ZIP 18221 vs ZIP 18231
A side-by-side comparison of ZIP Code 18221 and ZIP Code 18231: population, income, housing, and more.
ZIP 18221 and ZIP 18231 are ZIP Code areas in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 18221 has the higher population (435 vs 431 in ZIP 18231). ZIP 18231 has the higher median household income ($73,571 vs $68,393 in ZIP 18221). ZIP 18221 has the higher median home value ($188,500 vs $115,500 in ZIP 18231).
Population, income & housing
| ZIP 18221 | ZIP 18231 | |
|---|---|---|
| Population | 435 | 431 |
| Median age | 33.7 yrs | 29.9 yrs |
| Median household income | $68,393 | $73,571 |
| Median home value | $188,500 | $115,500 |
| Median gross rent | — | $819 |
| Housing units | 239 | 193 |
| Homeownership rate | 79.4% | 86.6% |
| Bachelor's degree or higher | 9.9% | 14.4% |
| Unemployment rate | 27.1% | 8.4% |
Trends (ACS 5-year, 2019–2023)
| ZIP 18221 | ZIP 18231 | |
|---|---|---|
| Population | 212 → 435 (+105.2%) | 487 → 431 (-11.5%) |
| Median household income | $107,992 → $68,393 (-36.7%) | $49,886 → $73,571 (+47.5%) |
| Median home value | $91,400 → $188,500 (+106.2%) | $91,200 → $115,500 (+26.6%) |
| Median gross rent | — | $855 → $819 (-4.2%) |
ZIP 18221
212435
$107,992$68,393
$91,400$188,500
ZIP 18231
487431
$49,886$73,571
$91,200$115,500
$855$819
Age & race/ethnicity
Age distribution (share)
| ZIP 18221 | ZIP 18231 | |
|---|---|---|
| Under 5 | 0.0% | 8.4% |
| 5 to 17 | 27.8% | 19.5% |
| 18 to 24 | 0.0% | 9.5% |
| 25 to 34 | 32.0% | 19.7% |
| 35 to 44 | 0.0% | 3.7% |
| 45 to 54 | 9.9% | 23.2% |
| 55 to 64 | 6.7% | 9.7% |
| 65 to 74 | 23.7% | 0.7% |
| 75 and over | 0.0% | 5.6% |
Race & ethnicity (share)
| ZIP 18221 | ZIP 18231 | |
|---|---|---|
| White (non-Hispanic) | 100.0% | 88.4% |
| Black or African American | 0.0% | 0.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 0.0% | 0.0% |
| Hispanic or Latino | 0.0% | 11.6% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 18221 | ZIP 18231 | |
|---|---|---|
| No high school diploma | 0.0% | 4.4% |
| High school graduate | 80.9% | 41.5% |
| Some college or associate's | 9.2% | 39.6% |
| Bachelor's degree | 9.9% | 4.8% |
| Graduate or professional degree | 0.0% | 9.6% |
Commute to work
How workers get to work (share)
| ZIP 18221 | ZIP 18231 | |
|---|---|---|
| Drove alone | 33.6% | 88.8% |
| Carpooled | 0.0% | 7.9% |
| Public transit | 0.0% | 0.0% |
| Walked | 0.0% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 66.4% | 0.0% |
| Other means | 0.0% | 3.3% |
Housing
Units in structure (share)
| ZIP 18221 | ZIP 18231 | |
|---|---|---|
| 1-unit, detached | 60.3% | 74.1% |
| 1-unit, attached | 34.3% | 15.0% |
| 2 to 4 units | 0.0% | 6.2% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 5.4% | 4.7% |
Poverty & households
| ZIP 18221 | ZIP 18231 | |
|---|---|---|
| Poverty rate | 11.3% | 7.2% |
| Average household size | 2.13 | 2.51 |
| Mean commute (minutes) | — | 18 |
| Median year structure built | 1938 | 1938 |