Illinois

Buying Land in McDonough County, Illinois

McDonough County, seat Macomb, is west-central Illinois farm country built around Western Illinois University -- a university whose enrollment has fallen by more than half since 2015, visibly reshaping property values and the local economy in and around Macomb. County-level zoning administration here is less clearly documented than in most Illinois counties covered on this site, so confirming directly with the county matters more than usual for a specific parcel.

County-Level Zoning Administration Is Not Clearly Documented

Case-by-case / verify locally

McDonough County has a County Board with a standing committee (HR & Planning) that appears to handle planning matters, but this research pass could not confirm a separate, dedicated county Zoning Administrator office the way it could for most other Illinois counties covered on this site. If you're evaluating unincorporated land, confirm zoning status directly with the county rather than assuming a Livingston- or Mason-County-style comprehensive zoning department exists. Land inside Macomb city limits falls under the city's own, well-documented municipal zoning through its Office of Community Development instead.

A University Town Working Through a Major Enrollment Shock

Case-by-case / verify locally

Western Illinois University's enrollment fell from roughly 11,094 students in fall 2015 to 6,332 in fall 2024 -- and further, to about 5,337 in the most recent reporting found in this research pass. Local reporting describes Macomb's population dropping by nearly 40% from its peak, business closures, and stagnant property values, alongside active efforts by city officials to diversify the local economy. This is worth factoring into any expectation about property-value trends or local rental/resale demand tied to the university.

Well and Septic Permitting Runs Through One County Health Department

Generally favorable

The McDonough County Health Department in Macomb handles both water well permits and private sewage disposal permits, including inspection of plats proposed for subdivision on behalf of the County Plat Officer.

Zoning: well-documented in Macomb, less clear at the county level

The City of Macomb, McDonough County's seat and largest city, administers its own municipal zoning ordinance through its Office of Community Development, which handles permitting, zoning administration, land-use regulation, and historic preservation within the city's corporate limits. For unincorporated McDonough County, though, this research pass could not locate the kind of clearly documented, dedicated zoning department that most other Illinois counties covered on this site maintain. The McDonough County Board (21 members elected from 3 County Board Districts) conducts business through standing committees -- including one labeled "HR & Planning" in available committee-assignment documentation -- that appears to be where planning-related matters are handled at the county level, but a specific zoning-administrator title, adopted-ordinance date, or fee schedule could not be independently confirmed, since direct WebFetch access to the county's own site was blocked by a network egress restriction throughout this research pass.

Under Illinois's general framework, county zoning authority (55 ILCS 5 Division 5-12) would apply to unincorporated McDonough County land if the county has adopted an ordinance, while incorporated cities and villages -- Macomb, Bushnell, Colchester, Industry, and others -- apply their own municipal rules within their limits. If you're evaluating a specific unincorporated parcel, treat zoning as a call-first item: confirm current status, permitted uses, and any applicable rules directly with the McDonough County Board office at the courthouse before relying on an assumption.

The county's real distinctive: a university town working through a major enrollment shock

McDonough County's economy is built substantially around Western Illinois University, and WIU has gone through a dramatic enrollment decline over the past decade. Fall enrollment fell from roughly 11,094 students in 2015 to 6,332 in 2024, and further to about 5,337 in the most recent figure found in this research pass -- down from a peak near 10,000 in 2006, with rural-student enrollment specifically down 48% over the last decade per one report. The university has cut its budget by more than $25 million, cut academic programs, and laid off faculty and staff.

That contraction has been visible in Macomb itself: local reporting describes the city's population dropping by nearly 40% from its peak, local business closures, and property values that have stagnated even as a larger-than-average share of residents hold college degrees, with the local poverty rate remaining stubbornly high. City officials are described as actively working to diversify Macomb's economy rather than relying primarily on WIU as the area's largest employer. If you're buying land or a home in or near Macomb specifically for investment, rental income, or resale purposes, this enrollment-driven economic backdrop is worth factoring into your expectations for demand and appreciation -- it's a different calculus than buying in a county whose economy isn't concentrated around a single, currently-contracting institution.

Septic, well, GIS, and other departments to know

The McDonough County Health Department, at 505 E. Jackson St. in Macomb, handles both water well permits (under the county's Water Well Permit and Water Supply Ordinance, with plan review and site evaluation before a permit to construct a new well is issued) and private sewage disposal permits, including inspecting plats proposed for subdivision on request of the County Plat Officer to confirm whether a potable water supply and septic system are feasible. This dual well-and-septic role in one office is worth noting since it means the same department needs to sign off on both systems for any new rural building project.

The McDonough County Clerk, Recorder, and Assessor's Office all operate out of the McDonough County Courthouse at 1 Courthouse Square in Macomb -- the Recorder's office (reachable through the County Clerk) is where deeds, easements, and plats for a specific parcel are filed, and GIS parcel maps are available through the county's online GIS portal. University of Illinois Extension serves McDonough County jointly with Henderson, Knox, and Warren Counties.

What we could and couldn't confirm

McDonough County's county-board committee structure (21 members, 3 districts, an 'HR & Planning' standing committee) is drawn from the county's own committee-assignment and county-board pages via search indexing; this research pass could NOT confirm a dedicated county Zoning Administrator office, an adopted zoning-ordinance date, or a fee schedule the way it could for most other Illinois counties covered on this site, since direct WebFetch access to mcg.mcdonough.il.us was blocked by a network egress restriction throughout this research pass -- this is flagged explicitly rather than assumed. The City of Macomb's own municipal zoning administration through its Office of Community Development is comparatively well documented and is described accordingly. WIU enrollment figures (11,094 in 2015, 6,332 in 2024, roughly 5,337 most recently, a 2006 peak near 10,000, the 48%-rural-enrollment-decline figure, and the $25 million-plus budget cut) are drawn from KWQC and Quad-City Times (qconline.com) news reporting; Macomb's roughly 40% population decline from its peak and the local economic-diversification narrative are drawn from WGEM reporting. This research pass caught and corrected a specific address error: an initial search result for the McDonough County Health Department returned a Quincy, IL address (325 South 8th Street, Suite G) that does not belong to this department -- the correct Macomb address (505 E. Jackson St.) is used throughout this page, confirmed via Yelp and Facebook business listings.

Verify directly with: the McDonough County Board office at the county courthouse for current zoning status and permitted uses on a specific unincorporated parcel, the City of Macomb Office of Community Development for parcels inside city limits, and the McDonough County Health Department (309-837-9951) for well and septic permitting

Who to Call Before Buying Land in McDonough County

Direct WebFetch access to mcg.mcdonough.il.us was blocked by a network egress restriction throughout this research pass, and this research pass could not confirm whether McDonough County maintains a dedicated zoning department separate from its County Board committee structure -- confirm current zoning status, staff, hours, and fees directly with the county before relying on this page for a specific parcel. Note also that an initial search result returned an incorrect Quincy, IL address for the McDonough County Health Department; the correct address (505 E. Jackson St., Macomb) is used above.

Planning & Zoning

McDonough County Board

Zoning and planning questions for unincorporated McDonough County -- confirm current zoning status directly, since this research pass could not confirm a separate, dedicated county zoning department.

Phone: 309-833-2474Official website →

Planning & Zoning