Kansas · FIPS 20131 · County seat: Seneca
Nemaha County, KS GIS & Parcel Viewer
Looking for lot lines or a parcel number in Nemaha County, KS? The quickest route is the Nemaha County ORKA parcel viewer, 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 Nemaha County parcel map ↗
Opens kansasgis.org in a new tab. We link out and never embed or copy parcel data.
Nemaha County at a glance
| Official map | Nemaha County ORKA parcel viewer |
|---|---|
| Type | County-run map |
| Website | kansasgis.org |
| Access | Free, no login (checked Oct 2026) |
| County seat | Seneca |
| Population | 10,114 (2023 Census Bureau estimate) |
| Land area | 717 sq mi |
| FIPS code | 20131 |
About the official source
This map is published by or for Nemaha 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.
Finding a property on this map
- Open the link to ORKA, the parcel viewer hosted on kansasgis.org that many Kansas counties share.
- Read and accept the intro or disclaimer page to reach the map.
- Search by owner, street address or parcel ID, or click a lot on the map.
- Open the parcel details to see the appraisal information the county shares.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
The U.S. Census Bureau estimated Nemaha County's population at 10,114 in 2023, spread over about 717 square miles of land, or roughly 14 people per square mile. Among Kansas's 105 counties, it is the 38th largest by population. The county seat is Seneca.
Nearby parcel maps
Nemaha County shares a border with the counties below. Each link has its own official map:
- Brown County (state list)
- Jackson County (state list)
- Marshall County
- Pottawatomie County
- Pawnee County, NE
- Richardson County, NE
Before you rely on the lines
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.