Wisconsin had 120 Opportunity Zones designated in 2018. Treasury lists 308 Wisconsin census tracts as eligible for the 2027 round. No 2027 nomination or designation list for Wisconsin was published in an official source as of Oct 30, 2026.
- 2018 zones
- 120
- Of which rural
- 45
- Eligible for 2027
- 308
- Most it can designate
- 77
- 2027 status
- No list published
- 2018 Opportunity Zone
- Eligible for the 2027 round
- Nominated for 2027
- Certified for 2027
What changes for Wisconsin in 2027
The 2018 designations stay in effect through December 31, 2028. New designations take effect January 1, 2027 and run ten years. The state may designate at most 77 of its 308 eligible tracts. Read how the 2027 round works and how a tract qualifies.
Counties
| County | 2018 zones | Eligible for 2027 | Eligible, rural |
|---|---|---|---|
| Milwaukee County | 37 | 153 | 0 |
| Dane County | 11 | 25 | 0 |
| Rock County | 5 | 8 | 4 |
| Brown County | 4 | 10 | 0 |
| Winnebago County | 4 | 10 | 0 |
| Kenosha County | 3 | 11 | 0 |
| Racine County | 3 | 9 | 0 |
| Wood County | 3 | 4 | 4 |
| Eau Claire County | 3 | 3 | 0 |
| La Crosse County | 2 | 8 | 0 |
| Manitowoc County | 2 | 4 | 4 |
| Portage County | 2 | 4 | 4 |
| Sawyer County | 2 | 4 | 4 |
| Barron County | 2 | 2 | 2 |
| Douglas County | 2 | 2 | 0 |
| Marathon County | 2 | 2 | 2 |
| Marinette County | 2 | 2 | 2 |
| Sheboygan County | 2 | 2 | 2 |
| Walworth County | 2 | 2 | 2 |
| Vilas County | 2 | 1 | 1 |
| Jefferson County | 2 | 0 | 0 |
| Fond du Lac County | 1 | 4 | 4 |
| Outagamie County | 1 | 4 | 0 |
| Columbia County | 1 | 3 | 3 |
| Crawford County | 1 | 2 | 2 |
| Langlade County | 1 | 2 | 2 |
| Price County | 1 | 2 | 2 |
| Shawano County | 1 | 2 | 2 |
| Waukesha County | 1 | 2 | 0 |
| Ashland County | 1 | 1 | 1 |
| Dodge County | 1 | 1 | 1 |
| Dunn County | 1 | 1 | 1 |
| Grant County | 1 | 1 | 1 |
| Oneida County | 1 | 1 | 1 |
| Pierce County | 1 | 1 | 1 |
| Rusk County | 1 | 1 | 1 |
| Sauk County | 1 | 1 | 1 |
| Vernon County | 1 | 1 | 1 |
| Washburn County | 1 | 1 | 1 |
| Chippewa County | 1 | 0 | 0 |
| Green County | 1 | 0 | 0 |
| Green Lake County | 1 | 0 | 0 |
| Lincoln County | 1 | 0 | 0 |
| Richland County | 1 | 0 | 0 |
| Adams County | 0 | 5 | 5 |
| Buffalo County | 0 | 1 | 1 |
| Florence County | 0 | 1 | 1 |
| Menominee County | 0 | 1 | 1 |
| Monroe County | 0 | 1 | 1 |
| Oconto County | 0 | 1 | 1 |
| Polk County | 0 | 1 | 1 |
2018 zone tracts, by county
Ashland County 1
Barron County 2
Chippewa County 1
Columbia County 1
Crawford County 1
Dane County 11
Dodge County 1
Douglas County 2
Dunn County 1
Eau Claire County 3
Fond du Lac County 1
Grant County 1
Green County 1
Green Lake County 1
Jefferson County 2
Kenosha County 3
La Crosse County 2
Langlade County 1
Lincoln County 1
Manitowoc County 2
Marathon County 2
Marinette County 2
Milwaukee County 37
- Tract 55079000101
- Tract 55079000102
- Tract 55079000201
- Tract 55079001200
- Tract 55079001300
- Tract 55079002100
- Tract 55079002400
- Tract 55079002500
- Tract 55079004100
- Tract 55079004700
- Tract 55079006300
- Tract 55079006500
- Tract 55079006900
- Tract 55079008900
- Tract 55079009800
- Tract 55079009900
- Tract 55079011300
- Tract 55079013500
- Tract 55079013700
- Tract 55079014100
- Tract 55079014900
- Tract 55079015700
- Tract 55079015800
- Tract 55079015900
- Tract 55079016200
- Tract 55079016500
- Tract 55079016700
- Tract 55079016800
- Tract 55079021600
- Tract 55079100200
- Tract 55079110100
- Tract 55079170600
- Tract 55079185400
- Tract 55079185600
- Tract 55079186000
- Tract 55079186500
- Tract 55079186800
Oneida County 1
Outagamie County 1
Pierce County 1
Portage County 2
Price County 1
Racine County 3
Richland County 1
Rusk County 1
Sauk County 1
Sawyer County 2
Shawano County 1
Sheboygan County 2
Vernon County 1
Vilas County 2
Walworth County 2
Washburn County 1
Waukesha County 1
Winnebago County 4
Wood County 3
State income tax treatment of Opportunity Zone gains varies; see state tax conformity.
Data sources
- IRS Notice 2018-48 - Designated Qualified Opportunity Zones (official list) (retrieved Oct 30, 2026)
- IRS Notice 2019-42 - Amplification of Notice 2018-48 (two added Puerto Rico QOZs) (retrieved Oct 30, 2026)
- CDFI Fund - Designated Qualified Opportunity Zones (list updated Dec 14, 2018) (retrieved Oct 30, 2026)
- IRS Notice 2025-50 - 2018 QOZs comprised entirely of a rural area (Appendix) (retrieved Oct 30, 2026)
- IRS Rev. Proc. 2026-14 - Nomination of 2027 QOZs (retrieved Oct 30, 2026)
- IRS Rev. Proc. 2026-14 Appendix - LICs eligible for nomination as 2027 QOZs (retrieved Oct 30, 2026)
- Treasury OTA - Eligible LICs for Nomination as 2027 QOZs, data transparency file (Sept 2026) (retrieved Oct 30, 2026)
- Treasury OTA - Eligibility Criteria for 2027 QOZs (Sept 2026) (retrieved Oct 30, 2026)
- Census Bureau 2020 Census Tract to 2010 Census Tract Relationship File (national) (retrieved Oct 30, 2026)
- ACS 2020-2024 5-year, B19113 Median family income (retrieved Oct 30, 2026)
- ACS 2020-2024 5-year, B17001 Poverty status in the past 12 months (retrieved Oct 30, 2026)
Every source file, with its retrieval date and checksum, is listed in sources.json.
Common questions
How many Opportunity Zones are in Wisconsin?
Wisconsin had 120 census tracts designated as Opportunity Zones in 2018, of which 45 are on the IRS list of rural zones (Notice 2025-50). Those designations run through December 31, 2028.
Which Wisconsin tracts are eligible for the 2027 Opportunity Zone round?
Treasury lists 308 Wisconsin census tracts as eligible for designation in the 2027 round under the new low-income community test. No 2027 nomination or designation list for Wisconsin was published in an official source as of Oct 30, 2026.
How do I check whether a Wisconsin property is in an Opportunity Zone?
Use the address lookup on this site. It geocodes the address with the Census Bureau and checks it against both the 2018 zones and the 2027 list, and links the official source for each answer.