Mercer County

Parcel & Property Data

56,980Total Parcels

—Avg. Market Value

354,897Total Acres

About This Data

LandBrief holds 56,980 parcel records for Mercer 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 Mercer County assessor roll dated April 2023, loaded August 2026. See data sources for every county’s vintage.

Explore Mercer County

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

Mercer County by the Numbers

Median parcel size: 0.65 acres
measured from mapped boundaries
90th-percentile parcel: 16.9 acres
County land area: 430,425 acres
U.S. Census measurement
Communities: 21
45.7% of parcels outside any incorporated place
Out-of-state owners: 5.3% of parcels
by owner mailing address

Who Owns Mercer County?

Share of the county’s 56,980 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	89.5%
Companies & organizations	7.6%
Trusts & estates	1.4%
Government	0.9%
Other / unclassified	0.7%

The largest owner on record is REDEVELOPMENT AUTHORITY OF THE with 259 parcels — see the full landowner leaderboard.

Parcel Records (~56,980 total)

Showper page

Parcel ID	Owner	Address	City	Acreage
19 048 028	COMMONWEALTH OF PA	—	Unincorporated	1859.00
25 021 008	PA GAME COMMISSION	—	Unincorporated	1347.63
29 216 160	COMMWEALTH OF PA GAME COMM	—	Unincorporated	1056.31
26 103 067	PA GAME COMMISSION	—	Unincorporated	984.60
02 022 019	OLIVER, JOHN C III	—	Unincorporated	592.33
02 048 021	PA GAME COMMISSION	—	Unincorporated	579.00
26 116 006	PENNSYLVANIA GAME	—	Unincorporated	486.00
24 006 009	STEVENSON, ROY F & AMY M	—	Unincorporated	471.76
18 076 064	COMMONWEALTH OF PENNA	—	Unincorporated	426.40
06 177 034	KIRILA, LTD	—	Unincorporated	406.20

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Download Mercer County parcel data

All 56,980 parcels in Mercer County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Mercer County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in Mercer County?

The Mercer County assessor roll on file records 56,980 parcels across 21 communities, with 45.7% lying outside any incorporated place.

Who owns the most land in Mercer County?

REDEVELOPMENT AUTHORITY OF THE holds 259 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Mercer County?

Measured from mapped boundaries, the median parcel is 0.65 acres, and nine parcels in ten are under 16.9 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

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

5.3% of parcels list an owner mailing address outside PA, per the county’s own records.

How much of Mercer County is government-owned?

Government entities — federal, state, and local — hold 0.9% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Mercer County assessor roll dated April 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.