Population 536,096 · Census ACS 2020–24
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Population and households in Montgomery County
Household size in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.40 | 2.43 | 2.51 | 2.68 |
| 2010–14 | 2.38 | 2.42 | 2.51 | 2.73 |
| 2015–19 | 2.33 | 2.39 | 2.47 | 2.71 |
| 2020–24 | 2.32 | 2.37 | 2.46 | 2.65 |
| Change | −0.08 | −0.06 | −0.05 | −0.03 |
Montgomery County is a place of small households, averaging 2.32 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has edged down from 2.40, mirroring the country. Few Ohio counties have smaller households: only five of 88.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 39.7 | 39.5 | 39.0 | 37.7 |
| 2010–14 | 40.7 | 40.5 | 40.0 | 38.6 |
| 2015–19 | 41.0 | 41.0 | 40.7 | 39.6 |
| 2020–24 | 40.8 | 41.0 | 40.8 | 40.1 |
| Change | +1.1 | +1.5 | +1.8 | +2.3 |
Half of the people in Montgomery County are younger than 40.8 and half are older, close to the national median of 40.1. The median age has climbed from 39.7 in 2006–10, in line with the national trend. The youngest areas are in the center, the oldest in the northwest.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 13.5% | 12.4% | 11.7% | 12.3% |
| 2010–14 | 13.6% | 12.6% | 11.9% | 12.3% |
| 2015–19 | 13.6% | 12.2% | 11.7% | 11.6% |
| 2020–24 | 12.7% | 11.5% | 11.7% | 11.6% |
| Change | −0.8 pts | −0.9 pts | −0.0 pts | −0.6 pts |
Single parents head about one in eight households in Montgomery County (12.7%), a bit above the national share of 11.6%. Since 2006–10, the single-parent share has edged down 0.8 points, in line with the national trend. Montgomery County has a higher share of single-parent households than at least four in five Ohio counties.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Montgomery County
Renters in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 35.5% | 33.9% | 30.8% | 33.3% |
| 2010–14 | 38.4% | 36.2% | 33.1% | 35.6% |
| 2015–19 | 39.0% | 36.8% | 33.9% | 36.0% |
| 2020–24 | 37.5% | 35.0% | 32.8% | 34.8% |
| Change | +2.1 pts | +1.1 pts | +2.0 pts | +1.5 pts |
Renting in Montgomery County is about as common as it is nationally: 37.5% of households rent, against 34.8%. Among owners, 40.7% have paid off their mortgages, about the same as nationally. The renter share is up 2.1 points from 2006–10, as it has nationally. Of Ohio's 88 counties, only five have a higher share of renters.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 11.9% | 10.8% | 10.8% | 11.4% |
| 2010–14 | 11.8% | 10.7% | 10.8% | 11.4% |
| 2015–19 | 11.8% | 10.6% | 10.2% | 11.1% |
| 2020–24 | 8.7% | 8.0% | 8.7% | 9.6% |
| Change | −3.1 pts | −2.8 pts | −2.2 pts | −1.8 pts |
About as many homes sit empty in Montgomery County as nationally: 8.7%, against 9.6%. Vacancy is down 3.1 points from 2006–10, in line with the national trend.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 1965 | 1967 | 1968 | 1974 |
| 2010–14 | 1965 | 1967 | 1969 | 1975 |
| 2015–19 | 1965 | 1968 | 1970 | 1977 |
| 2020–24 | 1967 | 1970 | 1972 | 1980 |
| Change | +2 | +3 | +4 | +6 |
Montgomery County is a place of older homes: half were built before 1967, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. Newer construction is concentrated in the south, while the center has the oldest housing.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | $752 | $775 | $765 | $965 |
| 2010–14 | $822 | $843 | $814 | $1,040 |
| 2015–19 | $877 | $893 | $901 | $1,213 |
| 2020–24 | $1,145 | $1,166 | $1,142 | $1,571 |
| Change | +$393 | +$391 | +$377 | +$606 |
