Lake County
Parcel & Property Data
About This Data
LandBrief holds 10,100 parcel records for Lake County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.
Data from the Lake County assessor roll dated August 2022, loaded August 2026. See data sources for every county’s vintage.
Explore Lake County
Lake County by the Numbers
- Median parcel size
- 0.74 acres
measured from mapped boundaries - 90th-percentile parcel
- 155.6 acres
- County land area
- 360,250 acres
U.S. Census measurement - Communities
- 16
37.4% of parcels outside any incorporated place
Who Owns Lake County?
Share of the county’s 10,100 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.
| Owner type | Share of parcels |
|---|---|
| Individuals | 69.4% |
| Companies & organizations | 11.1% |
| Trusts & estates | 13.5% |
| Government | 4.4% |
| Other / unclassified | 1.6% |
The largest owner on record is CITY OF MADISON with 191 parcels — see the full landowner leaderboard.
Parcel Records (~10,100 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 127001085301010 | FISCHER MICHAEL & MAREN | 431 E 4TH ST | Ramona | 13.24 † |
| 127001085312010 | FISCHER MICHAEL & MAREN | 431 E 4TH ST | Ramona | 2.66 † |
| 126001085303030 | PEREIRA JOHN C | 201 N PLEASANT AVE | Ramona | 0.23 † |
| 126001085303010 | KEITH JOSHUA D & SHELBIE A | 211 N PLEASANT AVE | Ramona | 7.41 † |
| 126001085303020 | KEITH JOSHUA & SHELBIE | 301 N PLEASANT AVE | Unincorporated | 0.33 † |
| 126101085301020 | MENZEL DAVID T & SANDRA (JT) | 411 N PLEASANT AVE | Ramona | 45.37 † |
| 120001085332320 | TOLLEY DANELLE M | 401 S PLEASANT AVE | Ramona | 0.97 † |
| 120001085332330 | MALCOMB CHELSEA & | 411 S PLEASANT AVE | Ramona | 0.92 † |
| 187101085306010 | HAROLDSON NOEL N & PAILIN | 430 S STATE AVE | Unincorporated | 2.60 † |
| 121201085301110 | HOFF PAUL & BARBARA TRUST | 22047 US HWY 81 | Unincorporated | 7.94 † |
Download Lake County parcel data
All 10,100 parcels in Lake County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Lake County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Lake County?
The Lake County assessor roll on file records 10,100 parcels across 16 communities, with 37.4% lying outside any incorporated place.
Who owns the most land in Lake County?
CITY OF MADISON holds 191 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Lake County?
Measured from mapped boundaries, the median parcel is 0.74 acres, and nine parcels in ten are under 155.6 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Lake County is government-owned?
Government entities — federal, state, and local — hold 4.4% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Lake County assessor roll dated August 2022. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.
Browse by City (16)
10,100 parcels across 16 communities in Lake County.
- Brant Lake32 parcels
- Brant Lake South88 parcels
- Chester395 parcels
- Colman8 parcels
- Colton5 parcels
- Lake Madison694 parcels
- Madison3,776 parcels
- Nunda121 parcels
- Oldham1 parcels
- Ramona229 parcels
- Rustic Acres Colony6 parcels
- Rutland64 parcels
- Unincorporated3,780 parcels
- Volga11 parcels
- Wentworth759 parcels
- Winfred131 parcels