Miami County GIS Maps
Miami County, Kansas, has 34,191 residents and covers 575.9 square miles. The population grew 4.3% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Miami County is 20121.
Paola is the county's largest population center. Miami County also includes 5 zip codes, 7 public school districts and 34 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.
Miami County Trends
- Population
- 34,191▴
- Median Home Value
- $277,700▴
- K-12 Enrollment
- 17,952▴
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.
Miami 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.
Miami County Population
Miami County had 34,191 residents in 2020. That was 4.3% higher than in 2010. Miami County added 5,840 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 59 people per square mile. Some of the county's most populated postal areas include Paola, Spring Hill and Louisburg.
Population Trend in Miami County KS
Miami County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Miami County Zip Codes
Miami County has 5 zip codes. Some of the county's most populated zip codes include Paola (66071), Spring Hill (66083) and Louisburg (66053). Paola is the largest zip by population, with about 12,416 residents or 36% of the county total. Together, the three largest zips account for about 94% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Miami County KS
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 66071 | Paola | 12,416 | ▴ 0.5% |
| 66083 | Spring Hill | 11,379 | ▴ 27.7% |
| 66053 | Louisburg | 8,325 | ▴ 10.6% |
| 66064 | Osawatomie | 5,783 | ▾ -5.2% |
| 66013 | Bucyrus | 2,524 | ▴ 37.2% |
| Download all zip code data | |||
Miami County Zip Code populations and trends per most recent census data.
Miami County Demographics
Miami County has a median age of 41.8, which makes the county a little older than Kansas overall. About 23.9% of residents are under 18, while 17.5% 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 29.1% of the population, which points to a solid working-age base. About 32.1% of adults have a bachelor's degree or higher, above the statewide figure of 35.2%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Miami County KS
Median Age
41.8
Under 18
23.9%
Age 65+
17.5%
Bachelor's+
32.1%
Miami County School Districts
Miami County is served by 7 public school districts with 17,952 students enrolled in 2024. The largest districts on the county map are Gardner Edgerton Unified 231, Spring Hill Unified 230 and Louisburg Unified 416. Those three districts account for about 75% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.
Largest School Districts by Enrollment in Miami County KS
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Gardner Edgerton Unified School District 231 | 5,854 | 32.6% | ▾ -0.6% |
| Spring Hill Unified School District 230 | 5,841 | 32.5% | ▴ 3.7% |
| Louisburg Unified School District 416 | 1,745 | 9.7% | ▾ -0.9% |
| Paola Unified School District 368 | 1,732 | 9.6% | ▾ -1.5% |
| Osawatomie Unified School District 367 | 1,021 | 5.7% | ▾ -2.5% |
| Download all school district data | |||
Miami County school district enrollment and trends per most recent NCES reporting data.
Miami County Housing & Real Estate
Miami County has a median home value of $277,700 and a median gross rent of $1,101. About 78% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Kansas median, while rents come in above the state average. In March 2026, the median listing price was $368,500 and homes spent about 42 days on the market.
Miami County Housing Mix
Miami County housing mix: owner, renter and vacant units.
Miami County Housing Trends
Miami County median home value and rent trend (last 5 years).
Businesses in Miami County, KS
Miami County has 1,297 business listings across 367 categories. The largest categories in Miami County business listings are Churches & Religious Organizations (47, 3.6%), Farm (34, 2.6%), and Contractors (28, 2.2%). The full Miami County business listings dataset includes names, categories, addresses and contact details where available. Miami County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Miami County, KS
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 47 | 3.6% |
| Farm | 34 | 2.6% |
| Contractors | 28 | 2.2% |
| Auto Repair | 24 | 1.9% |
| Community & Nonprofits | 19 | 1.5% |
| Hair Salons | 18 | 1.4% |
| Insurance Agencies | 18 | 1.4% |
| Building Supply Store | 17 | 1.3% |
| Professional Services | 17 | 1.3% |
| Gas Stations | 16 | 1.2% |
Miami County Business Listings
| Business | Category | City |
|---|---|---|
| Gold Bridge Treatment Center | Abuse And Addiction Treatment | Louisburg |
| Paola Lofts | Accommodation | Paola |
| Pro 31 Tax and Accounting | Accountant | Louisburg |
| Osawatomie Recreation Director | Active Life | Osawatomie |
| Arista Recovery | Addiction Rehabilitation Center | Paola |
| The Original Louisburg Farmers Market - Kansas | Agricultural Cooperatives | Louisburg |
| Noll Brothers Livestock | Agricultural Service | La Cygne |
| Mid-West Fertilizer | Agriculture | Paola |
| Miami County Airport | Airport | Paola |
| In & Out Construction, LLC | Altering And Remodeling Contractor | lewisburg |
| Download Miami County business listings | ||
Miami County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Miami County Basemaps
Miami 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 Miami County Data Package
This page shows a preview of what's included in the Miami 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 Miami County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.