Population 7,288 · Census ACS 2020–24
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Population and households in Duncannon
Household size in Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.37 | 2.41 | 2.51 | 2.68 |
| 2010–14 | 2.42 | 2.43 | 2.53 | 2.73 |
| 2015–19 | 2.46 | 2.42 | 2.50 | 2.71 |
| 2020–24 | 2.37 | 2.44 | 2.46 | 2.65 |
| Change | −0.01 | +0.03 | −0.05 | −0.03 |
Households in Duncannon 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 biggest households, usually families with children, are concentrated in the northwest.
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 Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 42.0 | 39.8 | 40.3 | 37.7 |
| 2010–14 | 44.5 | 40.6 | 41.0 | 38.6 |
| 2015–19 | 44.5 | 40.9 | 41.8 | 39.6 |
| 2020–24 | 46.3 | 40.7 | 42.0 | 40.1 |
| Change | +4.3 | +0.8 | +1.7 | +2.3 |
Duncannon skews older: half of its residents are older than 46.3, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. Since 2006–10, the median age has climbed from 42.0, in line with the national trend.
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 Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.7% | 10.0% | 10.5% | 12.3% |
| 2010–14 | 10.6% | 10.7% | 10.6% | 12.3% |
| 2015–19 | 8.0% | 10.2% | 10.5% | 11.6% |
| 2020–24 | 9.6% | 10.2% | 10.7% | 11.6% |
| Change | −0.1 pts | +0.2 pts | +0.2 pts | −0.6 pts |
Single-parent households are less common in Duncannon than nationally: 9.6%, against 11.6%. That is in line with the rest of the Harrisburg area.
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 Duncannon
Renters in Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 24.0% | 30.3% | 29.0% | 33.3% |
| 2010–14 | 23.7% | 31.6% | 30.5% | 35.6% |
| 2015–19 | 26.4% | 32.4% | 31.1% | 36.0% |
| 2020–24 | 21.5% | 32.0% | 30.7% | 34.8% |
| Change | −2.5 pts | +1.7 pts | +1.7 pts | +1.5 pts |
Duncannon is largely a place of homeowners: only 21.5% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 42.4% have no mortgage at all, about the same as nationally. The renter share has fallen 2.5 points since 2006–10, even as the national share rose.
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 Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.7% | 8.1% | 10.3% | 11.4% |
| 2010–14 | 11.8% | 8.6% | 10.5% | 11.4% |
| 2015–19 | 9.8% | 8.6% | 10.7% | 11.1% |
| 2020–24 | 8.4% | 6.5% | 9.1% | 9.6% |
| Change | −0.4 pts | −1.6 pts | −1.2 pts | −1.8 pts |
Vacancy in Duncannon is close to the national rate: 8.4% of homes are empty, against 9.6%. The rate is higher than in the Harrisburg area overall (6.5%).
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 Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 1967 | 1969 | 1963 | 1974 |
| 2010–14 | 1966 | 1970 | 1964 | 1975 |
| 2015–19 | 1972 | 1971 | 1965 | 1977 |
| 2020–24 | 1969 | 1974 | 1967 | 1980 |
| Change | +2 | +5 | +4 | +6 |
Duncannon is a place of older homes: half were built before 1969, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. Newer construction is concentrated in the northeast, while the south 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 Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | $665 | $808 | $829 | $965 |
| 2010–14 | $766 | $909 | $923 | $1,040 |
| 2015–19 | $805 | $1,045 | $1,039 | $1,213 |
| 2020–24 | $897 | $1,304 | $1,323 | $1,571 |
| Change | +$232 | +$496 | +$494 | +$606 |
Rent in Duncannon runs $897 a month at the median, utilities included, well below the U.S. median of $1,571. Rents are up $232 a month from 2006–10, a 35% rise, a slower climb than the nation's. Rent takes 33.7% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Rents run highest in the northeast and lowest 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 Duncannon
Bachelor's degrees in Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 13.8% | 28.6% | 27.2% | 28.4% |
| 2010–14 | 14.6% | 29.4% | 28.7% | 29.6% |
| 2015–19 | 17.9% | 32.7% | 31.8% | 32.1% |
| 2020–24 | 22.3% | 35.9% | 35.6% | 35.6% |
| Change | +8.5 pts | +7.3 pts | +8.3 pts | +7.2 pts |
Fewer adults in Duncannon have a four-year degree than in the country as a whole: 22.3%, against 35.6% nationally. The share with a degree is up 8.5 points from 2006–10, mirroring the country. College graduates are most concentrated in the northeast and least in the south.
