Indiana · FIPS 18003 · County seat: Fort Wayne
Allen County, IN GIS & Parcel Viewer
Allen County, Indiana parcel data lives on the Allen County parcel map. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Allen County parcel map ↗
Opens acimap.us in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Allen County parcel map |
|---|---|
| Type | County-run map |
| Website | acimap.us |
| Access | Free, no login (checked Oct 2026) |
| County seat | Fort Wayne |
| Population | 394,545 (2023 Census Bureau estimate) |
| Land area | 657 sq mi |
| FIPS code | 18003 |
Where the parcel data comes from
Allen County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. Our October 2026 check found the map open to the public, with no account or payment needed.
Searching for a parcel, step by step
- Press the button above to open the county's own web map.
- Search for the property or pan and zoom to it.
- Click the lot to bring up what the county publishes about it.
- Look for print or measure tools if you need a quick map or rough size.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About Allen County
Census Bureau figures put Allen County at about 394,545 people (2023 estimate) on roughly 657 square miles of land, which is about 601 residents per square mile. That makes it number 3 out of 92 Indiana counties by population. The county seat is Fort Wayne.
Counties next to Allen County
Parcels close to the edge of Allen County can fall in the next county over. Neighboring counties:
- Adams County
- DeKalb County
- Huntington County
- Noble County
- Wells County
- Whitley County
- Defiance County, OH
- Paulding County, OH
- Van Wert County, OH
Our longer guides
Maps vs. surveys
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.