Opportunity Zones in Winnebago County, Illinois: Map & Tract List
Map and list of Winnebago County, Illinois's Opportunity Zones: 30 census tracts on our Opportunity Zone tables, 30 eligible for OZ 2.0 and 5 fully or partly in a current (OZ 1.0, 2018) zone, with 11 designated on Treasury's final OZ 2.0 list (CDFI Fund; sb0682).
Winnebago County Opportunity Zone map
DesignatedEligibleSelect a tract to open its page. The table below is the text version.
Winnebago County, Illinois census tracts
| 2 | Designated | 17201000200 | No | Yes |
| 12 | Designated | 17201001200 | No | Yes |
| 18 | Designated | 17201001800 | No | Yes |
| 19 | Designated | 17201001900 | No | Yes |
| 21 | DesignatedOZ 1.0 | 17201002100 | Yes | Yes |
| 22 | Designated | 17201002200 | No | Yes |
| 23.01 | Designated | 17201002301 | No | Yes |
| 26 | DesignatedOZ 1.0 | 17201002600 | Yes | Yes |
| 28 | Designated | 17201002800 | No | Yes |
| 29 | Designated | 17201002900 | No | Yes |
| 36.05 | Designated | 17201003605 | No | Yes |
| 1.04 | Eligible | 17201000104 | No | Yes |
| 3 | Eligible | 17201000300 | No | Yes |
| 5.02 | Eligible | 17201000502 | No | Yes |
| 8 | Eligible | 17201000800 | No | Yes |
| 10 | EligibleOZ 1.0 | 17201001000 | Yes | Yes |
| 11 | Eligible | 17201001100 | No | Yes |
| 13 | Eligible | 17201001300 | No | Yes |
| 14 | Eligible | 17201001400 | No | Yes |
| 20 | Eligible | 17201002000 | No | Yes |
| 24 | Eligible | 17201002400 | No | Yes |
| 25 | EligibleOZ 1.0 | 17201002500 | Yes | Yes |
| 27 | Eligible | 17201002700 | No | Yes |
| 31 | Eligible | 17201003100 | No | Yes |
| 32 | EligibleOZ 1.0 | 17201003200 | Yes | Yes |
| 33 | Eligible | 17201003300 | No | Yes |
| 36.02 | Eligible | 17201003602 | No | Yes |
| 36.04 | Eligible | 17201003604 | No | Yes |
| 36.06 | Eligible | 17201003606 | No | Yes |
| 37.09 | Eligible | 17201003709 | No | Yes |
OZ 1.0: the 2018 CDFI Fund list matched to 2020 tracts (how we match). OZ 2.0 eligibility: IRS Rev. Proc. 2026-14 appendix and Treasury's September 2026 data. Designated: Treasury published the final list of designated Opportunity Zones on November 5, 2026 (CDFI Fund final designations file; Treasury sb0682); these tracts are designated effective January 1, 2027. Sortable list: Winnebago County tract list.
Other Illinois counties
- Cook County (506 tracts)
- Kane County (29 tracts)
- St. Clair County (29 tracts)
- Will County (27 tracts)
- Lake County (24 tracts)
- Peoria County (21 tracts)
- Madison County (20 tracts)
- Sangamon County (20 tracts)
Winnebago County, Illinois Opportunity Zones: FAQ
How many Opportunity Zones are in Winnebago County, Illinois?
5 of Winnebago County, Illinois's 2020 census tracts are fully (5) or partly in a current Opportunity Zone from the 2018 (OZ 1.0) map, which stays in effect through December 31, 2028. 30 tracts are eligible for OZ 2.0.
Which Winnebago County tracts are designated for OZ 2.0?
11 Winnebago County, Illinois tracts are designated on Treasury's final OZ 2.0 list (CDFI Fund final designations file; Treasury press release sb0682), effective January 1, 2027.
How do I check if an address in Winnebago County is in an Opportunity Zone?
Use the OZ 2.0 designation checker or the census tract lookup with the street address. Each tract in the table also links to its own page with its OZ 1.0 status, OZ 2.0 eligibility and designation status.