Illinois deer research / Johnson County
Johnson County, Illinois Deer Hunting Research
Southern IL region. FDR Deer Herd Index 29, ranked #100 of 102 Illinois counties. Built from IDNR public harvest records and the Trophy Index.
D - AverageWhat drives the Johnson County index
Five weighted components, each scored 0–100 against all Illinois counties.
Trophy Index
63→ out of 100. How this county ranks for trophy bucks against every county we cover. 100 is the top. Ranked per acre of bow-huntable land (10 m estimate).
2005–2024 harvest trend
| Season | Archery | Firearm | Total |
|---|---|---|---|
| 2024 | 842 | 1,173 | 2,015 |
| 2023 | 849 | 1,168 | 2,017 |
| 2022 | 857 | 1,289 | 2,146 |
| 2021 | 796 | 1,222 | 2,018 |
| 2020 | 868 | 1,394 | 2,262 |
| 2019 | 784 | 1,482 | 2,266 |
| 2018 | 666 | 1,636 | 2,302 |
| 2017 | 677 | 1,678 | 2,355 |
| 2016 | 631 | 1,725 | 2,356 |
| 2015 | 670 | 1,839 | 2,509 |
| 2014 | 784 | 1,646 | 2,430 |
| 2013 | 761 | 1,494 | 2,255 |
| 2012 | 638 | 1,813 | 2,451 |
| 2011 | 699 | 2,067 | 2,766 |
| 2010 | 721 | 2,024 | 2,745 |
| 2009 | 612 | 2,094 | 2,706 |
| 2008 | 661 | 2,101 | 2,762 |
| 2007 | 671 | 2,165 | 2,836 |
| 2006 | 601 | 2,099 | 2,700 |
| 2005 | 647 | 2,060 | 2,707 |
Totals are IDNR's all-season county harvest; firearm includes the youth, muzzleloader and late-winter seasons. Source: Hunt Illinois county deer harvest. Buck density: Johnson County averages 3.28 adult bucks harvested per 1,000 huntable acres (2005-2024).
See full Johnson County harvest charts →
Harvest by sex
IDNR records each harvested deer by sex. In 2024, Johnson County ran 1,121 bucks (males) and 894 does (females): 55.6% bucks.
| Season | Bucks (M) | Does (F) | Total | % bucks |
|---|---|---|---|---|
| 2024 | 1,121 | 894 | 2,015 | 55.6% |
| 2023 | 1,117 | 900 | 2,017 | 55.4% |
| 2022 | 1,145 | 1,001 | 2,146 | 53.4% |
| 2021 | 1,125 | 893 | 2,018 | 55.7% |
| 2020 | 1,256 | 1,006 | 2,262 | 55.5% |
| 2019 | 1,244 | 1,022 | 2,266 | 54.9% |
| 2018 | 1,368 | 934 | 2,302 | 59.4% |
| 2017 | 1,372 | 983 | 2,355 | 58.3% |
| 2016 | 1,292 | 1,064 | 2,356 | 54.8% |
| 2015 | 1,374 | 1,135 | 2,509 | 54.8% |
| 2014 | 1,361 | 1,069 | 2,430 | 56% |
| 2013 | 1,287 | 968 | 2,255 | 57.1% |
| 2012 | 1,332 | 1,119 | 2,451 | 54.3% |
| 2011 | 1,416 | 1,350 | 2,766 | 51.2% |
| 2010 | 1,388 | 1,357 | 2,745 | 50.6% |
| 2009 | 1,429 | 1,277 | 2,706 | 52.8% |
| 2008 | 1,467 | 1,295 | 2,762 | 53.1% |
| 2007 | 1,529 | 1,307 | 2,836 | 53.9% |
| 2006 | 1,567 | 1,133 | 2,700 | 58% |
| 2005 | 1,535 | 1,172 | 2,707 | 56.7% |
See full Johnson County sex-composition chart →
Age structure
IDNR classifies each deer as adult, yearling (1.5-yr), or fawn. In 2024, Johnson County ran 68.2% adult, 20% yearling, and 11.9% fawn. A higher adult share points to a more mature age structure.
| Season | Adult | Yearling | Fawn | Total |
|---|---|---|---|---|
| 2024 | 1,374 | 402 | 239 | 2,015 |
| 2023 | 1,326 | 438 | 253 | 2,017 |
| 2022 | 1,434 | 413 | 299 | 2,146 |
| 2021 | 1,346 | 379 | 293 | 2,018 |
| 2020 | 1,544 | 466 | 252 | 2,262 |
| 2019 | 1,474 | 498 | 294 | 2,266 |
| 2018 | 1,417 | 557 | 328 | 2,302 |
| 2017 | 1,411 | 552 | 392 | 2,355 |
| 2016 | 1,491 | 514 | 351 | 2,356 |
| 2015 | 1,571 | 562 | 376 | 2,509 |
| 2014 | 1,464 | 509 | 457 | 2,430 |
| 2013 | 1,386 | 532 | 337 | 2,255 |
| 2012 | 1,460 | 542 | 449 | 2,451 |
| 2011 | 1,635 | 595 | 536 | 2,766 |
| 2010 | 1,650 | 556 | 539 | 2,745 |
| 2009 | 1,661 | 546 | 499 | 2,706 |
| 2008 | 1,691 | 538 | 533 | 2,762 |
| 2007 | 1,707 | 518 | 611 | 2,836 |
| 2006 | 1,657 | 543 | 500 | 2,700 |
| 2005 | 1,576 | 587 | 539 | 2,702 |
Age class is IDNR's field classification at check-in, not a lab-aged tooth-wear cohort; treat it as a directional maturity signal.
See full Johnson County composition charts →
Seasons & access
| Season | Method | Dates | Tags |
|---|---|---|---|
| Archery · Oct 1 to mid-Jan | archery | 2026-10-01 → 2027-01-17 | otc |
| Firearm · 1st + 2nd Shotgun Season | firearm | 2026-11-20 → 2026-12-06 | otc |
| Muzzleloader · December | muzzleloader | 2026-12-11 → 2026-12-13 | otc |
Bow-huntable land, public and private: 183,303 acres (10 m estimate). Verify current season dates, permits, and site-specific rules with IDNR before hunting.
Where to hunt public in Johnson County
Full list on the Illinois public hunting land directory.
See Johnson County on the map
Parcels with owner & acreage, public hunting land with regs, access points, leaf-off imagery, and this research, together on one hunting map.
Nearby counties
Frequently asked questions
Is Johnson County, Illinois good for deer hunting?
Johnson County scores 29 of 100 on the FDR Deer Herd Index (D - Average), ranked #100 of 102 Illinois counties. The index is built from IDNR public harvest records, habitat, herd quality, momentum, and trophy history (the Trophy Index).
What is the Trophy Index for Johnson County?
Johnson County has a Trophy Index of 63 out of 100. How this county ranks for trophy bucks against every county we cover. 100 is the top. Ranked per acre of bow-huntable land (10 m estimate).
Is there public hunting land in Johnson County, Illinois?
Yes: the Illinois public hunting land directory lists 6 sites in Johnson County, including Shawnee National Forest, Ferne Clyffe State Park, Farm Service Agency Interest Of Il. Always verify current site regulations and permit requirements before hunting.
How many deer were harvested in Johnson County last season?
IDNR records show 2,015 deer harvested in Johnson County in 2024, the most recent reported season.