Clark County, Missouri Demographics 2026
Clark County, Missouri has a population of 6,680, the 102nd most populous county in Missouri. The median household income is $51,458 and the median home value is $117,600. The poverty rate is 9.4%.
Clark County Quick Facts
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 39 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Clark County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Kahoka | 2,083 | $35,993 | 9.3% | $94,800 |
| Wayland | 489 | N/A | 8.4% | N/A |
| Wyaconda | 193 | $48,672 | 32.2% | $56,800 |
| St. Francisville | 177 | N/A | 61.6% | N/A |
| Medill | 121 | $137,000 | 5.0% | $215,400 |
| Luray | 109 | $70,500 | 32.1% | $51,300 |
| Alexandria | 50 | $33,125 | 44.0% | $33,300 |
| Revere | 49 | $56,250 | 0.0% | $65,000 |
Explore Missouri Rankings
Population Overview
Clark County is located in Missouri with a total population of 6,680. It is the 102nd most populous county out of 115 in Missouri. The county encompasses 8 Census-designated places.
Age Demographics
The median age in Clark County is 43.5 years. This is 12% higher than the state median of 38.9 years.
Economy, Income & Housing
The median household income in Clark County is $51,458. This is 25% lower than the state median of $68,920. It is also 34% lower than the national median of $78,538. The poverty rate stands at 9.4%. This is 26% lower than the state poverty rate of 12.6%. The unemployment rate is 5.8%. This is 40% higher than the state rate of 4.1%. The median home value is $117,600. Housing costs are 45% lower than the state median of $215,600. With a home-value-to-income ratio of just 2.3x, Clark County is one of the most affordable housing markets in the area. 78.5% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 67.9%.
Race & Ethnicity
Clark County has a predominantly White (non-Hispanic) population, comprising 95.7% of all residents. Hispanic or Latino residents account for 0.9%. The Black or African American population (0.4%) is well below the state average of 11.0%. The Hispanic or Latino population (0.9%) is well below the state average of 5.1%. The Asian population (0.4%) is well below the state average of 2.1%.
Education
12.3% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 62% lower than the state rate of 31.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.0%.
Data Sources & Methodology
All figures for Clark County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Missouri and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Clark County, Missouri?
Clark County has a population of 6,680, making it the 102nd most populous county in Missouri.
What is the median income in Clark County?
The median household income in Clark County is $51,458 with a poverty rate of 9.4%.
How many cities are in Clark County, Missouri?
Clark County contains 8 Census-designated places.