Porter County

Parcel & Property Data

81,599Total Parcels

—Avg. Market Value

282,882Total Acres

About This Data

LandBrief holds 81,599 parcel records for Porter 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 Porter County assessor roll dated March 2023, loaded August 2026. See data sources for every county’s vintage.

Explore Porter County

Largest landownersWho holds the most land in Porter County, by total acreage.
Largest parcelsThe biggest individual tracts in the county, ranked by size.
Out-of-state ownersWho owns Porter County from somewhere else, and where they live.

Porter County by the Numbers

Median parcel size: 0.34 acres
measured from mapped boundaries
90th-percentile parcel: 4.7 acres
County land area: 267,592 acres
U.S. Census measurement
Communities: 27
0.1% of parcels outside any incorporated place
Out-of-state owners: 6.2% of parcels
by owner mailing address

Who Owns Porter County?

Share of the county’s 81,599 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 type	Share of parcels
Individuals	74.1%
Companies & organizations	10.6%
Trusts & estates	8.2%
Government	6.1%
Other / unclassified	0.9%

The largest owner on record is United States Of America %Pioneer Title with 1,905 parcels — see the full landowner leaderboard.

Parcel Records (~81,599 total)

Showper page

Parcel ID	Owner	Address	City	Acreage
640729200004000005	State Of Indiana Deptof Natural Resources	—	Valparaiso	2039.64
640427400002000009	United States Of America %Pioneer Title	—	Chesterton	1601.88
640914326001000004	Park & Recreation Department City Of Valparaiso	—	Valparaiso	1232.33
640334100005000026	United States Of America %Pioneer Title	—	Chesterton	1218.57
640334100006000026	United States Of America %Pioneer Title	—	Chesterton	1158.14
641124200003000018	School Porter Township Corporation	—	Valparaiso	819.06
640334100002000026	United States Of America %Pioneer Title	—	Chesterton	642.39
640329100001000024	Cleveland-Cliffs Burns Harbor LLC	—	Chesterton	629.78
640418300001000021	United States Of America %Pioneer Title	—	Chesterton	625.41
641101151021000018	Brandy Charlotte	—	Hebron	578.00

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Download Porter County parcel data

All 81,599 parcels in Porter County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

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Frequently Asked Questions

How many parcels are in Porter County?

The Porter County assessor roll on file records 81,599 parcels across 27 communities, with 0.1% lying outside any incorporated place.

Who owns the most land in Porter County?

United States Of America %Pioneer Title holds 1,905 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Porter County?

Measured from mapped boundaries, the median parcel is 0.34 acres, and nine parcels in ten are under 4.7 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How much of Porter County is owned from out of state?

6.2% of parcels list an owner mailing address outside IN, per the county’s own records.

How much of Porter County is government-owned?

Government entities — federal, state, and local — hold 6.1% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Porter County assessor roll dated March 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.