Winnebago County, Illinois Opportunity Zone census tracts

Updated October 14, 2026

Winnebago County, Illinois has 30 census tracts eligible for OZ 2.0 and 5 2020 tracts fully or partly in a current (2018) Opportunity Zone. Illinois has not filed its OZ 2.0 nominations yet. Sources: IRS Rev. Proc. 2026-14 appendix (eligibility) and the CDFI Fund 2018 list (current zones).

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1.04	17201000104	Yes	No	Pending: state has not filed
2	17201000200	Yes	No	Pending: state has not filed
3	17201000300	Yes	No	Pending: state has not filed
5.02	17201000502	Yes	No	Pending: state has not filed
8	17201000800	Yes	No	Pending: state has not filed
10	17201001000	Yes	Yes	Pending: state has not filed
11	17201001100	Yes	No	Pending: state has not filed
12	17201001200	Yes	No	Pending: state has not filed
13	17201001300	Yes	No	Pending: state has not filed
14	17201001400	Yes	No	Pending: state has not filed
18	17201001800	Yes	No	Pending: state has not filed
19	17201001900	Yes	No	Pending: state has not filed
20	17201002000	Yes	No	Pending: state has not filed
21	17201002100	Yes	Yes	Pending: state has not filed
22	17201002200	Yes	No	Pending: state has not filed
23.01	17201002301	Yes	No	Pending: state has not filed
24	17201002400	Yes	No	Pending: state has not filed
25	17201002500	Yes	Yes	Pending: state has not filed
26	17201002600	Yes	Yes	Pending: state has not filed
27	17201002700	Yes	No	Pending: state has not filed
28	17201002800	Yes	No	Pending: state has not filed
29	17201002900	Yes	No	Pending: state has not filed
31	17201003100	Yes	No	Pending: state has not filed
32	17201003200	Yes	Yes	Pending: state has not filed
33	17201003300	Yes	No	Pending: state has not filed
36.02	17201003602	Yes	No	Pending: state has not filed
36.04	17201003604	Yes	No	Pending: state has not filed
36.05	17201003605	Yes	No	Pending: state has not filed
36.06	17201003606	Yes	No	Pending: state has not filed
37.09	17201003709	Yes	No	Pending: state has not filed

Check a street address with the OZ 2.0 eligibility checker · All Illinois counties · Illinois OZ 2.0 page · Nomination tracker

FAQ

Which Winnebago County, Illinois census tracts are Opportunity Zones?

Is an eligible tract an Opportunity Zone?

Not yet. Eligible tracts can be nominated by the governor; certified OZ 2.0 designations take effect January 1, 2027. Current (2018) zones remain in effect through December 31, 2026 for new investments under the original rules.

2018 zones were matched from 2010 to 2020 tracts (how we match). Not tax advice.