• county
  • FIPS 29045
  • Largest town: Kahoka

Clark County, Missouri

Clark County had 6,623 residents in the Census Vintage 2024 estimate, on 504.6 square miles of land. It ranks 102nd of 115 in Missouri by population and 80th by land area.

Population
6,623
#102 of 115 in Missouri · #2,687 in US
Area
504.6 sq mi
#80 of 115 in Missouri · #2,058 in US
Density
13 / sq mi
#97 of 115 in Missouri · #2,452 in US
Median household income
$56,191
#56 of 115 in Missouri · #2,213 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Clark County within Missouri. Pin: Jefferson City.

Measure from here

Tools and pages that start from Clark County

Clark County population, land area and income

Clark County had 6,623 residents in the Census Vintage 2024 estimate, on 504.6 square miles of land. It ranks 102nd of 115 in Missouri by population and 80th by land area. That works out to 13.1 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Missouri has 19,100 residents, so Clark County has 35% of the typical county's population.

Its SAIPE 2023 median household income of $56,191 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

6,623

3144th1st

2687th of 3,144 (US)

Land area

505 sq mi

3144th1st

2058th of 3,144 (US)

Density

13.1 / sq mi

3144th1st

2452nd of 3,144 (US)

Median household income

$56,191

3143rd1st

2213th of 3,143 (US)

Rank within Missouri (115)

Population

6,623

115th1st

102nd of 115 (MO)

Land area

505 sq mi

115th1st

80th of 115 (MO)

Density

13.1 / sq mi

115th1st

97th of 115 (MO)

Median household income

$56,191

115th1st

56th of 115 (MO)

How Clark County's population changed since 2020

Clark County lost 35 residents between the July 2020 and July 2024 estimates, a drop of 0.5%. That ranks 89th of 115 in Missouri for growth. The median Missouri county changed by +1.4%, and the state as a whole by +1.5%.

Since the April 2020 estimates base, Clark County recorded 353 births and 379 deaths, a natural change of -26. Net international migration added -2 and net domestic migration, people moving to or from other US counties, came to +20. The largest single component was natural change, which removed 26 people.

6,65820206,73420216,71420226,64820236,6232024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
353
Deaths
379
Net international migration
-2
Net domestic migration
+20
Change, July 2023 to July 2024
-25

Where Clark County is

The Census internal point of Clark County is at 40.407300, -91.729500. It sits in UTM zone 15N. The map shades Missouri's 115 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Clark County outlined. Dots are towns of 1,000+ people with residents in it.

Pettis County: +1.8%Henry County: +2.7%Texas County: +5.7%Madison County: +1.8%St. Louis city: -6.9%Cole County: +1.3%Washington County: +0.6%Macon County: -0.1%Barton County: +0.8%Grundy County: +0.1%Cedar County: +5.7%Randolph County: -1.6%Ray County: +0.3%Caldwell County: +2.0%Benton County: +6.1%Douglas County: +5.9%Shannon County: +3.4%Dade County: +0.5%Wright County: +7.1%Gentry County: +2.6%Lawrence County: +3.0%Cooper County: +2.9%Hickory County: +5.6%Moniteau County: +0.5%Dent County: +2.3%Monroe County: +2.3%Maries County: +0.7%Bollinger County: +0.5%Clinton County: +2.4%Knox County: +0.0%Webster County: +7.8%Harrison County: +0.4%Pulaski County: -0.1%Adair County: +1.5%Warren County: +7.7%Daviess County: +1.3%Audrain County: -1.9%Howard County: -0.1%Linn County: +0.4%Saline County: -0.1%Miller County: +3.6%Dallas County: +4.3%Morgan County: +6.7%New Madrid County: -6.8%Newton County: +4.8%Oregon County: +1.0%Franklin County: +2.3%Greene County: +2.9%Ralls County: +1.4%Lafayette County: +1.4%Livingston County: +4.8%McDonald County: +3.3%Barry County: +3.1%Cape Girardeau County: +2.2%Carroll County: -0.6%Christian County: +7.6%Vernon County: +0.6%Carter County: +3.0%Andrew County: -0.1%Jasper County: +2.9%Worth County: -4.9%Lincoln County: +10.1%Marion County: -0.2%Holt County: +1.2%Howell County: +2.4%St. Francois County: +1.6%Chariton County: +0.1%Butler County: -0.6%Iron County: -1.0%Perry County: +0.7%Cass County: +5.3%St. Louis County: -1.0%Dunklin County: -4.3%Wayne County: -1.1%Ozark County: +6.7%Laclede County: +1.9%Reynolds County: -2.5%Lewis County: -1.9%Taney County: +1.2%Ripley County: +0.4%Ste. Genevieve County: +0.4%Scotland County: -0.1%Putnam County: -3.1%Schuyler County: +1.5%Shelby County: -2.8%Boone County: +4.4%Mercer County: -1.7%Platte County: +5.6%Camden County: +3.1%Bates County: +2.1%Johnson County: +3.4%Sullivan County: -3.8%Atchison County: -3.1%Scott County: -0.2%Montgomery County: +2.0%Jefferson County: +2.2%Clark County: -0.5%Callaway County: +1.8%St. Clair County: +5.4%Buchanan County: -1.1%Pemiscot County: -7.6%Polk County: +4.6%Phelps County: +2.5%Stone County: +4.6%Osage County: +1.7%Clay County: +3.6%Nodaway County: -2.4%Crawford County: -1.0%Jackson County: +1.4%St. Charles County: +4.3%Mississippi County: -3.1%Pike County: +3.1%Stoddard County: -0.7%Gasconade County: -0.7%DeKalb County: -14.8%
Change 2020 to 2024
  1. < -0.7%
  2. < +0.5%
  3. < +2.0%
  4. < +3.6%
  5. ≥ +3.6%
no data

Orange pin: Clark County internal point. Dark pin: Jefferson City.

Internal point

Decimal
40.407300, -91.729500
DMS
40°24'26.28"N 91°43'46.20"W
UTM
15N 607803.8E 4473740.0N
Geohash
9znvbeute
Plus code
86GCC74C+W5

Towns in Clark County

One incorporated place of 1,000+ people has residents in Clark County, 1,973 people together, or 30% of the county. Each figure counts only the part of the town inside Clark County; towns marked "part" extend into another county. The largest is Kahoka with 1,973.

  1. 01Kahoka1,973
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Clark County

The Census 2024 county adjacency file lists 6 neighbors for Clark County, including 3 across a state line. The most populous is Lee County, IA, with 32,376 residents. Distances run between Census internal points in a straight line.

Distance to Jefferson City and the nearest big city

Jefferson City is 128.5 miles S of Clark County's internal point in a straight line. The nearest place of 100,000 or more is Davenport, IA (population 100,938), 98.7 miles away. The nearest place of 10,000 or more is Quincy, IL (population 38,786), 37.6 miles away.

Clark County FIPS code

The FIPS code of Clark County is 29045: state code 29 for Missouri plus county code 045. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $56,191.

Questions people ask

What is the population of Clark County, Missouri?

The Census Vintage 2024 estimate for July 1, 2024 is 6,623. That is down 35 people (0.5%) from the July 2020 estimate of 6,658.

What is the FIPS code of Clark County?

29045. The first two digits (29) are Missouri; the last three (045) identify the county.

What is the largest town in Clark County?

Kahoka, with 1,973 residents inside Clark County in 2024.

Which counties border Clark County?

6 county-equivalents border it in the Census 2024 adjacency file: Lee County, IA; Hancock County, IL; Lewis County, MO; Van Buren County, IA; Scotland County, MO; Knox County, MO.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

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