Clark County, Missouri Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Clark County, MO Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below average
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C
Income Below averageWealthier than 71% of counties in Missouri
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F
Education Well below averageLess educated than 75% of counties in Missouri
Source: Map AI Methodology
Population: density and quick facts
| Metric | Clark County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Population | 6,675 | 6,186,340 | 337,468,954 |
| Population density (per sq mi) | 13.0 | 88.8 | 86.4 |
| Population growth (%/yr) | -0.34% | 0.28% | 0.59% |
| Median age | 42.3 | 37.5 | 37.3 |
| Households | 2,423 | 2,507,647 | 130,235,071 |
Population in Clark County declined by 7.0% from 2009 to 2024, reaching 6,675 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Clark County is Gen X, aged 45–60, at 21.9% of residents. That is 2.2 points above Missouri as a whole.
- Gen Z 13–28 1,213 18.2% -3.0 pts
- Millennials 29–44 1,171 17.5% -3.7 pts
- Gen X 45–60 1,460 21.9% +2.2 pts
- Boomers 61–79 1,370 20.5% +2.6 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Missouri, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 49.6% of the people living in Clark County and men 50.4%.
- Women 49.6% Missouri 50.7%
- Men 50.4% Missouri 49.3%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Clark County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Clark County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Clark County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median household income | $53,489 | $70,801 | $80,455 |
| Income growth (%/yr) | 2.31% | 4.56% | 4.80% |
| Unemployment rate | 5.0% | 4.0% | 5.2% |
The median household income in Clark County is about 24% lower than in Missouri.
Housing
| Metric | Clark County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median home price | $241,666 | $145,462 | $248,835 |
| Median rent | $612 | $1,033 | $1,407 |
| Homeownership rate | 78.3% | 68.1% | 65.2% |
The median home price in Clark County is about 32.9 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $612 per month for that long.
Commute Time & Mobility
Commuters in Clark County spend about 43 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 179 hours, about 7.5 full days, spent commuting.
| Metric | Clark County | Missouri Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.5 | 21.0 | 22.4 |
| Round-trip commute (min) | 43.0 | 41.9 | 44.8 |
| Yearly time spent (hours) | 179 | 175 | 187 |
| Estimated yearly cost | $5,555 | $5,415 | $5,790 |
| Work from home | 8.9% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 1,953 | 7,545 | 8,813 |
| Local road traffic (vehicles/day) | 283 | 923 | 1,355 |
Fastest commutes among counties in
Missouri:
Saline County (11.9 min), Adair County (12.0 min), Nodaway County (12.1 min).
Slowest:
Bollinger County (33.1 min), Ray County (32.2 min), Maries County (31.9 min).
The average commute time in Clark County is 22 minutes, longer than the 21 minutes in Missouri.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Clark County has a education index of F, which means it scores poorly in education.
| Metric | Clark County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 12.4% | 28.8% | 31.6% |
| Average household size | 2.70 | 2.40 | 2.53 |
Highest education index among counties in
Missouri:
St. Louis County (0.4), Platte County (0.4), Boone County (0.4).
Lowest:
Bollinger County (0.2), Wayne County (0.2), Ripley County (0.2).
Health
Clark County has a health index of C, which means it is somewhat healthy.
| Metric | Clark County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 76.9 | 76.9 | 78.3 |
| Self-rated poor health | 19.5% | 19.0% | 16.3% |
| Smokers | 23.4% | 22.8% | 19.0% |
Highest health index among counties in
Missouri:
St. Charles County (0.8), Platte County (0.8), Boone County (0.8).
Lowest:
Scotland County (0.7), Ripley County (0.7), Pemiscot County (0.8).
Clark County, MO Compared With Nearby Counties
How Clark County, MO compares with the 1 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Clark County, MO | 6,675 | $53,489 #2/2 | $241,666 #1/2 | 21.5 min #2/2 |
| Lee County, IA | 32,893 | $62,330 | $171,484 | 16.0 min |
Frequently Asked Questions
Common questions about Clark County, Missouri.
How many people live in Clark County, Missouri?
About 6,675 people live in Clark County, Missouri, in 2,423 households of 2.7 people on average. The median age is 42.3, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Clark County, Missouri mostly urban or rural?
Averaged over its land area, Clark County, Missouri has 13 people per square mile, a density typical of rural areas. That is about 15% of the U.S. average of 86.
Can a typical household afford a home in Clark County, Missouri?
The median home costs 4.5 times the median household income ($241,666 against $53,489), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $612 a month takes about 14% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
What share of adults in Clark County, Missouri have a college degree?
12.4% of adults in Clark County, Missouri hold a bachelor's degree or higher (about 1 in 8), well below the U.S. share of 31.6%.
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