Maries County, Missouri Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Maries 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.
-
C
Health Below average
-
D
Income Well below average
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F
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Maries County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Population | 8,450 | 6,186,340 | 337,468,954 |
| Population density (per sq mi) | 16.0 | 88.8 | 86.4 |
| Population growth (%/yr) | -0.76% | 0.28% | 0.59% |
| Median age | 43.9 | 37.5 | 37.3 |
| Households | 3,428 | 2,507,647 | 130,235,071 |
Population in Maries County declined by 5.6% from 2009 to 2024, reaching 8,450 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Maries County is Gen X, aged 45–60, at 22.2% of residents. That is 2.6 points above Missouri as a whole.
- Gen Z 13–28 1,614 19.1% -2.1 pts
- Millennials 29–44 1,512 17.9% -3.4 pts
- Gen X 45–60 1,874 22.2% +2.6 pts
- Boomers 61–79 1,823 21.6% +3.7 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 50.5% of the people living in Maries County and men 49.5%.
- Women 50.5% Missouri 50.7%
- Men 49.5% Missouri 49.3%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Maries County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Maries County has a the economy index of D, which means it is barely prosperous.
| Metric | Maries County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median household income | $59,513 | $70,801 | $80,455 |
| Income growth (%/yr) | 5.06% | 4.56% | 4.80% |
| Unemployment rate | 4.8% | 4.0% | 5.2% |
The median household income in Maries County is about 16% lower than in Missouri.
Housing
| Metric | Maries County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median home price | $138,020 | $145,462 | $248,835 |
| Median rent | $589 | $1,033 | $1,407 |
| Homeownership rate | 78.3% | 68.1% | 65.2% |
The median home price in Maries County is about 19.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $589 per month for that long.
Commute Time & Mobility
Commuters in Maries County spend about 64 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 266 hours, about 11.1 full days, spent commuting.
| Metric | Maries County | Missouri Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 31.9 | 21.0 | 22.4 |
| Round-trip commute (min) | 63.7 | 41.9 | 44.8 |
| Yearly time spent (hours) | 266 | 175 | 187 |
| Estimated yearly cost | $8,232 | $5,415 | $5,790 |
| Work from home | 6.8% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 7,242 | 7,545 | 8,813 |
| Local road traffic (vehicles/day) | 496 | 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 Maries County is 32 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
Maries County has a education index of F, which means it scores poorly in education.
| Metric | Maries County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 17.3% | 28.8% | 31.6% |
| Average household size | 2.44 | 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
Maries County has a health index of C, which means it is somewhat healthy.
| Metric | Maries County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.2 | 76.9 | 78.3 |
| Self-rated poor health | 18.9% | 19.0% | 16.3% |
| Smokers | 23.0% | 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).
Maries County, MO Compared With Nearby Counties
Maries County, MO is the smallest of the 4 counties compared here, 8,450 residents against a local median of 53,894. The measure that sets Maries County, MO apart most is commute: 31.9 min, 98% above the local median of 16.1 min. That is the weaker end of the local range on this measure.
Median home price tells the same story from another angle: $138,020 against a local median of $189,717, 27% below it. The counties themselves sit within 1.8 min of each other on commute, a tighter band than the gap between any of them and Maries County, MO, which makes it a genuine outlier here rather than one end of a wide local spread. Maries County, MO has the 4th lowest commute of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Maries County, MO | 8,450 | $59,513 #3/4 | $138,020 #3/4 | 31.9 min #4/4 |
| Phelps County, MO | 45,194 | $58,562 | $103,409 | 15.5 min |
| Pulaski County, MO | 53,894 | $65,978 | $189,717 | 17.3 min |
| Cole County, MO | 77,032 | $74,830 | $233,853 | 16.1 min |
Frequently Asked Questions
Common questions about Maries County, Missouri.
How many people live in Maries County, Missouri?
About 8,450 people live in Maries County, Missouri, in 3,428 households of 2.4 people on average. The median age is 43.9, so residents are older than the U.S. median of 37.3 by about 7 years.
How densely populated is Maries County, Missouri?
Averaged over its land area, Maries County, Missouri has 16 people per square mile, a density typical of rural areas. That is about 18% of the U.S. average of 86.
How affordable is housing in Maries County, Missouri?
The median home costs 2.3 times the median household income ($138,020 against $59,513), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $589 a month takes about 12% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
What share of adults in Maries County, Missouri have a college degree?
17.3% of adults in Maries 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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