Miami County, Kansas Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Miami County, KS 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 91% of counties in Kansas
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B
Income Around averageAmong the top 3 wealthiest counties in Kansas
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C
Education Below averageBetter educated than 93% of counties in Kansas
Source: Map AI Methodology
Population: density and quick facts
| Metric | Miami County | Kansas Avg | U.S. Average |
|---|---|---|---|
| Population | 34,938 | 2,945,842 | 337,468,954 |
| Population density (per sq mi) | 59.2 | 35.8 | 86.4 |
| Population growth (%/yr) | 0.80% | 0.19% | 0.59% |
| Median age | 42.7 | 38.7 | 37.3 |
| Households | 13,738 | 1,173,585 | 130,235,071 |
Population in Miami County grew by 14.5% from 2009 to 2024, reaching 34,938 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Miami County is Gen X, aged 45–60, at 23.1% of residents. That is 4.4 points above Kansas as a whole.
- Gen Z 13–28 6,839 19.6% -3.3 pts
- Millennials 29–44 6,852 19.6% -1.2 pts
- Gen X 45–60 8,072 23.1% +4.4 pts
- Boomers 61–79 6,053 17.3% +0.7 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 Kansas, 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 49.9% of the people living in Miami County and men 50.1%.
- Women 49.9% Kansas 50.0%
- Men 50.1% Kansas 50.0%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Miami County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Miami County has a the economy index of B, which means it is quite prosperous.
| Metric | Miami County | Kansas Avg | U.S. Average |
|---|---|---|---|
| Median household income | $89,392 | $74,287 | $80,455 |
| Income growth (%/yr) | 4.42% | 4.08% | 4.80% |
| Unemployment rate | 3.7% | 3.8% | 5.2% |
The median household income in Miami County is about 20% higher than in Kansas.
Housing
| Metric | Miami County | Kansas Avg | U.S. Average |
|---|---|---|---|
| Median home price | $111,141 | $104,644 | $248,835 |
| Median rent | $1,107 | $1,060 | $1,407 |
| Homeownership rate | 78.2% | 67.1% | 65.2% |
The median home price in Miami County is about 8.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,107 per month for that long.
Commute Time & Mobility
Commuters in Miami County spend about 62 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 256 hours, about 10.7 full days, spent commuting.
| Metric | Miami County | Kansas Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 30.8 | 17.2 | 22.4 |
| Round-trip commute (min) | 61.5 | 34.4 | 44.8 |
| Yearly time spent (hours) | 256 | 143 | 187 |
| Estimated yearly cost | $7,948 | $4,448 | $5,790 |
| Work from home | 14.1% | 11.8% | 15.0% |
| Highway traffic (vehicles/day) | 6,602 | 4,500 | 8,813 |
| Local road traffic (vehicles/day) | 1,158 | 662 | 1,355 |
Fastest commutes among counties in
Kansas:
Wichita County (7.0 min), Scott County (7.1 min), Greeley County (7.2 min).
Slowest:
Linn County (31.3 min), Miami County (30.8 min), Jefferson County (30.3 min).
The average commute time in Miami County is 31 minutes, longer than the 17 minutes in Kansas.
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
Miami County has a education index of C, which means it is somewhat educated.
| Metric | Miami County | Kansas Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 28.0% | 31.5% | 31.6% |
| Average household size | 2.49 | 2.44 | 2.53 |
Highest education index among counties in
Kansas:
Johnson County (0.4), Douglas County (0.4), Riley County (0.3).
Lowest:
Seward County (0.2), Grant County (0.2), Kearny County (0.2).
Health
Miami County has a health index of B, which means it is quite healthy.
| Metric | Miami County | Kansas Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.7 | 78.6 | 78.3 |
| Self-rated poor health | 11.6% | 15.3% | 16.3% |
| Smokers | 17.2% | 18.7% | 19.0% |
Highest health index among counties in
Kansas:
Johnson County (0.8), Riley County (0.8), Douglas County (0.8).
Lowest:
Wyandotte County (0.8), Woodson County (0.8), Chautauqua County (0.8).
Miami County, KS Compared With Nearby Counties
Miami County, KS is the 4th largest of the 5 counties compared here, 34,938 residents against a local median of 139,196. Where Miami County, KS breaks from the counties next to it is commute, sitting 49% above the local median of 20.7 min at 30.8 min. That is the weaker end of the local range on this measure.
Median home price tells the same story from another angle: $111,141 against a local median of $160,656, 31% below it. The counties themselves spread 6.8 min on commute, so Miami County, KS sits at one end of an already wide local range rather than apart from it. Miami County, KS has the 5th lowest commute of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Miami County, KS | 34,938 | $89,392 #2/5 | $111,141 #4/5 | 30.8 min #5/5 |
| Johnson County, KS | 619,445 | $109,616 | $260,124 | 20.2 min |
| Franklin County, KS | 26,106 | $77,141 | $180,682 | 20.1 min |
| Cass County, MO | 110,772 | $88,254 | $92,808 | 26.8 min |
| Wyandotte County, KS | 167,620 | $64,473 | $140,630 | 21.2 min |
Frequently Asked Questions
Common questions about Miami County, Kansas.
How many people live in Miami County, Kansas?
About 34,938 people live in Miami County, Kansas, in 13,738 households of 2.5 people on average. The median age is 42.7, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Miami County, Kansas urban or rural?
Averaged over its land area, Miami County, Kansas has 59 people per square mile, a density typical of rural areas. That is close to the U.S. average of 86.
How affordable is housing in Miami County, Kansas?
The median home costs 1.2 times the median household income ($111,141 against $89,392), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,107 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Miami County, Kansas?
Unemployment in Miami County, Kansas 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.
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