County · Ohio
Montgomery County, Ohio
Montgomery County, Ohio. Montgomery County had 539,598 residents in 2025 by the Census Bureau's estimate, up 0.4% since 2020, in line with Ohio (+0.9%). It holds 34 places (22 cities, villages and boroughs, 9 towns and townships and 3 census-designated) and 156 census tracts. GEOID 39113.
Montgomery County is one of the 3 counties of the Dayton-Kettering-Beavercreek, OH metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
539,598
Census Bureau estimate (no margin published)
2020 Census count: 537,309 · ACS 2020-2024: 536,096
Median household income
$66,139
±$1,144 (90% margin)
Ohio: $71,389
Median home value
$180,900
±$2,949 (90% margin)
Ohio: $214,800
Median gross rent
$1,026
±$16 (90% margin)
Ohio: $1,034
How many people live in Montgomery County, and is it growing?
The 2020 Census counted 537,309 residents in Montgomery County. The Census Bureau estimates 539,598 for July 1, 2025, up 0.4% since 2020, in line with Ohio (+0.9%). The 2020-2024 American Community Survey puts the population at 536,096 over 461 square miles of land.
| Measure | Montgomery County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Total population | 536,096 | 11,810,293 | +4,426 |
| Households | 231,319±1,238 | 4,863,191 | +6,991 |
| Average household size | 2.24±0.01 | 2.37 | −0.05 |
| Housing units | 252,843±607 | 5,292,391 | −1,967 |
Montgomery County's population since 2000
From 559,062 in 2000 to 539,598 in 2025: down 3.5%. The 2000, 2010 and 2020 figures are census counts. 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); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Montgomery County?
Montgomery County holds 34 places: 22 cities, villages and boroughs (incorporated places), 9 towns and townships (county subdivisions with their own government) and 3 census-designated places. The largest is Dayton with 136,688 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Dayton | 137,644 | $45,247 |
|---|---|---|
| Washington Township, Montgomery County | 61,682 | $98,679 |
| Kettering | 57,862 | $74,681 |
| Miami Township, Montgomery County | 52,156 | $79,536 |
| Huber Heights | 43,439 | $79,131 |
| Riverside | 24,474 | $61,352 |
| Centerville | 24,240 | $85,492 |
| Trotwood | 23,070 | $50,113 |
| Harrison Township, Montgomery County | 21,814 | $45,125 |
| Miamisburg | 19,923 | $82,900 |
| Vandalia | 15,209 | $73,275 |
| Englewood | 13,463 | $80,030 |
| Clayton | 13,310 | $92,879 |
| West Carrollton | 13,129 | $61,619 |
| Shiloh, Montgomery County | 10,952 | $45,874 |
| Oakwood | 9,572 | $156,667 |
| Clay Township, Montgomery County | 8,876 | $75,531 |
| German Township, Montgomery County | 8,747 | $97,250 |
| Butler Township, Montgomery County | 8,269 | $93,151 |
| Union | 6,859 | $73,353 |
| Moraine | 6,393 | $48,788 |
| Jackson Township, Montgomery County | 6,076 | $77,199 |
| Brookville | 5,989 | $63,598 |
| Jefferson Township, Montgomery County | 5,855 | $73,438 |
| Perry Township, Montgomery County | 5,848 | $76,364 |
| Germantown | 5,796 | $90,125 |
| New Lebanon | 3,796 | $69,906 |
| Fort McKinley | 3,473 | $45,687 |
| Drexel | 1,693 | $32,094 |
| Springboro | 19,062 | $119,659 |
| Farmersville | 975 | $80,313 |
| Phillipsburg | 498 | $74,722 |
| Carlisle | 5,501 | $71,136 |
| Verona | 403 | $66,250 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Montgomery County?
The median resident of Montgomery County is 38.8 years old; 22.2% are under 18 and 18.6% are 65 or older. The largest group is non-Hispanic white residents at 67.7%, then non-Hispanic Black residents at 20.4%. 5.3% of residents were born outside the United States.
