Northumberland County

Parcel & Property Data

51,937Total Parcels
$20,450Avg. Market Value
507,215Total Acres

LandBrief holds 51,937 parcel records for Northumberland 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 Northumberland County assessor roll dated April 2025, loaded August 2026. See data sources for every county’s vintage.

Explore Northumberland County

Northumberland County by the Numbers

Median parcel size
0.32 acres
measured from mapped boundaries
90th-percentile parcel
11.2 acres
County land area
292,914 acres
U.S. Census measurement
Communities
29
42.2% of parcels outside any incorporated place
Median assessed value
$9,800
100% of parcels carry a value

Who Owns Northumberland County?

Share of the county’s 51,937 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
Individuals87.7%
Companies & organizations8.4%
Trusts & estates2.0%
Government1.1%
Other / unclassified0.8%

The largest owner on record is NORTHUMBERLAND COUNTY COMMISSIONERS with 186 parcels — see the full landowner leaderboard.

Parcel Records (~51,937 total)

per page
Parcel IDOwnerAddressCityAcreageMarket Value
001-00-085-066PA GAME COMMISSIONUnincorporated3192.10$63,800
001-00-085-066PA GAME COMMISSIONUnincorporated3192.10$63,800
001-00-085-066PA GAME COMMISSIONUnincorporated3192.10$63,800
019-00-084-026COMMONWEALTH OF PAUnincorporated1984.91$39,700
019-00-084-026COMMONWEALTH OF PAUnincorporated1984.91$39,700
019-00-084-026COMMONWEALTH OF PAUnincorporated1984.91$39,700
019-00-084-026COMMONWEALTH OF PAUnincorporated1984.91$39,700
019-00-084-026COMMONWEALTH OF PAUnincorporated1984.91$39,700
027-00-081-043PA GAME COMMISSIONUnincorporated1437.80$39,100
027-00-081-043PA GAME COMMISSIONUnincorporated1437.80$39,100
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Download Northumberland County parcel data

All 51,937 parcels in Northumberland County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Northumberland County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in Northumberland County?

The Northumberland County assessor roll on file records 51,937 parcels across 29 communities, with 42.2% lying outside any incorporated place.

Who owns the most land in Northumberland County?

NORTHUMBERLAND COUNTY COMMISSIONERS holds 186 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Northumberland County?

Measured from mapped boundaries, the median parcel is 0.32 acres, and nine parcels in ten are under 11.2 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How much of Northumberland County is government-owned?

Government entities — federal, state, and local — hold 1.1% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Northumberland County assessor roll dated April 2025. 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 (29)

51,937 parcels across 29 communities in Northumberland County.