City · Ohio
Miamisburg, Ohio
Miamisburg, city, in Montgomery County, Ohio. Miamisburg had 20,414 residents on July 1, 2025 by the Census Bureau's estimate, up 2.4% since 2020; the 2020 Census counted 19,923 and the ACS 2020-2024 5-year estimates put it at 19,948 (±49). GEOID 3949434.
Residents, July 2025 estimate
20,414
Census Bureau estimate (no margin published)
2020 Census count: 19,923 · ACS 2020-2024: 19,948 ±49
Median household income
$82,900
±$6,833 (90% margin)
Ohio: $71,389
Median home value
$231,300
±$9,872 (90% margin)
Ohio: $214,800
Median gross rent
$1,132
±$102 (90% margin)
Ohio: $1,034
Where is Miamisburg and what county is it in?
Miamisburg is a city in Montgomery County, Ohio. It covers 12.3 square miles of land, 1,625 residents per square mile in 2020.
Miamisburg is in the Dayton-Kettering-Beavercreek, OH metropolitan statistical area, which takes in 3 counties (Census Bureau delineation, July 2023).
Miamisburg lies entirely within Miami Township (Montgomery County), a township with its own local government (2020 census blocks).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Miamisburg, and is it growing?
The Census Bureau estimates that 20,414 people lived in Miamisburg on July 1, 2025, up 2.4% since 2020, faster than Ohio (+0.9%). The 2020 Census counted 19,923 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 19,948 (±49).
| Measure | Miamisburg | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 19,948 ±49 | 536,096 | no clear change |
| Households | 7,656 ±550 | 231,319 | no clear change |
| Average household size | 2.57 ±0.18 | 2.24 | no clear change |
| Housing units | 7,937 ±564 | 252,843 | −862 |
Miamisburg's population since 2000
From 19,489 in 2000 to 20,414 in 2025: up 4.7%. The 2000, 2010 and 2020 figures are census counts, each for Miamisburg as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Miamisburg?
The median resident of Miamisburg is 40.0 years old; 23.9% are under 18 and 18.4% are 65 or older. The largest group is non-Hispanic white residents at 86.5%, then non-Hispanic residents of two or more races at 4.4%. 2.5% of residents were born outside the United States.
| Measure | Miamisburg | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.0 ±3.7 | 38.8 | no clear change |
| Under 18 years | 23.9% ±2.1 pts | 22.2% | – |
| 65 years and over | 18.4% ±2.7 pts | 18.6% | – |
| Male | 48.0% ±2.2 pts | 48.4% | – |
| Hispanic or Latino (any race) | 2.0% ±1.0 pts | 4.2% | – |
| White alone, not Hispanic | 86.5% ±2.8 pts | 67.7% | −5.6 pts |
| Black or African American alone, not Hispanic | 3.8% ±1.3 pts | 20.4% | no clear change |
| Asian alone, not Hispanic | 2.9% ±1.9 pts | 2.2% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.2 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.2 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.4% ±1.4 pts | 5.0% | – |
| Some other race alone, not Hispanic | 0.2% ±0.2 pts | 0.4% | – |
| Born outside the United States | 2.5% ±1.4 pts | 5.3% | no clear change |
| Speak a language other than English at home (age 5+) | 5.3% ±2.6 pts | 7.3% | – |
| Civilian veterans (age 18+) | 7.3% ±1.9 pts | 8.4% | – |
| With a disability | 15.8% ±2.7 pts | 15.2% | – |
| No health insurance coverage | 7.2% ±2.1 pts | 6.5% | no clear change |
| High school graduate or higher (age 25+) | 92.3% ±3.1 pts | 92.6% | – |
| Bachelor's degree or higher (age 25+) | 28.3% ±3.6 pts | 31.3% | no clear change |
| Graduate or professional degree (age 25+) | 11.5% ±2.0 pts | 12.9% | – |
| Lived in the same house a year earlier | 89.9% ±2.6 pts | 85.9% | – |
| Moved from another state in the past year | 1.6% ±1.0 pts | 1.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Miamisburg earn?
Half of Miamisburg's 7,656 households earn less than $82,900 a year (±$6,833), against $66,139 in Montgomery County and $71,389 in Ohio. In 2015-2019 it was $77,585 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.8% of residents live below the poverty line.
| Measure | Miamisburg | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $82,900 ±$6,833 | $66,139 | no clear change |
| Mean household income | $99,342 ±$6,517 | $88,114 | – |
| Per capita income | $39,360 ±$2,844 | $38,450 | no clear change |
| People below the poverty line | 11.8% ±3.4 pts | 15.0% | no clear change |
| Children under 18 below the poverty line | 18.8% ±9.0 pts | 22.2% | no clear change |
| Households receiving SNAP | 5.4% ±1.8 pts | 13.5% | – |
| Households with a computer | 95.3% ±2.0 pts | 94.6% | – |
| Households with a broadband subscription | 91.9% ±2.3 pts | 90.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Miamisburg?
