Lyon County GIS Maps

Lyon 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.

Lyon County Population

Lyon County had 32,179 residents in 2020. That was 4.5% lower than in 2010. Lyon County had 3,756 fewer people in 2020 than it did in 2000, which points to a long-term population decline. Emporia is the largest city in the county, but it accounts for only about 75% of the total population. The county is fairly spread out, with about 38 people per square mile. Some of the county's most populated postal areas include Emporia, Americus and Olpe.

Population Trend in Lyon County KS

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

Lyon County Zip Codes

Lyon County has 8 zip codes. Some of the county's most populated zip codes include Emporia (66801), Americus (66835) and Olpe (66865). Emporia is the largest zip by population, with about 27,369 residents or 85% of the county total. Together, the three largest zips account for about 92% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Lyon County KS

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

Lyon County Demographics

Lyon County has a median age of 33.1, which makes the county a little younger than Kansas overall. About 22.3% of residents are under 18, while 15.8% 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 28.3% of the population, which points to a solid working-age base. About 27.7% of adults have a bachelor's degree or higher, above the statewide figure of 35.2%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for Lyon County KS

Lyon County School Districts

Lyon County is served by 7 public school districts with 6,981 students enrolled in 2024. The largest districts on the county map are Emporia Unified 253, Morris County Unified 417 and Southern Lyon County Unified 252. Those three districts account for about 80% 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 Lyon County KS

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

Lyon County Housing & Real Estate

Lyon County has a median home value of $142,200 and a median gross rent of $796. About 58% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Kansas median, while rents come in below the state average. In March 2026, the median listing price was $243,100 and homes spent about 49 days on the market.

Businesses in Lyon County, KS

Lyon County has 1,588 business listings across 435 categories. The largest categories in Lyon County business listings are Churches & Religious Organizations (42, 2.6%), Medical Offices (26, 1.6%), and Hotels (23, 1.4%). The full Lyon County business listings dataset includes names, categories, addresses and contact details where available. Lyon County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Lyon County, KS

Lyon County Business Listings

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

Lyon County Basemaps

Lyon 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 Kansas — explore the full structure before you buy.