Data Centers & Crypto Mining in Sangamon County, IL (2026)
2 rules for unincorporated Sangamon County, Illinois.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Sangamon County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Data Center Zoning & Siting
Data centers need a Conditional Permitted Use petition and must meet a 100-foot height cap, a 150-foot perimeter setback, and up to 750 feet of separation from nearby homes.
Sangamon County Data Center Siting Rules
Significant RestrictionsSangamon County Code § 17.39.020(A)-(B)
A. Height. Shall not exceed one hundred (100) feet including any roof-mounted equipment or antennas. B. Setbacks. 1. Perimeter Setback: The front, side, and rear yard setbacks shall be a minimum of one hundred fifty (150) feet from the property lines which form the outside perimeter of a Data Center Project Area. 2. Residential Structure Setback: Data Centers of twenty-five (25) feet or ...
Data Center Noise Limits
Data centers sited in unincorporated Sangamon County can't exceed 50 decibels at the property line when adjacent to a home or residential district.
Sangamon County Data Center Noise Cap
Some RestrictionsSangamon County Code § 17.39.020(F)
F. Noise. Noise levels measured at the property line shall not exceed fifty (50) decibels when located adjacent to an existing residence or residential district. Noise levels shall be enforced by both the State of Illinois and Sangamon County. G. Battery Energy Storage Systems (BESSs) may be considered an accessory use to the development. A BESS and a Data Center may be located on the same p...
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