| Measure | Montgomery County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median age | 38.8±0.2 | 39.7 | −0.4 |
| Under 18 years | 22.2%±0.1 pts | 22.0% | – |
| 65 years and over | 18.6%±0.1 pts | 18.3% | – |
| Hispanic or Latino (any race) | 4.2% | 4.8% | +1.2 pts |
| White alone, not Hispanic | 67.7%±0.1 pts | 75.8% | −3.0 pts |
| Black or African American alone, not Hispanic | 20.4%±0.3 pts | 12.0% | no clear change |
| Asian alone, not Hispanic | 2.2%±0.1 pts | 2.5% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.0%±0.3 pts | 4.3% | – |
| Some other race alone, not Hispanic | 0.4%±0.1 pts | 0.4% | – |
| Born outside the United States | 5.3%±0.3 pts | 5.2% | +0.4 pts |
| Speak a language other than English at home (age 5+) | 7.3%±0.4 pts | 8.0% | – |
| Civilian veterans (age 18+) | 8.4%±0.3 pts | 6.6% | – |
| With a disability | 15.2%±0.4 pts | 14.4% | – |
| No health insurance coverage | 6.5%±0.4 pts | 6.4% | no clear change |
| High school graduate or higher (age 25+) | 92.6%±0.4 pts | 91.8% | – |
| Bachelor's degree or higher (age 25+) | 31.3%±0.7 pts | 31.5% | +3.4 pts |
| Graduate or professional degree (age 25+) | 12.9%±0.4 pts | 12.2% | – |
| Moved from another state in the past year | 1.9%±0.2 pts | 1.6% | – |
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 Montgomery County earn?
Half of Montgomery County's 231,319 households earn less than $66,139 a year (±$1,144), against $71,389 in Ohio. In 2015-2019 the median was $63,432 in 2024 dollars, so it rose by $2,707 after inflation. 15.0% of residents live below the poverty line.
| Measure | Montgomery County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $66,139±$1,144 | $71,389 | +$2,707 |
| Mean household income | $88,114±$1,350 | $96,990 | – |
| Per capita income | $38,450±$563 | $40,552 | +$1,487 |
| People below the poverty line | 15.0%±0.7 pts | 13.3% | −1.6 pts |
| Children under 18 below the poverty line | 22.2%±1.6 pts | 17.8% | −3.0 pts |
| Households receiving SNAP | 13.5%±0.6 pts | 12.5% | – |
| Households with a broadband subscription | 90.6%±0.5 pts | 90.1% | – |
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 Montgomery County?
Owners occupy 62.5% of Montgomery County's occupied homes and renters 37.5%. The median owner-occupied home is valued at $180,900 by its owner (±$2,949). The median renter pays $1,026 a month including utilities, and 38.2% of renters pay 35% or more of their income on rent.
| Measure | Montgomery County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $180,900±$2,949 | $214,800 | +$33,463 |
| Median gross rent | $1,026±$16 | $1,034 | +$50 |
| Renters paying 35% or more of income on rent | 38.2%±1.6 pts | 37.3% | no clear change |
| Median monthly owner costs, with a mortgage | $1,438±$16 | $1,517 | – |
| Owner-occupied homes | 62.5%±0.8 pts | 67.2% | +1.5 pts |
| Housing units | 252,843±607 | 5,292,391 | −1,967 |
| Homeowner vacancy rate | 1.3%±0.3 pts | 0.8% | – |
| Rental vacancy rate | 4.7%±0.6 pts | 4.4% | – |
| Single-family detached homes | 67.4%±0.8 pts | 68.8% | – |
| Mobile homes | 1.3%±0.2 pts | 3.4% | – |
| Built 2020 or later | 0.7%±0.1 pts | 1.1% | – |
| Built 1939 or earlier | 15.6%±0.6 pts | 19.0% | – |
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 Montgomery County building?
Builders took permits for 1,079 new housing units across Montgomery County in 2025 (630 single-family), 2.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Montgomery County get to work?
76.2% of Montgomery County's workers drive alone and 12.0% work from home. The average trip to work takes 21.9 minutes. The unemployment rate in 2020-2024 averaged 5.7%.
| Measure | Montgomery County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 63.4%±0.6 pts | 63.1% | – |
| Unemployment rate | 5.7%±0.4 pts | 4.8% | −0.7 pts |
| Drove alone to work | 76.2%±0.8 pts | 75.1% | – |
| Carpooled | 7.7%±0.5 pts | 7.5% | – |
| Public transportation | 1.2%±0.2 pts | 1.0% | – |
| Walked | 2.0%±0.4 pts | 2.0% | – |
| Worked from home | 12.0%±0.6 pts | 13.0% | +8.2 pts |
| Mean travel time to work | 21.9 min±0.3 | 23.4 min | no clear change |
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 are Montgomery County's census tracts?
Montgomery County is divided into 156 census tracts. Among those with a reliable estimate, median household income runs from $23,991 (Tract 39) to $198,125 (Tract 101).
All 156 census tracts of Montgomery County, with their figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Montgomery County compare with Ohio's other counties?
| Measure | Rank |
|---|---|
| Population | 5th of 88 |
| Growth 2020-2025 | 32nd of 88 |
| Residents per square mile | 6th of 88 |
| Median household income | 47th of 88 |
| Median home value | 47th of 88 |
| Median gross rent | 16th of 88 |
| Poverty rate | 29th of 88 |
| Bachelor's degree or higher | 18th of 88 |
| Median age | 78th of 88 |
Source: PlainCities ranks 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 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 Montgomery County 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' school search.