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 Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 85.6% | 89.0% | 87.3% | 84.9% |
| 2010–14 | 89.5% | 89.8% | 88.8% | 86.1% |
| 2015–19 | 90.5% | 90.8% | 90.3% | 87.7% |
| 2020–24 | 93.0% | 91.8% | 91.8% | 89.3% |
| Change | +7.4 pts | +2.8 pts | +4.5 pts | +4.3 pts |
Just over nine in ten adults in Duncannon have finished high school (93.0%), above the national rate of 89.3%. The Harrisburg area as a whole looks much the same. The share with a diploma has risen 7.4 points since 2006–10, mirroring the country.
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 Duncannon
| Period | Duncannon | Harrisburg area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.2% | 5.6% | 7.5% | 8.1% |
| 2010–14 | 7.0% | 6.9% | 8.8% | 9.4% |
| 2015–19 | 4.2% | 4.2% | 5.5% | 5.6% |
| 2020–24 | 3.0% | 4.2% | 5.4% | 5.4% |
| Change | −4.1 pts | −1.4 pts | −2.1 pts | −2.7 pts |
The job market in Duncannon has been strong: just 3.0% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment has fallen 4.1 points since 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).
Duncannon 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Duncannon | 2.37 | 46.3 | 9.6% | 21.5% | 8.4% | 1969 | $897 | 22.3% | 93.0% | 3.0% |
| Roseglen | 2.73 | 44.1 | 5.0% | 4.6% | 5.5% | 1982 | $1,000 | 18.0% | 91.8% | 5.4% |
| Kinkora Heights | 2.09 | 59.4 | 5.7% | 11.7% | 6.2% | 1977 | $892 | 27.2% | 94.1% | 0.0% |
| Losh Run | 2.65 | 43.1 | 6.8% | 6.8% | 5.2% | 1981 | $902 | 24.5% | 93.8% | 5.3% |
| Inglenook | 2.18 | 51.7 | 4.8% | 16.7% | 6.3% | 1976 | $948 | 24.6% | 92.5% | 4.1% |
| Dellville | 2.45 | 51.5 | 4.7% | 5.5% | 3.5% | 1983 | $1,042 | 21.3% | 93.2% | 3.2% |
| New Buffalo | 2.23 | 41.0 | 5.4% | 16.1% | 8.9% | 1983 | $967 | 30.1% | 89.2% | 3.0% |
| Dauphin | 2.16 | 53.7 | 2.9% | 13.2% | 10.8% | 1969 | $1,038 | 38.2% | 96.4% | 1.6% |
| Mannsville | 2.29 | 47.0 | 9.1% | 22.6% | 5.1% | 1974 | $811 | 18.8% | 90.5% | 4.6% |
| Marysville | 2.33 | 45.3 | 5.0% | 15.4% | 3.9% | 1972 | $971 | 28.2% | 93.0% | 2.4% |
| New Bloomfield | 2.46 | 50.0 | 7.2% | 6.8% | 6.3% | 1985 | $971 | 14.7% | 89.9% | 4.1% |
All figures 2020–24.
Cities with similar populations: Waveland, MS · Fort Knox, KY · Fort Leavenworth, KS · Wellsboro, PA · Fort Polk South, LA · Fort Washington, PA · Welcome, SC · Weiser, ID · Weed, CA · Fredericktown, MO
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 Duncannon. 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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