Population 290 · Census ACS 2020–24
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Population and households in Trees Mills
Household size in Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.38 | 2.37 | 2.51 | 2.68 |
| 2010–14 | 2.41 | 2.35 | 2.53 | 2.73 |
| 2015–19 | 2.36 | 2.29 | 2.50 | 2.71 |
| 2020–24 | 2.36 | 2.30 | 2.46 | 2.65 |
| Change | −0.02 | −0.07 | −0.05 | −0.03 |
Households in Trees Mills are small: just 2.36 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. The Pittsburgh area as a whole looks much the same.
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 Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 43.4 | 42.5 | 40.3 | 37.7 |
| 2010–14 | 46.3 | 43.0 | 41.0 | 38.6 |
| 2015–19 | 49.8 | 43.7 | 41.8 | 39.6 |
| 2020–24 | 53.7 | 43.9 | 42.0 | 40.1 |
| Change | +10.3 | +1.4 | +1.7 | +2.3 |
With a median age of 53.7, Trees Mills is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 43.4 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.7% | 8.9% | 10.5% | 12.3% |
| 2010–14 | 3.3% | 8.8% | 10.6% | 12.3% |
| 2015–19 | 12.6% | 8.4% | 10.5% | 11.6% |
| 2020–24 | 3.6% | 8.8% | 10.7% | 11.6% |
| Change | −4.2 pts | −0.0 pts | +0.2 pts | −0.6 pts |
Single parents head only 3.6% of households in Trees Mills, well below the national share of 11.6%.
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 Trees Mills
Renters in Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 10.7% | 28.5% | 29.0% | 33.3% |
| 2010–14 | 16.3% | 29.9% | 30.5% | 35.6% |
| 2015–19 | 17.9% | 30.3% | 31.1% | 36.0% |
| 2020–24 | 7.0% | 29.3% | 30.7% | 34.8% |
| Change | −3.7 pts | +0.8 pts | +1.7 pts | +1.5 pts |
Trees Mills is overwhelmingly a place of homeowners: only 7.0% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Nearly half of owners (48.0%) have paid off their mortgages, above the national share of 39.8%.
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 Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.4% | 10.7% | 10.3% | 11.4% |
| 2010–14 | 10.4% | 10.4% | 10.5% | 11.4% |
| 2015–19 | 7.4% | 10.5% | 10.7% | 11.1% |
| 2020–24 | 15.3% | 10.0% | 9.1% | 9.6% |
| Change | +5.9 pts | −0.7 pts | −1.2 pts | −1.8 pts |
Vacancy is high in Trees Mills: 15.3% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
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 Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 1973 | 1960 | 1963 | 1974 |
| 2010–14 | 1961 | 1961 | 1964 | 1975 |
| 2015–19 | 1976 | 1962 | 1965 | 1977 |
| 2020–24 | 1973 | 1964 | 1967 | 1980 |
| Change | +0 | +4 | +4 | +6 |
Homes in Trees Mills run older than the national norm, with a median build year of 1973 against 1980. Locally, though, homes here are newer than in the wider Pittsburgh area, where the median home dates to 1964.
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 Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | $751 | $720 | $829 | $965 |
| 2010–14 | $680 | $801 | $923 | $1,040 |
| 2015–19 | $746 | $922 | $1,039 | $1,213 |
| 2020–24 | $901 | $1,162 | $1,323 | $1,571 |
| Change | +$150 | +$442 | +$494 | +$606 |
Rent in Trees Mills runs $901 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 24.5% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.
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 Trees Mills
Bachelor's degrees in Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 14.9% | 29.5% | 27.2% | 28.4% |
| 2010–14 | 17.1% | 31.7% | 28.7% | 29.6% |
| 2015–19 | 20.5% | 35.2% | 31.8% | 32.1% |
| 2020–24 | 24.5% | 39.0% | 35.6% | 35.6% |
| Change | +9.6 pts | +9.5 pts | +8.3 pts | +7.2 pts |
Fewer adults in Trees Mills have a four-year degree than in the country as a whole: 24.5%, against 35.6% nationally.
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 Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 90.0% | 90.8% | 87.3% | 84.9% |
| 2010–14 | 88.1% | 92.3% | 88.8% | 86.1% |
| 2015–19 | 89.3% | 93.8% | 90.3% | 87.7% |
| 2020–24 | 98.1% | 95.0% | 91.8% | 89.3% |
| Change | +8.0 pts | +4.2 pts | +4.5 pts | +4.3 pts |
Finishing high school is nearly universal in Trees Mills: 98.1% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Trees Mills
| Period | Trees Mills | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.8% | 6.9% | 7.5% | 8.1% |
| 2010–14 | 4.5% | 7.5% | 8.8% | 9.4% |
| 2015–19 | 0.0% | 4.9% | 5.5% | 5.6% |
| 2020–24 | 0.0% | 5.0% | 5.4% | 5.4% |
| Change | −5.8 pts | −1.9 pts | −2.1 pts | −2.7 pts |
The survey found almost no one in Trees Mills out of work and looking, against 5.4% of the labor force nationally. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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).
Trees Mills compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Trees Mills | 2.36 | 53.7 | 3.6% | 7.0% | 15.3% | 1973 | $901 | 24.5% | 98.1% | 0.0% |
| Slickville | 2.38 | 51.0 | 6.2% | 15.5% | 21.8% | 1966 | $1,128 | 17.7% | 91.9% | 1.0% |
| Delmont | 2.08 | 51.6 | 8.2% | 28.7% | 5.3% | 1973 | $958 | 43.1% | 95.6% | 5.7% |
| Congruity | 2.43 | 47.0 | 2.4% | 1.8% | 1.4% | 1974 | $541 | 39.9% | 100.0% | 0.0% |
| Export | 2.42 | 48.0 | 5.5% | 18.5% | 8.5% | 1978 | $1,170 | 46.9% | 97.7% | 3.8% |
| Perryville | 2.23 | 50.3 | 9.8% | 17.7% | 7.4% | 1963 | $785 | 22.2% | 91.2% | 5.0% |
| Mamont | 2.46 | 57.5 | 5.1% | 10.7% | 4.6% | 1984 | $1,035 | 27.8% | 96.2% | 0.6% |
| Loyalhanna Woodlands Number 2 | 2.45 | 45.1 | 1.9% | 16.3% | 18.5% | 1960 | $1,052 | 24.7% | 89.4% | 0.0% |
| Salina | 2.06 | 52.5 | 6.0% | 10.0% | 4.9% | 1945 | $684 | 18.3% | 88.0% | 3.9% |
| Forbes Road | 2.36 | 60.8 | 1.2% | 1.9% | 14.8% | 1972 | $615 | 38.7% | 95.4% | 0.3% |
| Claridge | 2.32 | 41.9 | 5.1% | 19.2% | 3.2% | 1985 | $1,844 | 38.3% | 98.9% | 3.7% |
All figures 2020–24.
Cities with similar populations: West Alton, MO · Bolling, AL · Berrydale, FL · Berkshire, MA · Bonita, TX · Wiltshire, MS · Boone, OK · Bowers, PA · Berwick, MS · Basin, MT
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 Trees Mills. 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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