Illinois · FIPS 17127 · County seat: Metropolis
Massac County, IL GIS & Parcel Viewer
Massac County, Illinois parcel data lives on the Massac County BHA Maps viewer. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Massac County parcel map ↗
Opens massac-il.bhamaps.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Massac County BHA Maps viewer |
|---|---|
| Type | County-run map |
| Website | massac-il.bhamaps.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Metropolis |
| Population | 13,661 (2023 Census Bureau estimate) |
| Land area | 237 sq mi |
| FIPS code | 17127 |
About the official source
This map is published by or for Massac 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.
Searching for a parcel, step by step
- Press the button above. This county's viewer runs on BHA Maps; 12 counties in our directory use the same service.
- Find the search option and look up a property, or zoom in on the map.
- Click a lot to see its details.
- Check the toolbar for layers, measuring and printing.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About Massac County
Massac County had an estimated 13,661 residents in 2023, according to the Census Bureau. With about 237 square miles of land, that works out to roughly 58 people per square mile. By population it ranks 75th of 102 counties in Illinois. The county seat is Metropolis.
Nearby parcel maps
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Massac County:
- Johnson County (state list)
- Pope County (state list)
- Pulaski County (state list)
- Livingston County, KY (state list)
- McCracken County, KY
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.