Owners occupy 72.9% of Miamisburg's occupied homes and renters 27.1%. The median owner-occupied home is valued at $231,300 by its owner (±$9,872). The median renter pays $1,132 a month including utilities, and 35.3% of renters pay 35% or more of their income on rent.
| Measure | Miamisburg | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $231,300 ±$9,872 | $180,900 | +$53,342 |
| Median gross rent | $1,132 ±$102 | $1,026 | +$129 |
| Renters paying 35% or more of income on rent | 35.3% ±9.1 pts | 38.2% | no clear change |
| Median monthly owner costs, with a mortgage | $1,523 ±$101 | $1,438 | – |
| Owner-occupied homes | 72.9% ±4.3 pts | 62.5% | no clear change |
| Renter-occupied homes | 27.1% ±4.3 pts | 37.5% | – |
| Housing units | 7,937 ±564 | 252,843 | −862 |
| Homeowner vacancy rate | 0.3% ±0.3 pts | 1.3% | – |
| Rental vacancy rate | 1.3% ±2.1 pts | 4.7% | – |
| Single-family detached homes | 77.5% ±2.9 pts | 67.4% | – |
| Mobile homes | 0.2% ±0.3 pts | 1.3% | – |
| Built 2020 or later | 0.8% ±0.7 pts | 0.7% | – |
| Built 2010 to 2019 | 2.0% ±1.1 pts | 3.0% | – |
| Built 1939 or earlier | 15.3% ±2.5 pts | 15.6% | – |
| Households with no vehicle | 5.4% ±1.8 pts | 8.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Miamisburg building?
Builders took permits for 104 new housing units in Miamisburg in 2025 (104 in single-family houses), 5.1 per 1,000 residents against 2.8 across Ohio.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Miamisburg work and get to work?
78.1% of Miamisburg's workers drive alone and 12.0% work from home. The average trip to work takes 27.6 minutes.
| Measure | Miamisburg | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 67.1% ±3.6 pts | 63.4% | – |
| Unemployment rate | 6.1% ±4.8 pts | 5.7% | – |
| Drove alone to work | 78.1% ±3.8 pts | 76.2% | – |
| Carpooled | 8.0% ±2.8 pts | 7.7% | – |
| Public transportation | 0.0% ±0.4 pts | 1.2% | – |
| Walked | 1.2% ±0.9 pts | 2.0% | – |
| Worked from home | 12.0% ±3.5 pts | 12.0% | – |
| Mean travel time to work | 27.6 min ±2.6 | 21.9 min | +7.4 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Miamisburg?
4 census tracts lie mostly in Miamisburg, and 7 more reach into it (2020 census blocks). Their median household incomes run from $55,529 (Tract 504.02) to $101,136 (Tract 505.02).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 505.03Montgomery County | 7,025 | $83,694 |
| Tract 504.01Montgomery County | 4,906 | $78,889 |
| Tract 505.04Montgomery County | 5,653 | $79,589 |
| Tract 504.02Montgomery County | 1,898 | $55,529 |
| Tract 505.02Montgomery County | 2,803 | $101,136 |
| Tract 506Montgomery County | 4,622 | $92,287 |
| Tract 503.02Montgomery County | 5,746 | $86,571 |
| Tract 501.01Montgomery County | 3,771 | $56,607 |
| Tract 501.07Montgomery County | 3,713 | $66,830 |
| Tract 503.03Montgomery County | 4,219 | $55,146 |
| Tract 501.04Montgomery County | 2,948 | $67,311 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Miamisburg) · Census block assignment files
How does Miamisburg compare with other places in Ohio?
By the Census Bureau's July 2025 estimates, Miamisburg is the 1,905th-most populous of the 19,476 U.S. incorporated places that have one and the 83rd-most populous of 923 in Ohio.
Miamisburg ranks 585th of 1,699 places in Ohio with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 83rd | 923 |
| Growth 2020-2025 (PEP) | 313th | 1,589 |
| Residents per square mile | 336th | 1,734 |
| Median household income | 585th | 1,699 |
| Per capita income | 663rd | 1,729 |
| Median home value | 566th | 1,707 |
| Median gross rent | 291st | 1,453 |
| Poverty rate | 513th | 1,116 |
| Bachelor's degree or higher | 506th | 1,613 |
| Median age | 1,098th | 1,727 |
| Owner-occupied share | 1,168th | 1,732 |
| Work from home | 450th | 990 |
| Travel time to work | 492nd | 1,731 |
Miamisburg's figures with every place in Ohio (CSV)
Every place in Ohio, sortable · Compare Miamisburg with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Miamisburg?
10 of the 57 figures for Miamisburg on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Miamisburg are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Miamisburg.