Platbookmapper County GIS Directory

Indiana · FIPS 18089 · County seat: Crown Point

Lake County, IN GIS & Parcel Viewer

Looking for lot lines or a parcel number in Lake County, IN? The quickest route is Lake County Parcel Viewer Site, 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 Lake County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.

Map and county facts

Official mapLake County Parcel Viewer Site
TypeCounty-run map
Websiteexperience.arcgis.com
AccessFree, no login (checked Oct 2026)
County seatCrown Point
Population500,598 (2023 Census Bureau estimate)
Land area499 sq mi
FIPS code18089

Where the parcel data comes from

It is a county-level map: Lake County or the company it hires keeps the parcel layer up to date. When we tested the link in October 2026 it opened with no login and no fee.

Searching for a parcel, step by step

  1. Press the button above; an ArcGIS Experience Builder app opens in a new tab. Accept any splash or disclaimer screen.
  2. Search by address or parcel ID, or pan to the area.
  3. Select a parcel to view the information the publisher makes available.
  4. Explore the app's panels for layers, legends or printing.

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.

Lake County by the numbers

Census Bureau figures put Lake County at about 500,598 people (2023 estimate) on roughly 499 square miles of land, which is about 1,003 residents per square mile. Among Indiana's 92 counties, it is the 2nd largest by population. Census maps also count about 128 square miles of water inside its boundary. Crown Point serves as the county seat.

Nearby parcel maps

If the property sits near a county line, the parcel may belong to a neighbor. These counties border Lake County:

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.

Related

← Indiana counties · Open the national map