Smithville city, Missouri
Official LSAD Designation: Smithville city • Census GEOID: 2968420
• Clay County / Platte County
Smithville city is an incorporated city in Clay County, Platte County, Missouri. According to official records from the Census (2025), Smithville city had an estimated population of 11,160 residents. Official Census Bureau geographic records classify this community under LSAD designation Smithville city (GEOID 2968420).
Local Government Administration U.S. Census Bureau GMAF
City Of Smithville
Municipal
Official Title:
City Administrator
Address:
107 W MAIN ST, SMITHVILLE MO 64089-9384
County Of Clay
County
Official Title:
Planning & Zoning Manager
Address:
234 W SHRADER ST, LIBERTY MO 64158
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 11,160 | 2025 |
| Median Household Income | $101,165 | 2020-2024 |
| Median Home Value | $290,600 | 2020-2024 |
| Land Area | 16.59 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).