Smithville Flag

Smithville

County:
Clay County
County Seat:
No
Area (mi²):
16.454
State:
Missouri

Smithville is a city located in Clay County, Missouri. Smithville has a 2026 population of 10,971. Smithville is currently growing at a rate of 1.56% annually and its population has increased by 4.63% since the most recent census, which recorded a population of 10,486 in 2020.

11K
Total Population
667
Density (mi²)
168 1.56%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)