Madison County GIS Maps
Madison County, Missouri, has 12,626 residents and covers 494.4 square miles. The population grew 3.3% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Madison County is 29123.
Fredericktown is the county's largest population center. Madison County also includes 2 zip codes, 4 public school districts and 20 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Madison County Trends
- Population
- 12,626▴
- Median Home Value
- $155,900▴
- K-12 Enrollment
- 3,843▴
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Madison 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.
Madison County Population
Madison County had 12,626 residents in 2020. That was 3.3% higher than in 2010. Madison County added 826 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 26 people per square mile. Two of the county's most populated postal areas are Fredericktown and Marquand.
Population Trend in Madison County MO
Madison County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Madison County Zip Codes
Madison County has 2 zip codes. Two of the county's most populated zip codes are Fredericktown (63645) and Marquand (63655). Fredericktown is the largest zip by population, with about 11,991 residents or 95% of the county total. Together, the three largest zips account for about 105% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Madison County MO
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 63645 | Fredericktown | 11,991 | ▴ 5% |
| 63655 | Marquand | 1,242 | ▾ -18.5% |
| Download all zip code data | |||
Madison County Zip Code populations and trends per most recent census data.
Madison County Demographics
Madison County has a median age of 41.4, which makes the county a little older than Missouri overall. About 23.5% of residents are under 18, while 19% 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 29.5% of the population, which points to a solid working-age base. About 15.3% of adults have a bachelor's degree or higher, above the statewide figure of 31.9%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Madison County MO
Median Age
41.4
Under 18
23.5%
Age 65+
19%
Bachelor's+
15.3%
Madison County School Districts
Madison County is served by 4 public school districts with 3,843 students enrolled in 2024. The largest districts on the county map are Fredericktown R-I, Arcadia Valley R-II and Clearwater R-I. Those three districts account for about 97% 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 Madison County MO
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Fredericktown R-I School District | 1,883 | 49% | ▴ 4.6% |
| Arcadia Valley R-II School District | 974 | 25.3% | ▾ -1.8% |
| Clearwater R-I School District | 858 | 22.3% | ▾ -3.1% |
| Marquand-Zion R-VI School District | 128 | 3.3% | ▾ -2.3% |
| Download all school district data | |||
Madison County school district enrollment and trends per most recent NCES reporting data.
Madison County Housing & Real Estate
Madison County has a median home value of $155,900 and a median gross rent of $817. About 75% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Missouri median, while rents come in below the state average. In March 2026, the median listing price was $219,300 and homes spent about 66 days on the market.
Madison County Housing Mix
Madison County housing mix: owner, renter and vacant units.
Madison County Housing Trends
Madison County median home value and rent trend (last 5 years).
Businesses in Madison County, MO
Madison County has 524 business listings across 216 categories. The largest categories in Madison County business listings are Churches & Religious Organizations (25, 4.8%), Structure And Geography (15, 2.9%), and Gas Stations (12, 2.3%). The full Madison County business listings dataset includes names, categories, addresses and contact details where available. Madison County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Madison County, MO
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 25 | 4.8% |
| Structure And Geography | 15 | 2.9% |
| Gas Stations | 12 | 2.3% |
| Baptist Church | 12 | 2.3% |
| River | 11 | 2.1% |
| Campgrounds & RV Parks | 10 | 1.9% |
| Beauty Salons | 10 | 1.9% |
| Lake | 9 | 1.7% |
| Insurance Agencies | 8 | 1.5% |
| Auto Repair | 8 | 1.5% |
Madison County Business Listings
| Business | Category | City |
|---|---|---|
| Fredericktown Dance Academy | Active Life | Fredericktown |
| Matthews & Sons Equipment | Agricultural Service | Fredericktown |
| Classic Equine Equipment | Agriculture | Fredericktown |
| A. Paul Vance Fredericktown Regional Airport | Airport | Fredericktown |
| Madison County Ambulance District | Ambulance And Ems Services | Fredericktown |
| The Depot Cafe | American Restaurants | Fredericktown |
| Silver Mine Quilts & Antiques | Antique Store | Fredericktown |
| Square One Design LLC | Architectural Designer | Fredericktown |
| McCutcheon Clan Creations | Arts And Crafts | Marquand |
| LibertyX Bitcoin ATM | ATMs | Fredericktown |
| Download Madison County business listings | ||
Madison County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Madison County Basemaps
Madison 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.
Get the Full Madison County Data Package
This page shows a preview of what's included in the Madison County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Madison County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.