Population 549 · Census ACS 2020–24
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Population and households in ZIP 18231
Household size in ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 2.19 | 2.51 | 2.68 |
| 2010–14 | 2.19 | 2.53 | 2.73 |
| 2015–19 | 2.32 | 2.50 | 2.71 |
| 2020–24 | 2.31 | 2.46 | 2.65 |
| Change | +0.12 | −0.05 | −0.03 |
Households in ZIP 18231 are small: just 2.31 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. Since 2006–10, household size has climbed from 2.19, but in a place this small, survey estimates can swing a lot from one release to the next.
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 ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 48.8 | 40.3 | 37.7 |
| 2010–14 | 48.4 | 41.0 | 38.6 |
| 2015–19 | 47.1 | 41.8 | 39.6 |
| 2020–24 | 34.4 | 42.0 | 40.1 |
| Change | −14.4 | +1.7 | +2.3 |
With a median age of just 34.4, ZIP 18231 is far younger than the country as a whole (40.1), a population that tilts toward young adults, many of them living alone or as couples.
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 ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 4.4% | 10.5% | 12.3% |
| 2010–14 | 5.8% | 10.6% | 12.3% |
| 2015–19 | 8.1% | 10.5% | 11.6% |
| 2020–24 | 23.6% | 10.7% | 11.6% |
| Change | +19.2 pts | +0.2 pts | −0.6 pts |
Single parents head nearly a quarter of households in ZIP 18231 (23.6%), well above 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 ZIP 18231
Renters in ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 11.3% | 29.0% | 33.3% |
| 2010–14 | 21.1% | 30.5% | 35.6% |
| 2015–19 | 16.6% | 31.1% | 36.0% |
| 2020–24 | 13.1% | 30.7% | 34.8% |
| Change | +1.8 pts | +1.7 pts | +1.5 pts |
ZIP 18231 is overwhelmingly a place of homeowners: only 13.1% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. More than half of owners (53.8%) 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 ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 7.8% | 10.3% | 11.4% |
| 2010–14 | 11.9% | 10.5% | 11.4% |
| 2015–19 | 8.9% | 10.7% | 11.1% |
| 2020–24 | 5.9% | 9.1% | 9.6% |
| Change | −1.9 pts | −1.2 pts | −1.8 pts |
Vacancy is on the low side in ZIP 18231: 5.9% of homes sit empty, against 9.6% nationally, which points to steady demand for housing.
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 ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 1950 | 1963 | 1974 |
| 2010–14 | 1942 | 1964 | 1975 |
| 2015–19 | 1955 | 1965 | 1977 |
| 2020–24 | 1955 | 1967 | 1980 |
| Change | +5 | +4 | +6 |
The housing in ZIP 18231 is old by national standards: the median home dates to 1955, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.
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 ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | $658 | $829 | $965 |
| 2010–14 | $635 | $923 | $1,040 |
| 2015–19 | $887 | $1,039 | $1,213 |
| 2020–24 | $856 | $1,323 | $1,571 |
| Change | +$198 | +$494 | +$606 |
A typical rental in ZIP 18231 costs $856 a month with utilities, well below the national median of $1,571. Rent takes 25.7% 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 ZIP 18231
Bachelor's degrees in ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 9.4% | 27.2% | 28.4% |
| 2010–14 | 12.6% | 28.7% | 29.6% |
| 2015–19 | 11.4% | 31.8% | 32.1% |
| 2020–24 | 13.8% | 35.6% | 35.6% |
| Change | +4.3 pts | +8.3 pts | +7.2 pts |
Fewer adults in ZIP 18231 have a four-year degree than in the country as a whole: 13.8%, 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 ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 87.9% | 87.3% | 84.9% |
| 2010–14 | 88.5% | 88.8% | 86.1% |
| 2015–19 | 90.5% | 90.3% | 87.7% |
| 2020–24 | 85.4% | 91.8% | 89.3% |
| Change | −2.5 pts | +4.5 pts | +4.3 pts |
About one in seven adults in ZIP 18231 never finished high school, more than nationally: 85.4% have a diploma or equivalent, against 89.3% across the U.S.
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 ZIP 18231
| Period | ZIP 18231 | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 10.0% | 7.5% | 8.1% |
| 2010–14 | 9.7% | 8.8% | 9.4% |
| 2015–19 | 5.1% | 5.5% | 5.6% |
| 2020–24 | 5.7% | 5.4% | 5.4% |
| Change | −4.3 pts | −2.1 pts | −2.7 pts |
At 5.7%, unemployment in ZIP 18231 is close to 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).
ZIP 18231 compared with nearby ZIP codes
| ZIP code | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| ZIP 18231 | 2.31 | 34.4 | 23.6% | 13.1% | 5.9% | 1955 | $856 | 13.8% | 85.4% | 5.7% |
| ZIP 18237 | 2.40 | 34.2 | 20.8% | 36.5% | 16.9% | 1946 | $962 | 13.7% | 84.5% | 6.4% |
| ZIP 18254 | 2.76 | 49.8 | 20.6% | 15.2% | 24.0% | 1952 | $1,449 | 8.5% | 98.0% | 10.0% |
| ZIP 18245 | 2.51 | 45.5 | 6.4% | 12.0% | 8.3% | 1965 | $864 | 24.8% | 84.7% | 18.4% |
| ZIP 18230 | 2.60 | 51.5 | 16.8% | 14.7% | 19.7% | 1958 | $1,341 | 9.2% | 97.4% | 10.9% |
| ZIP 18201 | 2.69 | 38.1 | 18.7% | 46.5% | 8.1% | 1955 | $1,159 | 10.9% | 76.0% | 6.3% |
| ZIP 18202 | 2.63 | 43.4 | 13.5% | 28.5% | 11.2% | 1961 | $1,215 | 18.6% | 82.2% | 6.2% |
| ZIP 18216 | 2.28 | 50.4 | 13.9% | 33.9% | 15.9% | 1947 | $1,177 | 10.6% | 92.6% | 10.0% |
| ZIP 18220 | 2.40 | 38.9 | 2.7% | 16.1% | 12.8% | 1938 | $855 | 20.4% | 93.6% | 22.0% |
| ZIP 18225 | 2.26 | 57.3 | 3.3% | 18.4% | 3.5% | 1981 | $886 | 21.6% | 88.8% | 2.6% |
| ZIP 18248 | 2.38 | 39.6 | 22.3% | 9.0% | 16.3% | 1966 | $786 | 24.2% | 94.7% | 7.1% |
All figures 2020–24.
Zip codes with similar populations: 79010, TX · 54214, WI · 53810, WI · 69217, NE · 71356, LA · 72001, AR · 72544, AR · 72624, AR · 72660, AR · 74084, OK
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 ZIP 18231. 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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