Colorado · FIPS 08065 · County seat: Leadville
Lake County, CO GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Lake County, CO: Assessor Map for Lake County. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
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 map | Assessor Map for Lake County |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Leadville |
| Population | 7,365 (2023 Census Bureau estimate) |
| Land area | 377 sq mi |
| FIPS code | 08065 |
About the official source
It is a county-level map: Lake County or the company it hires keeps the parcel layer up to date. As of our October 2026 test, anyone could open it without signing in or paying.
How to use the Lake County viewer
- Open the link. This viewer is an ArcGIS Experience Builder app, so its layout is custom to the publisher.
- Look for a search box or search widget and type in a street address or parcel ID.
- Click a parcel to see its details in a pop-up or side panel.
- Check the toolbar for a layer list or basemap switcher if you want aerials or other layers.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
Lake County had an estimated 7,365 residents in 2023, according to the Census Bureau. With about 377 square miles of land, that works out to roughly 20 people per square mile. Among Colorado's 64 counties, it is the 42nd largest by population. Its county seat is Leadville.
Nearby parcel maps
Lake County shares a border with the counties below. Each link has its own official map:
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.