Pennsylvania · FIPS 42029 · County seat: West Chester
Chester County, PA GIS & Parcel Viewer
Chester County, Pennsylvania parcel data lives on the Chester County parcel map. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Chester County parcel map ↗
Opens arcweb.chesco.org in a new tab. We link out and never embed or copy parcel data.
Chester County at a glance
| Official map | Chester County parcel map |
|---|---|
| Type | County-run map |
| Website | arcweb.chesco.org |
| Access | Free, no login (checked Oct 2026) |
| County seat | West Chester |
| Population | 549,784 (2023 Census Bureau estimate) |
| Land area | 751 sq mi |
| FIPS code | 42029 |
Who runs this map
This map is published by or for Chester County itself, so it reflects the local parcel layer rather than a third-party copy. When we tested the link in October 2026 it opened with no login and no fee.
How to use the Chester County viewer
- Press the button above to open the county's own web map.
- Search for the property or pan and zoom to it.
- Click the lot to bring up what the county publishes about it.
- Look for print or measure tools if you need a quick map or rough size.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
The county in brief
Census Bureau figures put Chester County at about 549,784 people (2023 estimate) on roughly 751 square miles of land, which is about 732 residents per square mile. By population it ranks 7th of 67 counties in Pennsylvania. West Chester serves as the county seat.
Counties next to Chester County
Parcels close to the edge of Chester County can fall in the next county over. Neighboring counties:
Maps vs. surveys
Keep in mind that a GIS parcel layer is a tax map, not a survey. For exact boundaries, look at the recorded deed and plat or hire a licensed land surveyor.