To access geospatial data, view our data inventory section within the open data portal
Inquiries regarding acquiring geospatial data not listed above can be directed to data_mapping@co.delaware.pa.us
Census Data
Census data can be viewed and downloaded on the U.S. Census Bureau’s “Explore Census Data” (https://data.census.gov) website. Additional resources can be found at the Pennsylvania State Data Center, of which the Planning Department is an affiliate member.
View Delaware County Census Maps here: https://delcopa.gov/odmi/mapping.html
Property Assessment GIS Data
Parcel information is maintained and disseminated by Delaware County’s Board of Assessments. To view parcels online, please click here to be redirected to the Public Access Page and click on Real Estate and Tax Records.
To obtain parcel data or property maps, please contact Anita Bostwick, GIS Manager, at the Board of Assessments at (610) 891-4793 or BostwickA@co.delaware.pa.us.
Helpful Links
SEPTA Open Data
PennDOT Open Data
Pennsylvania Spatial Data Access (PASDA)
FEMA Flood Map Service Center
