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 11,213. Smithville is currently growing at a rate of 1.09% annually and its population has increased by 6.93% since the most recent census, which recorded a population of 10,486 in 2020.

The median household income in Smithville is $101,165 with a poverty rate of 5.37%. The median age in Smithville is 37.4 years: 37.6 years for males, and 37 years for females. For every 100 females there are 88.7 males.

11.2K
Total Population
681
Density (mi²)
121 1.09%
Growth

Smithville Population

Smithville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202611,2131211.09%
202511,0921211.1%
202410,9711681.56%
202310,8031501.41%
202210,653600.57%
202110,5931071.02%
202010,486490.47%
201910,8235615.47%
201810,2624734.83%
20179,7893563.77%
20169,4332222.41%
20159,2111601.77%
20149,0511421.59%
20138,9091932.21%
20128,7161301.51%
20118,5861631.94%
20108,423-2-0.02%
20005,5142,989118.38%
19902,52500%

Median Age

Overall: 37.4 years
Female: 37 years
Male: 37.6 years

Smithville Adults

There are 7,890 adults, (1,646 of whom are seniors) in Smithville.

Sex Ratio

Female: 5,674 (53%)
Male: 5,031 (47%)

Demographics

The racial composition of Smithville includes 95.13% White, and smaller percentages for Native American, Black or African American, other race, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White10,18495.13%
Two or more races3333.11%
Native American640.6%
Black or African American600.56%
Other race390.36%
Asian250.23%
Race
Population ↓
Percentage (of total)
White1591.49%
Two or more races550.51%
Other race390.36%
Race
Population ↓
Percentage (of total)
White10,02593.65%
Two or more races2782.6%
Native American640.6%
Black or African American600.56%
Asian250.23%

Smithville Marital Status

Economics and Income Statistics

Smithville 's average per capita income is $63,955. Household income levels show a median of $101,165. The poverty rate stands at 5.37%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$125,452-
Families$116,858$128,322
Households$101,165$112,745
Non Families$54,838$64,291

$63,955

Average Income

$101,165

Median Household Income

5.37%

Poverty Rate

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)