Clay County GIS Maps
Clay County, Missouri, has 253,335 residents and covers 397.7 square miles. The population grew 14.1% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Clay County is 29047.
Liberty is the county's largest population center. Clay County also includes 18 zip codes, 8 public school districts and 22 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.
Clay County Trends
- Population
- 253,335▴
- Median Home Value
- $256,400▴
- K-12 Enrollment
- 47,892▾
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.
Clay 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.
Clay County Population
Clay County had 253,335 residents in 2020. That was 14.1% higher than in 2010. Clay County added 69,329 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 637 people per square mile. Some of the county's most populated postal areas include Kansas City, Liberty and Kansas City.
Population Trend in Clay County MO
Clay County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Clay County Zip Codes
Clay County has 18 zip codes. Some of the county's most populated zip codes include Kansas City (64118), Liberty (64068) and Kansas City (64119). Kansas City is the largest zip by population, with about 42,897 residents or 17% of the county total. Together, the three largest zips account for about 44% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Clay County MO
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 64118 | Kansas City | 42,897 | ▴ 6.7% |
| 64068 | Liberty | 37,222 | ▴ 2.6% |
| 64119 | Kansas City | 30,865 | ▴ 12.9% |
| 64155 | Kansas City | 28,195 | ▴ 28.7% |
| 64157 | Kansas City | 23,286 | ▴ 44.4% |
| Download all zip code data | |||
Clay County Zip Code populations and trends per most recent census data.
Clay County Demographics
Clay County has a median age of 37.6, which makes the county a little younger than Missouri overall. About 23.8% of residents are under 18, while 14.9% 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 35% of the population, which points to a solid working-age base. About 36% of adults have a bachelor's degree or higher, above the statewide figure of 31.9%. 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 Clay County MO
Median Age
37.6
Under 18
23.8%
Age 65+
14.9%
Bachelor's+
36%
Clay County School Districts
Clay County is served by 8 public school districts with 47,892 students enrolled in 2024. The largest districts on the county map are North Kansas City 74, Liberty 53 and Platte County R-III. Those three districts account for about 78% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Clay County MO
| District | Enrollment | Share | Trend |
|---|---|---|---|
| North Kansas City 74 School District | 21,252 | 44.4% | ▴ 1.1% |
| Liberty 53 School District | 11,826 | 24.7% | ▾ -2.7% |
| Platte County R-III School District | 4,374 | 9.1% | ▴ 2.1% |
| Kearney R-I School District | 3,424 | 7.1% | ▾ -2.2% |
| Excelsior Springs 40 School District | 2,661 | 5.6% | ▴ 0.9% |
| Download all school district data | |||
Clay County school district enrollment and trends per most recent NCES reporting data.
Clay County Housing & Real Estate
Clay County has a median home value of $256,400 and a median gross rent of $1,220. About 69% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Missouri median, while rents come in above the state average. In March 2026, the median listing price was $429,950 and homes spent about 41 days on the market.
Clay County Housing Mix
Clay County housing mix: owner, renter and vacant units.
Clay County Housing Trends
Clay County median home value and rent trend (last 5 years).
Businesses in Clay County, MO
Clay County has 9,852 business listings across 864 categories. The largest categories in Clay County business listings are Real Estate Agents (249, 2.5%), Churches & Religious Organizations (209, 2.1%), and Medical Offices (182, 1.8%). The full Clay County business listings dataset includes names, categories, addresses and contact details where available. Clay County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Clay County, MO
| Category | Businesses | Share |
|---|---|---|
| Real Estate Agents | 249 | 2.5% |
| Churches & Religious Organizations | 209 | 2.1% |
| Medical Offices | 182 | 1.8% |
| Insurance Agencies | 166 | 1.7% |
| Auto Repair | 136 | 1.4% |
| Parks & Recreation | 118 | 1.2% |
| Fast Food | 113 | 1.1% |
| Banks & Credit Unions | 113 | 1.1% |
| Landmark And Historical Building | 107 | 1.1% |
| Hair Salons | 105 | 1.1% |
Clay County Business Listings
| Business | Category | City |
|---|---|---|
| The Estoria Rehabilitation and Recovery | Abuse And Addiction Treatment | Liberty |
| CityView Lofts | Accommodation | Kansas City |
| Mental Health Accounting | Accountant | Liberty |
| Staley Stadium | Active Life | Kansas City |
| Elevate Acupuncture and Traditional Chinese Medicine | Acupuncture | North Kansas City |
| Alcoholics Anonymous | Addiction Rehabilitation Center | Kansas City |
| Cirilla's | Adult Entertainment | Gladstone |
| Duck's Flying Discs - Kansas City | Adventure Sports Center | Kansas City |
| Summit Media Solutions Inc | Advertising Agency | Kearney |
| Paca Posse Farm | Agricultural Cooperatives | Kearney |
| Download Clay County business listings | ||
Clay County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Clay County Basemaps
Clay 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 Clay County Data Package
This page shows a preview of what's included in the Clay 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 Clay County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.