County · Missouri
Clark County, Missouri
Clark County, Missouri. Clark County had 6,475 residents in 2025 by the Census Bureau's estimate, down 2.5% since 2020, while Missouri grew 1.9%. It holds 8 places (6 cities, villages and boroughs and 2 census-designated) and 3 census tracts. GEOID 29045.
Residents, July 2025 estimate
6,475
Census Bureau estimate (no margin published)
2020 Census count: 6,634 · ACS 2020-2024: 6,675
Median household income
$51,781
±$3,325 (90% margin)
Missouri: $70,702
Median home value
$130,700
±$21,302 (90% margin)
Missouri: $230,300
Median gross rent
$612
±$97 (90% margin)
Missouri: $1,033
How many people live in Clark County, and is it growing?
The 2020 Census counted 6,634 residents in Clark County. The Census Bureau estimates 6,475 for July 1, 2025, down 2.5% since 2020, while Missouri grew 1.9%. The 2020-2024 American Community Survey puts the population at 6,675 over 505 square miles of land.
| Measure | Clark County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Total population | 6,675 | 6,191,814 | −104 |
| Households | 2,423±103 | 2,508,227 | −234 |
| Average household size | 2.70±0.11 | 2.40 | +0.18 |
| Housing units | 3,233±24 | 2,825,287 | −264 |
Clark County's population since 2000
From 7,416 in 2000 to 6,475 in 2025: down 12.7%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Clark County?
Clark County holds 8 places: 6 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Kahoka with 1,962 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Kahoka | 1,961 | $48,370 |
|---|---|---|
| WaylandGEOID 2977920 | 408 | $22,455 |
| Wyaconda | 214 | $50,667 |
| St. FrancisvilleGEOID 2964244 | 137 | not published |
| AlexandriaGEOID 2900604 | 105 | $33,333 |
| MedillGEOID 2947144 | 82 | $152,857 |
| RevereGEOID 2961292 | 76 | $56,250 |
| LurayGEOID 2944516 | 73 | $57,321 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Clark County?
The median resident of Clark County is 43.5 years old; 23.9% are under 18 and 21.7% are 65 or older. The largest group is non-Hispanic white residents at 94.9%, then non-Hispanic residents of two or more races at 2.1%.
| Measure | Clark County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.5±1.1 | 39.0 | no clear change |
| Under 18 years | 23.9%±0.7 pts | 22.3% | – |
| 65 years and over | 21.7%±0.9 pts | 17.9% | – |
| Hispanic or Latino (any race) | 1.0% | 5.2% | – |
| White alone, not Hispanic | 94.9%±1.1 pts | 76.3% | −2.0 pts |
| Black or African American alone, not Hispanic | 1.9%±0.2 pts | 10.9% | – |
| Asian alone, not Hispanic | 0.1%±0.2 pts | 2.1% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.5 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.5 pts | 0.1% | – |
| Two or more races, not Hispanic | 2.1%±1.1 pts | 4.8% | – |
| Some other race alone, not Hispanic | 0.0%±0.5 pts | 0.4% | – |
| Born outside the United States | 0.3%±0.2 pts | 4.5% | – |
| Speak a language other than English at home (age 5+) | 1.6%±1.0 pts | 6.7% | – |
| Civilian veterans (age 18+) | 8.0%±1.5 pts | 7.3% | – |
| With a disability | 13.4%±2.3 pts | 14.9% | – |
| No health insurance coverage | 10.9%±3.0 pts | 8.8% | no clear change |
| High school graduate or higher (age 25+) | 91.3%±2.3 pts | 91.9% | – |
| Bachelor's degree or higher (age 25+) | 14.9%±2.7 pts | 32.4% | no clear change |
| Graduate or professional degree (age 25+) | 4.9%±1.5 pts | 12.6% | – |
| Moved from another state in the past year | 1.7%±1.3 pts | 2.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Clark County earn?
