Miami County, Indiana Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Miami County, IN 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 averageLess healthy than 84% of counties in Indiana
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D
Income Well below averageLess wealthy than 90% of counties in Indiana
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F
Education Well below averageLess educated than 80% of counties in Indiana
Source: Map AI Methodology
Population: density and quick facts
| Metric | Miami County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Population | 35,712 | 6,845,048 | 337,468,954 |
| Population density (per sq mi) | 94.7 | 188.1 | 86.4 |
| Population growth (%/yr) | -0.13% | 0.47% | 0.59% |
| Median age | 41.8 | 35.9 | 37.3 |
| Households | 13,318 | 2,713,821 | 130,235,071 |
Population in Miami County declined by 2.2% from 2009 to 2024, reaching 35,712 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Miami County is Gen X, aged 45–60, at 22.0% of residents. That is 2.5 points above Indiana as a whole.
- Gen Z 13–28 7,366 20.6% -1.6 pts
- Millennials 29–44 7,420 20.8% -0.4 pts
- Gen X 45–60 7,869 22.0% +2.5 pts
- Boomers 61–79 6,404 17.9% +1.2 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 Indiana, 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 46.3% of the people living in Miami County and men 53.7%.
- Women 46.3% Indiana 50.4%
- Men 53.7% Indiana 49.6%
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 D, which means it is barely prosperous.
| Metric | Miami County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Median household income | $61,107 | $71,967 | $80,455 |
| Income growth (%/yr) | 3.75% | 4.54% | 4.80% |
| Unemployment rate | 6.6% | 4.3% | 5.2% |
The median household income in Miami County is about 15% lower than in Indiana.
Housing
| Metric | Miami County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Median home price | $57,177 | $142,738 | $248,835 |
| Median rent | $838 | $1,062 | $1,407 |
| Homeownership rate | 76.2% | 70.6% | 65.2% |
The median home price in Miami County is about 5.7 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $838 per month for that long.
Commute Time & Mobility
Commuters in Miami County spend about 42 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 175 hours, about 7.3 full days, spent commuting.
| Metric | Miami County | Indiana Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.0 | 21.1 | 22.4 |
| Round-trip commute (min) | 42.0 | 42.2 | 44.8 |
| Yearly time spent (hours) | 175 | 176 | 187 |
| Estimated yearly cost | $5,424 | $5,455 | $5,790 |
| Work from home | 4.9% | 10.7% | 15.0% |
| Highway traffic (vehicles/day) | 4,955 | 8,333 | 8,813 |
| Local road traffic (vehicles/day) | 859 | 1,308 | 1,355 |
Fastest commutes among counties in
Indiana:
Knox County (15.8 min), Howard County (15.9 min), Daviess County (16.3 min).
Slowest:
Crawford County (33.6 min), Brown County (32.6 min), Franklin County (31.9 min).
The average commute time in Miami County is about the same as in Indiana.
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 F, which means it scores poorly in education.
| Metric | Miami County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 14.4% | 26.0% | 31.6% |
| Average household size | 2.50 | 2.45 | 2.53 |
Highest education index among counties in
Indiana:
Hamilton County (0.4), Boone County (0.4), Monroe County (0.3).
Lowest:
LaGrange County (0.1), Crawford County (0.2), Switzerland County (0.2).
Health
Miami County has a health index of C, which means it is somewhat healthy.
| Metric | Miami County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 76.3 | 77.4 | 78.3 |
| Self-rated poor health | 19.3% | 17.1% | 16.3% |
| Smokers | 24.9% | 22.4% | 19.0% |
Highest health index among counties in
Indiana:
Hamilton County (0.8), Monroe County (0.8), Boone County (0.8).
Lowest:
LaGrange County (0.8), Daviess County (0.8), Switzerland County (0.8).
Miami County, IN Compared With Nearby Counties
Miami County, IN is typical in size for this group, 35,712 residents against a local median of 34,262, so the measures below are close to a like for like comparison. The measure that sets Miami County, IN apart most is median home price: $57,177, 32% above the local median of $43,388.
Commute tells the same story from another angle: 21.0 min against a local median of 17.3 min, 21% above it. The one measure here that carries a verdict is commute, and at 21% above the local median it puts Miami County, IN at the weaker end of the local range. The counties themselves spread $63,221 on median home price, so Miami County, IN sits at one end of an already wide local range rather than apart from it. Miami County, IN has the 2nd highest median home price of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Miami County, IN | 35,712 | $61,107 #4/5 | $57,177 #2/5 | 21.0 min #5/5 |
| Wabash County, IN | 30,844 | $67,266 | $92,826 | 17.6 min |
| Howard County, IN | 83,752 | $64,338 | $29,604 | 15.9 min |
| Cass County, IN | 37,680 | $56,927 | $54,000 | 17.0 min |
| Fulton County, IN | 20,312 | $61,794 | $32,777 | 18.2 min |
Frequently Asked Questions
Common questions about Miami County, Indiana.
How many people live in Miami County, Indiana?
About 35,712 people live in Miami County, Indiana, in 13,318 households of 2.5 people on average. The median age is 41.8, so residents are older than the U.S. median of 37.3 by about 4 years.
Is Miami County, Indiana urban or rural?
Averaged over its land area, Miami County, Indiana has 95 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, Indiana?
The median home costs 0.9 times the median household income ($57,177 against $61,107), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $838 a month takes about 16% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Miami County, Indiana?
Unemployment in Miami County, Indiana is 6.6%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.
How common is a college degree in Miami County, Indiana?
14.4% of adults in Miami County, Indiana hold a bachelor's degree or higher (about 1 in 7), well below the U.S. share of 31.6%.
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