Population 476 · Census ACS 2020–24
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Population and households in Middlesex
Household size in Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.32 | 2.41 | 2.51 | 2.68 |
| 2010–14 | 2.69 | 2.43 | 2.53 | 2.73 |
| 2015–19 | 2.62 | 2.42 | 2.50 | 2.71 |
| 2020–24 | 2.37 | 2.44 | 2.46 | 2.65 |
| Change | +0.05 | +0.03 | −0.05 | −0.03 |
Households in Middlesex are small: just 2.37 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 Harrisburg 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 Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 47.4 | 39.8 | 40.3 | 37.7 |
| 2010–14 | 41.7 | 40.6 | 41.0 | 38.6 |
| 2015–19 | 40.6 | 40.9 | 41.8 | 39.6 |
| 2020–24 | 49.0 | 40.7 | 42.0 | 40.1 |
| Change | +1.6 | +0.8 | +1.7 | +2.3 |
With a median age of 49.0, Middlesex 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 47.4 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.
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 Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.1% | 10.0% | 10.5% | 12.3% |
| 2010–14 | 4.0% | 10.7% | 10.6% | 12.3% |
| 2015–19 | 15.4% | 10.2% | 10.5% | 11.6% |
| 2020–24 | 21.1% | 10.2% | 10.7% | 11.6% |
| Change | +16.0 pts | +0.2 pts | +0.2 pts | −0.6 pts |
Single-parent households are common in Middlesex: 21.1% of all households, against 11.6% nationally.
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 Middlesex
Renters in Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.0% | 30.3% | 29.0% | 33.3% |
| 2010–14 | 4.6% | 31.6% | 30.5% | 35.6% |
| 2015–19 | 7.6% | 32.4% | 31.1% | 36.0% |
| 2020–24 | 12.8% | 32.0% | 30.7% | 34.8% |
| Change | +5.8 pts | +1.7 pts | +1.7 pts | +1.5 pts |
Middlesex is overwhelmingly a place of homeowners: only 12.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Nearly six in ten owners (57.9%) have paid off their mortgages, well 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 Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.2% | 8.1% | 10.3% | 11.4% |
| 2010–14 | 7.8% | 8.6% | 10.5% | 11.4% |
| 2015–19 | 3.0% | 8.6% | 10.7% | 11.1% |
| 2020–24 | 5.9% | 6.5% | 9.1% | 9.6% |
| Change | +1.7 pts | −1.6 pts | −1.2 pts | −1.8 pts |
Vacancy is on the low side in Middlesex: 5.9% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. The picture is much the same across the Harrisburg area.
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 Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 1981 | 1969 | 1963 | 1974 |
| 2010–14 | 1983 | 1970 | 1964 | 1975 |
| 2015–19 | 1984 | 1971 | 1965 | 1977 |
| 2020–24 | 1982 | 1974 | 1967 | 1980 |
| Change | +1 | +5 | +4 | +6 |
Homes in Middlesex are about the same age as the nation's housing: the median home was built in 1982, versus 1980 nationally. Homes here are newer than in the Harrisburg area overall, where the median home dates to 1974.
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 Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | $573 | $808 | $829 | $965 |
| 2010–14 | $1,180 | $909 | $923 | $1,040 |
| 2015–19 | $992 | $1,045 | $1,039 | $1,213 |
| 2020–24 | $944 | $1,304 | $1,323 | $1,571 |
| Change | +$370 | +$496 | +$494 | +$606 |
The median renter in Middlesex pays $944 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 16.7% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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 Middlesex
Bachelor's degrees in Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 21.8% | 28.6% | 27.2% | 28.4% |
| 2010–14 | 22.6% | 29.4% | 28.7% | 29.6% |
| 2015–19 | 30.6% | 32.7% | 31.8% | 32.1% |
| 2020–24 | 28.3% | 35.9% | 35.6% | 35.6% |
| Change | +6.5 pts | +7.3 pts | +8.3 pts | +7.2 pts |
College degrees are less common in Middlesex than nationally: 28.3% of adults 25 and older have a bachelor's or higher, against 35.6%.
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 Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 89.5% | 89.0% | 87.3% | 84.9% |
| 2010–14 | 94.0% | 89.8% | 88.8% | 86.1% |
| 2015–19 | 92.5% | 90.8% | 90.3% | 87.7% |
| 2020–24 | 87.9% | 91.8% | 91.8% | 89.3% |
| Change | −1.6 pts | +2.8 pts | +4.5 pts | +4.3 pts |
About as many adults in Middlesex have finished high school as nationally: 87.9%, against 89.3%. The rate is lower than in the Harrisburg area as a whole (91.8%).
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 Middlesex
| Period | Middlesex | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.9% | 5.6% | 7.5% | 8.1% |
| 2010–14 | 3.3% | 6.9% | 8.8% | 9.4% |
| 2015–19 | 1.7% | 4.2% | 5.5% | 5.6% |
| 2020–24 | 2.8% | 4.2% | 5.4% | 5.4% |
| Change | −1.2 pts | −1.4 pts | −2.1 pts | −2.7 pts |
The job market in Middlesex has been strong: just 2.8% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).
Middlesex 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Middlesex | 2.37 | 49.0 | 21.1% | 12.8% | 5.9% | 1982 | $944 | 28.3% | 87.9% | 2.8% |
| Schlusser | 2.40 | 44.7 | 7.3% | 17.0% | 8.5% | 1981 | $1,168 | 31.1% | 95.5% | 2.5% |
| Carlisle Springs | 2.25 | 54.4 | 13.8% | 17.7% | 1.7% | 1972 | $1,053 | 22.9% | 90.6% | 1.5% |
| New Kingstown | 2.20 | 51.8 | 1.7% | 16.8% | 6.0% | 1997 | $1,222 | 41.7% | 96.4% | 1.6% |
| Carlisle | 2.32 | 43.4 | 9.3% | 33.5% | 6.5% | 1973 | $1,249 | 33.7% | 93.3% | 3.8% |
| Caprivi | 2.62 | 45.7 | 7.5% | 18.6% | 6.4% | 1977 | $815 | 19.1% | 91.0% | 12.6% |
| Shermans Dale | 2.27 | 45.9 | 19.9% | 18.9% | 2.5% | 1986 | $904 | 20.9% | 90.0% | 2.7% |
| Dellville | 2.45 | 51.5 | 4.7% | 5.5% | 3.5% | 1983 | $1,042 | 21.3% | 93.2% | 3.2% |
| Boiling Springs | 2.83 | 41.3 | 12.1% | 15.4% | 2.4% | 1986 | $1,277 | 49.7% | 98.4% | 3.3% |
| Mechanicsburg | 2.47 | 42.6 | 6.1% | 25.7% | 4.4% | 1989 | $1,606 | 51.4% | 96.5% | 2.4% |
| Windsor Park | 1.93 | 27.4 | 9.2% | 67.3% | 1.2% | 2001 | $1,321 | 24.7% | 100.0% | 0.0% |
All figures 2020–24.
Cities with similar populations: Lock Three, AL · Seale, TX · Scotland, NH · Scotland, MO · Schneider, IN · Schlatterville, GA · Sauget, IL · Sato, SC · Sardis, KY · Sanford, TX
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 Middlesex. 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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