Oklahoma · FIPS 40041 · County seat: Jay
Delaware County, OK GIS & Parcel Viewer
Looking for lot lines or a parcel number in Delaware County, OK? The quickest route is Delaware County Assessors Office, the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Delaware County parcel map ↗
Opens property.spatialest.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Delaware County Assessors Office |
|---|---|
| Type | County-run map |
| Website | property.spatialest.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Jay |
| Population | 41,703 (2023 Census Bureau estimate) |
| Land area | 738 sq mi |
| FIPS code | 40041 |
Who runs this map
This map is published by or for Delaware 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 Delaware County viewer
- Open the official link; the map is hosted on Spatialest, a vendor platform used by 10 counties in our directory.
- Accept any disclaimer, then use the search tool to find a street address, owner or parcel ID.
- Click a parcel to view its attributes.
- Use the layer or basemap controls to add aerials and other layers where the county provides them.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
The county in brief
Census Bureau figures put Delaware County at about 41,703 people (2023 estimate) on roughly 738 square miles of land, which is about 57 residents per square mile. Among Oklahoma's 77 counties, it is the 25th largest by population. Jay serves as the county seat.
Counties next to Delaware County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Delaware County:
- Adair County
- Cherokee County
- Craig County
- Mayes County
- Ottawa County
- Benton County, AR
- McDonald County, MO
Related guides
Before you rely on the lines
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.