Marion County, OR GIS parcel data download

Download Marion County, Oregon GIS parcel data - 115,887 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: Latest parcel update in source: 5/1/2026; last loaded into LandAI on 2026-05-13.

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 Marion County dataset

Field completeness measured across 115,887 active parcels (Latest parcel update in source: 5/1/2026; last loaded into LandAI on 2026-05-13):

FieldCoverage
Owner names100%
Site addresses89.4%
Owner mailing addresses99.6%
Deeded acres100%
Calculated (GIS) acres100%
Land use100%
Last sale price100%
Sale / transfer date91.9%
Assessed total value100%
Market total value100%
Year built100%
Building square footage100%

These are 12 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.

Marion County parcel data FAQ

How many parcels are in Marion County, OR?

Marion County, Oregon has 115,887 active parcels in the LandAI dataset (source data as of 2026-05-01).

What fields are included in Marion County parcel data?

Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (100%), site addresses (89.4%), owner mailing addresses (99.6%), deeded acres (100%), calculated (GIS) acres (100%), land use (100%), last sale price (100%), sale / transfer date (91.9%), and more.

What formats can I download Marion County GIS 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 Marion County parcel data?

Latest parcel update in source: 5/1/2026; last loaded into LandAI on 2026-05-13.

Does Marion County parcel data include owner names?

Yes - 100% of Marion County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.

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