Data Centers & Crypto Mining in Illinois (2026)
18 rules on the books across Illinois, 10 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Data Center Zoning & Siting
Where data centers may be built, including the zoning districts that allow them, conditional-use-permit requirements, residential setback and buffer distances, and lot-size or acreage minimums.
Aurora
Significant RestrictionsAurora, Illinois confines data centers to a conditional use in Office, Research, Light Industrial and Industrial zones…
Read full rule →Champaign County
Significant RestrictionsIn unincorporated Champaign County, a DATA CENTER is allowed only as a special use in the AG-2, B-4 and I-1 zoning…
Read full rule →Naperville
Significant RestrictionsNaperville allows data centers only as a conditional use in the ORI Office, Research and Light Industry district…
Read full rule →Peoria
Significant RestrictionsPeoria's Unified Development Code permits data centers in only four zoning districts, the O-2 office district and the…
Read full rule →Sangamon County
Significant RestrictionsData centers need a Conditional Permitted Use petition and must meet a 100-foot height cap, a 150-foot perimeter…
Read full rule →Bloomington
Some RestrictionsBloomington regulates large data centers under City Code § 44-1048, requiring administrative site plan approval…
Read full rule →Champaign
Some RestrictionsChampaign allows data centers as a provisional use in its I1 and I2 industrial districts, but requires the principal…
Read full rule →DuPage County
Some RestrictionsUnincorporated DuPage zones data processing and computer centers as a by-right use only in the O-R Office Research…
Read full rule →Mclean County
Some RestrictionsAny data center built in unincorporated McLean County must satisfy the siting standards written into the zoning code's…
Read full rule →Data Center Noise Limits
Decibel caps on data-center cooling and backup-generator noise at the property line, how and when noise is measured, tighter nighttime limits, and how communities enforce them against continuous hum.
Aurora
Some RestrictionsAurora, Illinois (Kane County) caps new data center noise at 57 dB(A) daytime and 47 dB(A) nighttime, measured at the…
Read full rule →Champaign County
Some RestrictionsChampaign County ties data center noise to state law. Zoning Ordinance Section 6.1.3 requires every DATA CENTER to…
Read full rule →Mclean County
Some RestrictionsData centers in unincorporated McLean County must meet noise limits set by the Illinois Pollution Control Board, not a…
Read full rule →Peoria
Some RestrictionsData centers in Peoria cannot exceed the noise levels set for industrial districts, and operators must prove it…
Read full rule →Sangamon County
Some RestrictionsData centers sited in unincorporated Sangamon County can't exceed 50 decibels at the property line when adjacent to a…
Read full rule →Winnebago County
Few RestrictionsWinnebago County's noise ordinance exempts industrial noise, including data center equipment, from its nighttime sound…
Read full rule →Data Center Moratoriums
Temporary pauses or outright bans on new data-center development while a locality studies impacts, including moratorium length, what triggers one, and which projects are grandfathered in.
Crypto Mining Rules
Local ordinances aimed at cryptocurrency-mining operations, focused on noise nuisance, setbacks, and permitting, a fast-growing fight in rural counties near cheap power.
Aurora
Significant RestrictionsCryptocurrency mining operates under Aurora's Data Center Facility use (3305) and needs a conditional use permit in…
Read full rule →Peoria
Significant RestrictionsPeoria's zoning code folds cryptocurrency mining into its Data Center use category, and a data center is only allowed…
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