Franklin County, Missouri Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Franklin 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 89% of counties in Missouri
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B
Income Around averageWealthier than 90% of counties in Missouri
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D
Education Well below averageBetter educated than 78% of counties in Missouri
Source: Map AI Methodology
Population: density and quick facts
| Metric | Franklin County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Population | 105,953 | 6,186,340 | 337,468,954 |
| Population density (per sq mi) | 113.9 | 88.8 | 86.4 |
| Population growth (%/yr) | 0.47% | 0.28% | 0.59% |
| Median age | 42.8 | 37.5 | 37.3 |
| Households | 43,037 | 2,507,647 | 130,235,071 |
Population in Franklin County grew by 6.1% from 2009 to 2024, reaching 105,953 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Franklin County is Gen X, aged 45–60, at 22.0% of residents. That is 2.4 points above Missouri as a whole.
- Gen Z 13–28 20,198 19.1% -2.1 pts
- Millennials 29–44 20,829 19.7% -1.6 pts
- Gen X 45–60 23,292 22.0% +2.4 pts
- Boomers 61–79 19,786 18.7% +0.8 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 Franklin 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 Franklin County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Franklin County has a the economy index of B, which means it is quite prosperous.
| Metric | Franklin County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median household income | $73,054 | $70,801 | $80,455 |
| Income growth (%/yr) | 4.64% | 4.56% | 4.80% |
| Unemployment rate | 4.3% | 4.0% | 5.2% |
The median household income in Franklin County is about 3% higher than in Missouri.
Housing
| Metric | Franklin County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median home price | $209,682 | $145,462 | $248,835 |
| Median rent | $892 | $1,033 | $1,407 |
| Homeownership rate | 76.5% | 68.1% | 65.2% |
The median home price in Franklin County is about 19.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $892 per month for that long.
Commute Time & Mobility
Commuters in Franklin County spend about 45 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 189 hours, about 7.9 full days, spent commuting.
| Metric | Franklin County | Missouri Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 22.7 | 21.0 | 22.4 |
| Round-trip commute (min) | 45.3 | 41.9 | 44.8 |
| Yearly time spent (hours) | 189 | 175 | 187 |
| Estimated yearly cost | $5,856 | $5,415 | $5,790 |
| Work from home | 10.3% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 10,634 | 7,545 | 8,813 |
| Local road traffic (vehicles/day) | 1,416 | 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 Franklin County is 23 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
Franklin County has a education index of D, which means it is barely educated.
| Metric | Franklin County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 20.4% | 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
Franklin County has a health index of B, which means it is quite healthy.
| Metric | Franklin County | Missouri Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.0 | 76.9 | 78.3 |
| Self-rated poor health | 15.4% | 19.0% | 16.3% |
| Smokers | 21.1% | 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).
Franklin County, MO Compared With Nearby Counties
Franklin County, MO is the 2nd largest of the 5 counties compared here, 105,953 residents against a local median of 30,353. The measure that sets Franklin County, MO apart most is commute: 22.7 min, 15% below the local median of 26.7 min. That is the better end of the local range on this measure.
The counties themselves spread 10.1 min on commute, so Franklin County, MO sits at one end of an already wide local range rather than apart from it. Franklin County, MO has the 2nd lowest commute of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Franklin County, MO | 105,953 | $73,054 #3/5 | $209,682 #3/5 | 22.7 min #2/5 |
| Warren County, MO | 37,236 | $81,456 | $198,437 | 30.6 min |
| Washington County, MO | 23,470 | $56,625 | $229,237 | 31.4 min |
| Crawford County, MO | 22,797 | $58,081 | $47,758 | 21.3 min |
| St. Charles County, MO | 414,008 | $105,635 | $326,504 | 22.7 min |
Frequently Asked Questions
Common questions about Franklin County, Missouri.
How big is Franklin County, Missouri by population?
About 105,953 people live in Franklin County, Missouri, in 43,037 households of 2.4 people on average. The median age is 42.8, so residents are older than the U.S. median of 37.3 by about 6 years.
Is Franklin County, Missouri urban or rural?
Averaged over its land area, Franklin County, Missouri has 114 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is close to the U.S. average of 86.
How affordable is housing in Franklin County, Missouri?
The median home costs 2.9 times the median household income ($209,682 against $73,054), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $892 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in Franklin County, Missouri?
20.4% of adults in Franklin County, Missouri hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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