Warren County, Illinois: deer harvest and public hunting land
Warren County covers 543 square miles around Monmouth. Hunters took 954 deer here in the 2025-26 season, all seasons together, by IDNR's county summary; the county record is 1,276 (2005). That is up 7% from 2024, and the most in the 5 years shown. 0.1% of Warren County is public land open to the public, the largest share forest preserves, county and city land (322 acres), by USGS PAD-US 4.1 and IDNR's hunting area records.
Data updated October 2026. Harvest: IDNR's county summaries, 2021-22 to 2025-26. Land: PAD-US 4.1 and IDNR's land records.
Other IDNR and state landForest preserves, county and city landLand trusts and other open landWarren CountyNeighboring countiesLakeHighway
| Size | 347,516 acres (543 square miles) |
|---|---|
| Deer taken, 2025-26 | 954 (ten-year average 827) |
| Record harvest (IDNR) | 1,276 in 2005 |
| CWD detected (IDNR) | No |
| Public land | 0.1% (398 acres) |
| IDNR hunting sites | None mapped |
| Towns in and near it | Monmouth, Kirkwood, Roseville, Prairie City, Avon and Raritan |
How many deer are harvested in Warren County?
Hunters took 954 deer in Warren County in the 2025-26 season, against a ten-year average of 827. IDNR's firearm permit quota was 1,500 and its muzzleloader quota 215.
| Season | Deer taken | Ten-year average | Firearm permits / quota | Muzzleloader permits / quota | CWD detected |
|---|---|---|---|---|---|
| 2025-26 | 954 | 827 | 1,446 / 1,500 | 166 / 215 | No |
| 2024-25 | 888 | 823 | 1,446 / 1,450 | 159 / 215 | No |
| 2023-24 | 864 | 822 | 1,425 / 1,425 | 174 / 215 | No |
| 2022-23 | 764 | 822 | 1,360 / 1,425 | 199 / 215 | No |
| 2021-22 | 740 | 860 | 1,386 / 1,425 | 194 / 215 | No |
Source: IDNR white-tailed deer county summaries (2021-22 to 2025-26 seasons), Warren County. Permit counts exclude landowner permits; archery and youth permits are statewide.
How much public land is in Warren County?
398 of Warren County's 347,516 acres are public land open to the public (0.1%). The biggest share is forest preserves, county and city land: 322 acres.
| Manager | Acres | Share of Warren County |
|---|---|---|
| Forest preserves, county and city land | 322 | 0.1% |
| Other IDNR and state land | 76 | under 0.1% |
| All public land open to the public | 398 | 0.1% |
Measured by FilledTag inside the county line from USGS PAD-US 4.1 (fee land open to the public) and IDNR's hunting area records. Hunting rules differ by manager: IDNR sites allow the seasons IDNR lists for each, some by permit or lottery only; national forest is open; refuges follow U.S. Fish and Wildlife Service rules; Corps of Engineers land is open in many places under each project's own rules; forest preserves and city land are closed to most hunting.
How do you get to Warren County?
Highways through it: US 67 (about 54 miles inside), IL 110 (about 37 miles inside), US 34 (about 37 miles inside), IL 164 (about 24 miles inside) and IL 116 (about 19 miles inside). Towns inside: Monmouth, Kirkwood, Roseville, Alexis, Little York and Cameron. Nearby: Prairie City (on the line), Avon (on the line), Raritan (2 miles) and North Henderson (2 miles).
Which counties border Warren County?
Warren County touches 5 other counties. Their latest IDNR harvest and public land, for comparison:
| County | Deer harvested | Year | Public land |
|---|---|---|---|
| Knox County | 2,339 | 2025 | 1.3% |
| Fulton County | 4,267 | 2025 | 5.7% |
| Mercer County | 1,716 | 2025 | 1.8% |
| Henderson County | 1,063 | 2025 | 3.7% |
| McDonough County | 1,607 | 2025 | 0.6% |
Questions hunters ask
How many deer were harvested in Warren County in 2025-26?
954, all seasons together (IDNR). In 2024-25: 888. The county record is 1,276, set in 2005.
Has chronic wasting disease been found in Warren County?
Not as of IDNR's 2025-26 county summary.
Is there public hunting land in Warren County?
398 acres, 0.1% of the county, are public land open to the public by USGS PAD-US 4.1 and IDNR's hunting area records, the largest share forest preserves, county and city land (322 acres).
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Where these numbers come from
- Deer harvest: IDNR white-tailed deer county summaries (2021-22 to 2025-26 seasons).
- Public land: USGS PAD-US 4.1 (fee land open to the public) and IDNR's hunting area records. IDNR hunting sites: IDNR land records: sites and hunting areas (OMLP, Prairie Research Institute).
- Boundaries: U.S. Census Bureau 2024 cartographic county boundaries. Highways and towns: U.S. Census Bureau TIGER/Line 2024 primary and secondary roads; U.S. Census Bureau 2024 Gazetteer, places.
FilledTag is not part of the Illinois Department of Natural Resources. Numbers are copied from IDNR and the federal sources above, or measured from their maps; nothing on this page is estimated by FilledTag.
Illinois hunting Knox County Fulton County Mercer County Henderson County McDonough County