Fayette County GIS Maps

Fayette County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Fayette County Parcels

Fayette County has 21,432 mapped parcels covering 454,742 acres. The median assessed value is $15,612. The median lot size is 20.00 acres. 10,688 parcels are 10 acres or larger. Farmland without improvements account for 38.7% of parcels. Residential improved follows at 28.6% and farm with improvements at 14.3%. The records carry 10,066 distinct owner names. About 6% of parcels list an owner mailing address outside Illinois. Owner names, mailing addresses, assessed values and lot sizes are on nearly every parcel. Site addresses reach 94.6%. Browse the interactive Fayette County Parcel viewer here.

Fayette County Parcel Data Coverage

Field coverage measured across all Fayette County parcel records. Download free sample data here.

Fayette County Population

Fayette County had 21,488 residents in 2020. That was 2.9% lower than in 2010. Fayette County had 314 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 30 people per square mile. Some of the county's most populated postal areas include Vandalia, Ramsey and Saint Elmo.

Population Trend in Fayette County IL

Fayette County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Fayette County Zip Codes

Fayette County has 9 zip codes. Some of the county's most populated zip codes include Vandalia (62471), Ramsey (62080) and Saint Elmo (62458). Vandalia is the largest zip by population, with about 10,530 residents or 49% of the county total. Together, the three largest zips account for about 69% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Fayette County IL

Fayette County Zip Code populations and trends per most recent census data.

Fayette County Demographics

Fayette County has a median age of 41.7, which makes the county a little older than Illinois overall. About 20.5% of residents are under 18, while 19.2% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 31.3% of the population, which points to a solid working-age base. About 16.6% of adults have a bachelor's degree or higher, above the statewide figure of 37.2%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Fayette County IL

Fayette County School Districts

Fayette County is served by 9 public school districts with 4,474 students enrolled in 2024. The largest districts on the county map are Vandalia Community Unit 203, South Central Community Unit 401 and Brownstown Community Unit 201. Those three districts account for about 56% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Fayette County IL

Fayette County school district enrollment and trends per most recent NCES reporting data.

Fayette County Housing & Real Estate

Fayette County has a median home value of $114,700 and a median gross rent of $740. About 80% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Illinois median, while rents come in below the state average. In March 2026, the median listing price was $144,375 and homes spent about 110 days on the market.

Businesses in Fayette County, IL

Fayette County has 843 business listings across 280 categories. The largest categories in Fayette County business listings are Churches & Religious Organizations (43, 5.1%), Gas Stations (17, 2.0%), and Convenience Stores (15, 1.8%). The full Fayette County business listings dataset includes names, categories, addresses and contact details where available. Fayette County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Fayette County, IL

Fayette County Business Listings

Fayette County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Fayette County Basemaps

Fayette County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Illinois — explore the full structure before you buy.