Rent in Montgomery County runs $1,145 a month at the median, utilities included, well below the U.S. median of $1,571. Rents are up $393 a month from 2006–10, a 52% rise, a slower climb than the nation's. The typical renter here spends 29.6% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Renters on a budget will find the lowest rents in the north; the highest are in the south.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Montgomery County
Bachelor's degrees in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 25.0% | 26.7% | 25.4% | 28.4% |
| 2010–14 | 25.3% | 27.3% | 26.5% | 29.6% |
| 2015–19 | 28.4% | 30.0% | 28.9% | 32.1% |
| 2020–24 | 32.1% | 33.6% | 31.9% | 35.6% |
| Change | +7.1 pts | +6.9 pts | +6.5 pts | +7.2 pts |
Nearly a third of adults 25 and older in Montgomery County (32.1%) have a bachelor's degree or higher, a little below the national share of 35.6%. The share with a degree is up 7.1 points from 2006–10, mirroring the country. College graduates are most concentrated in the southeast and least in the west.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 87.8% | 88.7% | 87.7% | 84.9% |
| 2010–14 | 88.5% | 89.4% | 88.9% | 86.1% |
| 2015–19 | 90.1% | 91.0% | 90.4% | 87.7% |
| 2020–24 | 92.7% | 92.9% | 91.7% | 89.3% |
| Change | +4.8 pts | +4.2 pts | +4.0 pts | +4.3 pts |
About nine in ten adults in Montgomery County have finished high school (92.7%), above the national rate of 89.3%. That is in line with the rest of the Dayton area. The share with a diploma has risen 4.8 points since 2006–10, in line with the national trend.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Montgomery County
| Period | Montgomery County | Dayton area | Ohio | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.8% | 8.6% | 8.7% | 8.1% |
| 2010–14 | 10.9% | 10.0% | 9.4% | 9.4% |
| 2015–19 | 6.8% | 6.2% | 5.5% | 5.6% |
| 2020–24 | 5.7% | 5.0% | 4.9% | 5.4% |
| Change | −4.1 pts | −3.6 pts | −3.8 pts | −2.7 pts |
Unemployment in Montgomery County is close to the national rate: 5.7% of the labor force, against 5.4%. Unemployment is down 4.1 points from 2006–10, as it has nationally. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Montgomery County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Montgomery County | 2.32 | 40.8 | 12.7% | 37.5% | 8.7% | 1967 | $1,145 | 32.1% | 92.7% | 5.7% |
| Greene County | 2.45 | 40.7 | 9.2% | 32.0% | 6.9% | 1978 | $1,316 | 42.4% | 94.0% | 4.1% |
| Preble County | 2.44 | 43.7 | 11.2% | 20.3% | 8.3% | 1967 | $869 | 18.5% | 92.4% | 3.2% |
| Union County | 2.41 | 41.8 | 11.4% | 20.2% | 10.8% | 1967 | $882 | 19.1% | 88.5% | 4.4% |
| Wayne County | 2.48 | 41.6 | 11.6% | 30.8% | 12.1% | 1960 | $814 | 19.9% | 87.3% | 5.6% |
| Fayette County | 2.51 | 43.6 | 13.4% | 27.9% | 14.5% | 1962 | $921 | 16.1% | 86.0% | 3.4% |
| Pickaway County | 2.63 | 40.2 | 11.0% | 26.0% | 5.0% | 1979 | $1,190 | 22.4% | 90.1% | 3.3% |
| Rush County | 2.48 | 42.9 | 8.3% | 25.1% | 9.1% | 1956 | $851 | 18.9% | 91.1% | 4.5% |
| Fairfield County | 2.72 | 40.7 | 11.4% | 25.1% | 6.5% | 1982 | $1,388 | 32.6% | 94.1% | 3.9% |
| Hancock County | 2.53 | 40.9 | 8.2% | 20.5% | 4.3% | 1989 | $1,280 | 35.5% | 93.7% | 2.5% |
| Marion County | 2.53 | 35.9 | 14.4% | 43.5% | 9.9% | 1974 | $1,288 | 33.6% | 87.1% | 5.3% |
All figures 2020–24.
Counties with similar populations: Guilford County, NC · Ramsey County, MN · Pasco County, FL · Ocean County, NJ · New Castle County, DE · Montgomery County, TX · Lancaster County, PA · Spokane County, WA · Johnson County, KS · Stanislaus County, CA
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Montgomery County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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