Missouri · Census place 2968420

Smithville, Missouri

Smithville is a city in 2 counties of Missouri with an estimated 10,971 residents on July 1, 2024. It is the 74th largest of 338 incorporated places of 1,000+ people in the state.

Population 2024
10,971
#74 of 338 in Missouri
Change since 2020
+4.6%
+485 people
Land area
16.2 sq mi
+ 0.11 sq mi water
Density
679 / sq mi
State median 1,448
Orange pin: Smithville. Shaded: counties it spans. Dark pin: Jefferson City.

Smithville population, 2020 to 2024

Smithville added 485 residents from July 2020 to July 2024, a change of +4.6%. In the latest year it moved by +168. Among 135 Missouri places of 5,000 or more, that growth ranks 39th; the median place changed by +1.2%. The median place of 5,000+ in Missouri has 12,239 people, so Smithville is 90% of it.

10.5k202010.6k202110.7k202210.8k202311.0k2024
July 1 estimates. The April 2020 estimates base was 10,437. The axis starts above zero so yearly changes are visible.

Smithville covers 16.16 square miles of land and 0.11 of water, for 679 people per square mile of land. The median Missouri place of 5,000+ has 1,448, so Smithville is less dense than the typical town.

The 2 counties Smithville spans

Smithville crosses county lines. The Census county-part estimates split its 10,971 residents as follows; Clay County holds 100.0% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

  1. 01Clay County10,970
  2. 02Platte County1
Residents inside each county, Census Vintage 2024 county-part estimates (SUMLEV 157).

ZIP codes in Smithville

1 ZIP Code Tabulation Area (ZCTA) overlaps Smithville by at least 10% of the ZCTA's or the city's land: 64089. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Smithville is

The Census internal point of Smithville is at 39.396900, -94.571000. Jefferson City, the capital, is 140.6 miles ESE in a straight line. The nearest larger place is Kearney, MO (11,215 people), 11.7 miles away. The nearest city of 100,000 or more is Kansas City, MO, 18.8 miles away.

Internal point

Decimal
39.396900, -94.571000
DMS
39°23'48.84"N 94°34'15.60"W
UTM
15N 364724.3E 4361999.7N
Geohash
9zh8pgzrx
Plus code
86F79CWH+QH

Daylight in Smithville

At 39.40° N, Smithville gets about 14 h 57 min of daylight around the June solstice and 9 h 23 min around the December solstice, a swing of 5 h 34 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Smithville

The eight nearest incorporated places of 1,000+ in Missouri, measured between internal points. The closest is Platte City, 10.2 miles away, with 4,867 people.

Questions people ask

What is the population of Smithville, MO?

10,971 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 485 (4.6%) from 10,486 in July 2020.

What county is Smithville in?

It spans 2 counties: Clay County (10,970 residents), Platte County (1 residents).

What ZIP codes cover Smithville?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 64089.

How far is Smithville from Jefferson City?

140.6 miles (226.3 km) in a straight line, heading ESE from Smithville.

What is the nearest larger city to Smithville?

Kearney, MO, with 11,215 residents, 11.7 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.