Clinton County
Parcel & Property Data
About This Data
LandBrief holds 34,396 parcel records for Clinton 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 Clinton County assessor roll dated May 2022, loaded August 2026. See data sources for every county’s vintage.
Explore Clinton County
Clinton County by the Numbers
- Median parcel size
- 0.76 acres
measured from mapped boundaries - 90th-percentile parcel
- 40.2 acres
- County land area
- 444,774 acres
U.S. Census measurement - Communities
- 17
42.9% of parcels outside any incorporated place
Who Owns Clinton County?
Share of the county’s 34,396 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 | 69.2% |
| Companies & organizations | 13.3% |
| Trusts & estates | 12.5% |
| Government | 3.5% |
| Other / unclassified | 1.4% |
The largest owner on record is CITY OF CLINTON with 360 parcels — see the full landowner leaderboard.
Parcel Records (~34,396 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 2608030000 | UNITED STATES OF AMERICA | — | Unincorporated | 422.00 |
| 2608010000 | UNITED STATES OF AMERICA | — | Unincorporated | 334.00 |
| 8800370000 | CITY OF CLINTON IOWA AIRPORT | 2000 S 60 ST CLINTON | Clinton | 215.16 |
| 1201720100 | HARMSEN WAYNE V KATHLEEN A AS CO-TRUSTEES OF WAYNE KATHLEEN HARMSEN REV TRUSTS | — | Unincorporated | 207.88 |
| 1209502000 | FARRELL DAVID RENA | — | Unincorporated | 191.84 |
| 3400960100 | MCANDREW JOHN J | — | Unincorporated | 180.58 |
| 0202760000 | GARLYN AG LLC | — | Unincorporated | 175.05 |
| 1808970001 | FLENKER BROS LLC | 2706 300 AVE DEWITT | Unincorporated | 171.76 |
| 4801440001 | NIEMANN LUKE S LANNA | — | Unincorporated | 165.61 |
| 1808175020 | PULFER KENT W JODI S C AS CO-TRUSTEES OF THE KENT JODI PULFER LIVING TRUST | — | Unincorporated | 154.56 |
Download Clinton County parcel data
All 34,396 parcels in Clinton County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Clinton County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Clinton County?
The Clinton County assessor roll on file records 34,396 parcels across 17 communities, with 42.9% lying outside any incorporated place.
Who owns the most land in Clinton County?
CITY OF CLINTON holds 360 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Clinton County?
Measured from mapped boundaries, the median parcel is 0.76 acres, and nine parcels in ten are under 40.2 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Clinton County is government-owned?
Government entities — federal, state, and local — hold 3.5% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Clinton County assessor roll dated May 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 (17)
34,396 parcels across 17 communities in Clinton County.
- Andover59 parcels
- Big Rock13 parcels
- Calamus274 parcels
- Camanche2,106 parcels
- Charlotte266 parcels
- Clinton12,475 parcels
- Delmar341 parcels
- DeWitt2,492 parcels
- Goose Lake144 parcels
- Grand Mound347 parcels
- Lost Nation295 parcels
- Low Moor172 parcels
- Maquoketa5 parcels
- Toronto97 parcels
- Unincorporated14,769 parcels
- Welton125 parcels
- Wheatland416 parcels