LandBrief

Marion County

Parcel & Property Data

113,963Total Parcels
—Avg. Market Value
742,827Total Acres

About This Data

LandBrief holds 113,963 parcel records for Marion County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.

Data from the Marion County assessor roll dated December 2023, loaded August 2026. See data sources for every county’s vintage.

Explore Marion County

Marion County by the Numbers

Median parcel size
0.20 acres
measured from mapped boundaries
90th-percentile parcel
4.8 acres
County land area
755,737 acres
U.S. Census measurement
Communities
28
22.1% of parcels outside any incorporated place

Who Owns Marion County?

Share of the county’s 113,963 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.

Owner typeShare of parcels
Individuals84.9%
Companies & organizations11.9%
Trusts & estates0.6%
Government2.1%
Other / unclassified0.6%

The largest owner on record is CITY OF SALEM with 434 parcels — see the full landowner leaderboard.

Parcel Records (~113,963 total)

per page
Parcel IDOwnerAddressCityAcreage
095E000000100UNITED STATES OF AMERICA WILLAMETTE NATIONAL FOREST—Unincorporated23268.44
097E000000100UNITED STATES OF AMERICA UNITED STATES OF AMERICA—Unincorporated23136.50
096E000000100UNITED STATES OF AMERICA UNITED STATES OF AMERICA—Unincorporated22999.03
088E000000100UNITED STATES OF AMERICA MT HOOD NATIONAL FOREST—Unincorporated19150.00
098E000000200UNITED STATES OF AMERICA UNITED STATES OF AMERICA—Unincorporated17840.00
085E000000100UNITED STATES OF AMERICA WILLAMETTE NATIONAL FOREST—Unincorporated15985.36
086E000000100UNITED STATES OF AMERICA UNITED STATES OF AMERICA—Unincorporated15840.00
087E000000100UNITED STATES OF AMERICA MT HOOD NATIONAL FOREST—Unincorporated15360.00
083E000000200WEYERHAEUSER TIMBER HOLDINGS INC ATTN TAX DEPARTMENT—Unincorporated13304.66
108E000000100UNITED STATES OF AMERICA UNITED STATES OF AMERICA—Unincorporated11293.00
Page 1 of 11397

Download Marion County parcel data

All 113,963 parcels in Marion County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Marion County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in Marion County?

The Marion County assessor roll on file records 113,963 parcels across 28 communities, with 22.1% lying outside any incorporated place.

Who owns the most land in Marion County?

CITY OF SALEM holds 434 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Marion County?

Measured from mapped boundaries, the median parcel is 0.20 acres, and nine parcels in ten are under 4.8 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How much of Marion County is government-owned?

Government entities — federal, state, and local — hold 2.1% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Marion County assessor roll dated December 2023. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.

Browse by City (28)

113,963 parcels across 28 communities in Marion County.