GIS) acres100%
Land use100%
Sale / transfer date93.6%
Market total value85.8%
Legal description100%

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 parcel data FAQ

How many parcels are in Polk County, IA?

Polk County, Iowa has 207,421 active parcels in the LandAI dataset (source data as of 2026/06/05).

What fields are included in Polk County parcel data?

The dataset uses LandAI's standardized parcel schema. Field availability varies by source and record. Current measured completeness includes 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%).

What formats can I download Polk County parcel data in?

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.

How current is the Polk County parcel data?

Source data as of 2026-06-05; last loaded into LandAI on 2026-06-08.

Does Polk County parcel data include owner names?

98.5% of Polk County parcels currently include a normalized owner name. Mailing-address coverage is measured and reported separately when the source provides it.

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