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Macon County, IL Right to Farm: Agricultural Zoning Protection (2026)

Few Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Exemption
No zoning permit for ag land/buildings, § 155.005
Condition
Must still meet building/setback lines
District purpose
A1 encourages farming as principal use, § 155.100(B)
Minimum tract
10 acres for most A1 permitted uses
Exemption ends
When land stops being used solely for agriculture

Summary

Macon County's zoning code doesn't reach land used for agricultural purposes: § 155.005 exempts farming, farm buildings, and related structures from the chapter's permit and use requirements, so long as they meet building and setback lines. Once a parcel stops being used solely for agriculture, the exemption ends.

These county ordinances apply to unincorporated areas of Macon County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Nothing contained in these regulations shall impose restrictions or require a permit with respect to land zoned or to be used for agricultural purposes, or with respect to the erection, maintenance, repair, alterations, remodeling, or extension of buildings or structures used or to be used for agricultural purposes upon the land, except that the buildings or structures for agricultural purposes shall conform to building or setback lines; nor shall these regulations be deemed to specify or regulate the type or locations of any poles, towers, wires, cables, conduits, vaults, laterals, or any other similar distributing equipment of a public utility as defined in the act entitled An Act Concerning Public Utilities, being 220 ILCS 5/1-101 et seq.

Full Breakdown

005 EXCLUSIONS is the provision that keeps the county's zoning chapter, Chapter 155, out of the way of working farms in the unincorporated county. It provides that nothing in the zoning regulations imposes restrictions or requires a permit for land zoned or used for agricultural purposes, or for erecting, maintaining, repairing, altering, remodeling, or extending agricultural buildings and structures on that land, with one condition: those buildings and structures still have to conform to the county's building or setback lines. 048(A)(1), which repeats that agricultural land and buildings are outside the chapter's permit requirements until the land ceases to be used solely for agricultural purposes, at which point the zoning chapter applies in full.

100, backs the exemption with an explicit purpose clause: the district exists to encourage agricultural and related uses as the principal use of the land, prevent the mixing of urban and rural uses that creates conflict and pushes higher tax burdens onto farmland, and stop the premature end of agricultural operations. Permitted A1 uses on a ten-acre minimum tract include farming and its usual buildings, truck and flower gardening, nurseries, orchards, greenhouses, and roadside stands selling only farm products grown on the premises. 005 separately places outside the chapter's reach as well.

Violations & Fines

Because § 155.005 removes agricultural land and structures from the zoning chapter's permit and use requirements, there is no zoning violation or § 155.999 penalty exposure for ordinary farm buildings and operations that meet the building and setback lines. The exemption ends the moment a parcel stops being used solely for agriculture, after which any nonconforming use or structure becomes subject to the full chapter, including its $500-per-offense general penalty.

Frequently Asked Questions

Do I need a zoning permit to build a barn on my farm in unincorporated Macon County?
No. Section 155.005 exempts land used for agricultural purposes, and the buildings on it, from the zoning chapter's permit and use requirements, as long as the structure still conforms to the county's building and setback lines.
Does the agricultural exemption cover my whole property forever?
Only while the land is used solely for agriculture. Section 155.048(A)(1) says the zoning chapter's provisions apply in full once the land ceases to be used solely for agricultural purposes.
What is the minimum lot size to farm in the A1 Agricultural District?
Most permitted A1 uses, including farming, gardening, and roadside stands selling farm products grown on-site, require a ten-acre minimum tract under § 155.100(C)(1), though certain pre-1970 residential uses are allowed on smaller one-acre tracts.
What is the purpose of the A1 Agricultural District?
Section 155.100(B) states its goal is to encourage agriculture as the principal land use, prevent conflicts between urban and rural uses, and stop unbalanced tax burdens and premature termination of farming caused by mixing incompatible uses.

Sources & Official References

Other rules in Macon County

All Macon County rules

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