Iowa · FIPS 19157 · County seat: Montezuma
Poweshiek County, IA GIS & Parcel Viewer
Parcel lookups for Poweshiek County start at the Poweshiek County Beacon site. This page gives you that official link, notes on how the viewer works, and links to the counties next door.
Open the Poweshiek County parcel map ↗
Opens beacon.schneidercorp.com in a new tab. We link out and never embed or copy parcel data.
Poweshiek County at a glance
| Official map | Poweshiek County Beacon site |
|---|---|
| Type | County-run map |
| Website | beacon.schneidercorp.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Montezuma |
| Population | 18,453 (2023 Census Bureau estimate) |
| Land area | 585 sq mi |
| FIPS code | 19157 |
About the official source
It is a county-level map: Poweshiek County or the company it hires keeps the parcel layer up to date. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Poweshiek County viewer
- Open the link to the Beacon site from Schneider Geospatial. If a terms or disclaimer window appears, agree to it to continue.
- Use the search bar to look up a street address, an owner's name or a parcel ID. Beacon sites usually also have a dedicated property search page.
- Click a lot on the map and then open its report for assessment and property details.
- Use the layer and basemap controls to add aerial photos or other layers the county publishes.
If an address search comes up empty, try the parcel number from a tax bill or deed instead, or click the lot on the map.
Poweshiek County by the numbers
The U.S. Census Bureau estimated Poweshiek County's population at 18,453 in 2023, spread over about 585 square miles of land, or roughly 32 people per square mile. That makes it number 37 out of 99 Iowa counties by population. Its county seat is Montezuma.
Counties next to Poweshiek County
Parcels close to the edge of Poweshiek County can fall in the next county over. Neighboring counties:
Maps vs. surveys
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.