Riley County
Parcel & Property Data
About This Data
LandBrief holds 24,724 parcel records for Riley 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 Riley County assessor roll dated June 2025, loaded August 2026. See data sources for every county’s vintage.
Explore Riley County
Riley County by the Numbers
- Median parcel size
- 0.28 acres
measured from mapped boundaries - 90th-percentile parcel
- 26.2 acres
- County land area
- 390,182 acres
U.S. Census measurement - Communities
- 10
28.7% of parcels outside any incorporated place
Who Owns Riley County?
Share of the county’s 24,724 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 |
|---|---|
| Other / unclassified | 100.0% |
Parcel Records (~24,724 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 0810221000000003000 | — | — | Unincorporated | 150.49 † |
| 0810221000000004000 | — | — | Unincorporated | 112.82 † |
| 0810221000000005000 | — | — | Unincorporated | 77.81 † |
| 0810221000000006000 | — | — | Unincorporated | 1.96 † |
| 0810221000000007000 | — | — | Unincorporated | 39.84 † |
| 0810221000000008000 | — | — | Unincorporated | 5.69 † |
| 0810221000000009000 | — | — | Unincorporated | 3.84 † |
| 0810221000000010000 | — | — | Unincorporated | 72.20 † |
| 0810230500000001000 | — | — | Unincorporated | 33.25 † |
| 0810230500000001010 | — | — | Unincorporated | 32.51 † |
Download Riley County parcel data
All 24,724 parcels in Riley County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Riley County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Riley County?
The Riley County assessor roll on file records 24,724 parcels across 10 communities, with 28.7% lying outside any incorporated place.
What is the typical parcel size in Riley County?
Measured from mapped boundaries, the median parcel is 0.28 acres, and nine parcels in ten are under 26.2 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How current is this data?
It comes from the Riley County assessor roll dated June 2025. 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 (10)
24,724 parcels across 10 communities in Riley County.