Platbookmapper County GIS Directory

Iowa · FIPS 19103 · County seat: Iowa City

Johnson County, IA GIS & Parcel Viewer

Here is the direct link to the county parcel map covering Johnson County, IA: the Johnson County Beacon site. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.

Open the Johnson County parcel map ↗
Opens beacon.schneidercorp.com in a new tab. We link out and never embed or copy parcel data.

Quick facts

Official mapJohnson County Beacon site
TypeCounty-run map
Websitebeacon.schneidercorp.com
AccessFree, no login (checked Oct 2026)
County seatIowa City
Population157,528 (2023 Census Bureau estimate)
Land area613 sq mi
FIPS code19103

About the official source

Johnson County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. As of our October 2026 test, anyone could open it without signing in or paying.

How to use the Johnson County viewer

  1. Press the button above to open Beacon, the Schneider Geospatial parcel platform this county uses. Accept the usage terms if asked.
  2. Search by address, owner or parcel number, or zoom in and click a lot.
  3. From a parcel's pop-up, open the full record to see values, sales or building data where the county shares them.
  4. Switch layers on or off to compare parcels with aerials, zoning or other overlays.

Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.

The county in brief

Census Bureau figures put Johnson County at about 157,528 people (2023 estimate) on roughly 613 square miles of land, which is about 257 residents per square mile. That makes it number 4 out of 99 Iowa counties by population. Its county seat is Iowa City.

Nearby parcel maps

Parcels close to the edge of Johnson County can fall in the next county over. Neighboring counties:

A note on accuracy

Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.

Related

← Iowa counties · Open the national map