Warren County, Missouri Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Warren 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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B
Health Around averageHealthier than 84% of counties in Missouri
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C
Income Below averageWealthier than 89% of counties in Missouri
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Warren County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Population | 37,236 | 6,186,340 | 337,468,954 |
| Population density (per sq mi) | 85.1 | 88.8 | 86.4 |
| Population growth (%/yr) | 1.41% | 0.28% | 0.59% |
| Median age | 41.5 | 37.5 | 37.3 |
| Households | 13,889 | 2,507,647 | 130,235,071 |
Population in Warren County grew by 23.1% from 2009 to 2024, reaching 37,236 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Warren County is Gen X, aged 45–60, at 21.3% of residents. That is 1.6 points above Missouri as a whole.
- Gen Z 13–28 7,203 19.3% -1.8 pts
- Millennials 29–44 7,420 19.9% -1.4 pts
- Gen X 45–60 7,918 21.3% +1.6 pts
- Boomers 61–79 7,177 19.3% +1.4 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 49.8% of the people living in Warren County and men 50.2%.
- Women 49.8% Missouri 50.7%
- Men 50.2% Missouri 49.3%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Warren County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Warren County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Warren County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median household income | $81,456 | $70,801 | $80,455 |
| Income growth (%/yr) | 5.79% | 4.56% | 4.80% |
| Unemployment rate | 3.7% | 4.0% | 5.2% |
The median household income in Warren County is about 15% higher than in Missouri.
Housing
| Metric | Warren County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median home price | $198,437 | $145,462 | $248,835 |
| Median rent | $994 | $1,033 | $1,407 |
| Homeownership rate | 80.2% | 68.1% | 65.2% |
The median home price in Warren County is about 16.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $994 per month for that long.
Commute Time & Mobility
Commuters in Warren County spend about 61 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 255 hours, about 10.6 full days, spent commuting.
| Metric | Warren County | Missouri Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 30.6 | 21.0 | 22.4 |
| Round-trip commute (min) | 61.3 | 41.9 | 44.8 |
| Yearly time spent (hours) | 255 | 175 | 187 |
| Estimated yearly cost | $7,917 | $5,415 | $5,790 |
| Work from home | 9.0% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 13,909 | 7,545 | 8,813 |
| Local road traffic (vehicles/day) | 957 | 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 Warren County is 31 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
Warren County has a education index of D, which means it is barely educated.
| Metric | Warren County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 18.0% | 28.8% | 31.6% |
| Average household size | 2.67 | 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
Warren County has a health index of B, which means it is quite healthy.
| Metric | Warren County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.1 | 76.9 | 78.3 |
| Self-rated poor health | 16.7% | 19.0% | 16.3% |
| Smokers | 21.7% | 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).
Warren County, MO Compared With Nearby Counties
Warren County, MO is the smallest of the 4 counties compared here, 37,236 residents against a local median of 105,953. Where Warren County, MO breaks from the counties next to it is commute, sitting 35% above the local median of 22.7 min at 30.6 min. That is the weaker end of the local range on this measure.
The counties themselves spread 8.0 min on commute, so Warren County, MO sits at one end of an already wide local range rather than apart from it. Warren County, MO has the 3rd lowest commute of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Warren County, MO | 37,236 | $81,456 #3/4 | $198,437 #4/4 | 30.6 min #3/4 |
| Lincoln County, MO | 63,057 | $88,874 | $206,522 | 30.7 min |
| Franklin County, MO | 105,953 | $73,054 | $209,682 | 22.7 min |
| St. Charles County, MO | 414,008 | $105,635 | $326,504 | 22.7 min |
Frequently Asked Questions
Common questions about Warren County, Missouri.
What is the population of Warren County, Missouri?
About 37,236 people live in Warren County, Missouri, in 13,889 households of 2.7 people on average. The median age is 41.5, so residents are older than the U.S. median of 37.3 by about 4 years.
Is Warren County, Missouri mostly urban or rural?
Averaged over its land area, Warren County, Missouri has 85 people per square mile, a density typical of rural areas. That is close to the U.S. average of 86.
Can a typical household afford a home in Warren County, Missouri?
The median home costs 2.4 times the median household income ($198,437 against $81,456), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $994 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Warren County, Missouri?
Unemployment in Warren County, Missouri is only 3.7%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Warren County, Missouri?
18.0% of adults in Warren County, Missouri hold a bachelor's degree or higher (about 1 in 6), well below the U.S. share of 31.6%.
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