Half of Clark County's 2,423 households earn less than $51,781 a year (±$3,325), against $70,702 in Missouri. In 2015-2019 the median was $60,192 in 2024 dollars, so it fell by $8,411 after inflation. 11.2% of residents live below the poverty line.
| Measure | Clark County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $51,781±$3,325 | $70,702 | −$8,411 |
| Mean household income | $71,247±$7,735 | $96,247 | – |
| Per capita income | $28,391±$2,719 | $39,695 | no clear change |
| People below the poverty line | 11.2%±2.4 pts | 12.6% | no clear change |
| Children under 18 below the poverty line | 14.9%±5.4 pts | 15.8% | no clear change |
| Households receiving SNAP | 7.8%±2.7 pts | 9.8% | – |
| Households with a broadband subscription | 75.4%±4.7 pts | 89.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Clark County?
Owners occupy 78.3% of Clark County's occupied homes and renters 21.7%. The median owner-occupied home is valued at $130,700 by its owner (±$21,302). The median renter pays $612 a month including utilities, and 33.9% of renters pay 35% or more of their income on rent.
| Measure | Clark County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $130,700±$21,302 | $230,300 | no clear change |
| Median gross rent | $612±$97 | $1,033 | no clear change |
| Renters paying 35% or more of income on rent | 33.9%±14.1 pts | 36.6% | no clear change |
| Median monthly owner costs, with a mortgage | $1,244±$129 | $1,524 | – |
| Owner-occupied homes | 78.3%±5.1 pts | 68.1% | no clear change |
| Housing units | 3,233±24 | 2,825,287 | −264 |
| Homeowner vacancy rate | 1.2%±2.0 pts | 0.9% | – |
| Rental vacancy rate | 0.0%±6.4 pts | 5.0% | – |
| Single-family detached homes | 77.7%±3.3 pts | 70.5% | – |
| Mobile homes | 15.0%±2.8 pts | 5.2% | – |
| Built 2020 or later | 0.7%±0.9 pts | 1.6% | – |
| Built 1939 or earlier | 25.0%±4.1 pts | 13.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Clark County building?
Builders took permits for 15 new housing units across Clark County in 2025 (15 single-family), 2.3 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Clark County get to work?
77.9% of Clark County's workers drive alone and 8.9% work from home. The average trip to work takes 25.3 minutes. The unemployment rate in 2020-2024 averaged 5.0%.
| Measure | Clark County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 52.9%±3.6 pts | 63.1% | – |
| Unemployment rate | 5.0%±2.8 pts | 4.0% | no clear change |
| Drove alone to work | 77.9%±4.4 pts | 74.8% | – |
| Carpooled | 9.3%±3.2 pts | 8.1% | – |
| Public transportation | 0.0%±1.3 pts | 0.8% | – |
| Walked | 2.9%±1.7 pts | 1.8% | – |
| Worked from home | 8.9%±4.2 pts | 13.0% | no clear change |
| Mean travel time to work | 25.3 min±2.2 | 23.5 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Clark County's census tracts?
Clark County is divided into 3 census tracts. Among those with a reliable estimate, median household income runs from $37,857 (Tract 9502) to $58,250 (Tract 9501).
| Tract 950129045950100 | 1,865±252 | $58,250 |
|---|---|---|
| Tract 950229045950200 | 2,144±224 | $37,857 |
| Tract 950329045950300 | 2,666±215 | $51,371 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Clark County compare with Missouri's other counties?
| Measure | Rank |
|---|---|
| Population | 102nd of 115 |
| Growth 2020-2025 | 103rd of 115 |
| Residents per square mile | 96th of 115 |
| Median household income | 95th of 115 |
| Median home value | 94th of 115 |
| Median gross rent | 107th of 115 |
| Poverty rate | 92nd of 115 |
| Bachelor's degree or higher | 96th of 115 |
| Median age | 29th of 115 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Clark County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.