Iowa · FIPS 19101 · County seat: Fairfield
Jefferson County, IA GIS & Parcel Viewer
Use this page to reach the official county parcel map for Jefferson County, Iowa. The button below opens Jefferson County CAMAvision map in a new tab, so you can look up parcels by address, owner or parcel number on the source site itself.
Open the Jefferson County parcel map ↗
Opens maps.camavision.com in a new tab. We link out and never embed or copy parcel data.
Jefferson County at a glance
| Official map | Jefferson County CAMAvision map |
|---|---|
| Type | County-run map |
| Website | maps.camavision.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Fairfield |
| Population | 15,440 (2023 Census Bureau estimate) |
| Land area | 436 sq mi |
| FIPS code | 19101 |
About the official source
Jefferson 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 Jefferson County viewer
- Open the official link; the map is hosted on CAMAvision Maps, a vendor platform used by 47 counties in our directory.
- Accept any disclaimer, then use the search tool to find a street address, owner or parcel ID.
- Click a parcel to view its attributes.
- Use the layer or basemap controls to add aerials and other layers where the county provides them.
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.
Jefferson County by the numbers
Census Bureau figures put Jefferson County at about 15,440 people (2023 estimate) on roughly 436 square miles of land, which is about 35 residents per square mile. That makes it number 48 out of 99 Iowa counties by population. The county seat is Fairfield.
Nearby parcel maps
Parcels close to the edge of Jefferson 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.