ZIP 18821 vs ZIP 18831
A side-by-side comparison of ZIP Code 18821 and ZIP Code 18831: population, income, housing, and more.
ZIP 18821 and ZIP 18831 are ZIP Code areas in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 18831 has the higher population (1,065 vs 1,046 in ZIP 18821). ZIP 18831 has the higher median household income ($77,411 vs $59,545 in ZIP 18821). ZIP 18831 has the higher median home value ($189,100 vs $164,600 in ZIP 18821).
Population, income & housing
| ZIP 18821 | ZIP 18831 | |
|---|---|---|
| Population | 1,046 | 1,065 |
| Median age | 47.5 yrs | 53.8 yrs |
| Median household income | $59,545 | $77,411 |
| Median home value | $164,600 | $189,100 |
| Median gross rent | $800 | $831 |
| Housing units | 502 | 477 |
| Homeownership rate | 73.4% | 85.9% |
| Bachelor's degree or higher | 18.0% | 16.9% |
| Unemployment rate | 8.3% | 4.3% |
Trends (ACS 5-year, 2019–2023)
| ZIP 18821 | ZIP 18831 | |
|---|---|---|
| Population | 1,404 → 1,046 (-25.5%) | 1,180 → 1,065 (-9.7%) |
| Median household income | $50,300 → $59,545 (+18.4%) | $52,500 → $77,411 (+47.4%) |
| Median home value | $138,500 → $164,600 (+18.8%) | $134,400 → $189,100 (+40.7%) |
| Median gross rent | $795 → $800 (+0.6%) | $618 → $831 (+34.5%) |
ZIP 18821
1,4041,046
$50,300$59,545
$138,500$164,600
$795$800
ZIP 18831
1,1801,065
$52,500$77,411
$134,400$189,100
$618$831
Age & race/ethnicity
Age distribution (share)
| ZIP 18821 | ZIP 18831 | |
|---|---|---|
| Under 5 | 4.7% | 2.5% |
| 5 to 17 | 14.4% | 19.4% |
| 18 to 24 | 5.0% | 3.6% |
| 25 to 34 | 11.1% | 5.5% |
| 35 to 44 | 12.0% | 9.6% |
| 45 to 54 | 8.2% | 10.8% |
| 55 to 64 | 16.5% | 15.4% |
| 65 to 74 | 16.3% | 23.3% |
| 75 and over | 11.8% | 9.9% |
Race & ethnicity (share)
| ZIP 18821 | ZIP 18831 | |
|---|---|---|
| White (non-Hispanic) | 90.7% | 91.7% |
| Black or African American | 0.1% | 0.7% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 2.1% | 2.5% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 3.1% |
| Two or more races | 3.7% | 1.9% |
| Hispanic or Latino | 3.3% | 0.1% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 18821 | ZIP 18831 | |
|---|---|---|
| No high school diploma | 13.5% | 8.2% |
| High school graduate | 47.5% | 52.1% |
| Some college or associate's | 21.0% | 22.8% |
| Bachelor's degree | 12.5% | 8.8% |
| Graduate or professional degree | 5.5% | 8.1% |
Commute to work
How workers get to work (share)
| ZIP 18821 | ZIP 18831 | |
|---|---|---|
| Drove alone | 68.5% | 83.4% |
| Carpooled | 12.4% | 10.2% |
| Public transit | 0.5% | 0.0% |
| Walked | 1.4% | 1.7% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 16.8% | 3.2% |
| Other means | 0.5% | 1.5% |
Housing
Units in structure (share)
| ZIP 18821 | ZIP 18831 | |
|---|---|---|
| 1-unit, detached | 70.5% | 81.3% |
| 1-unit, attached | 1.2% | 1.3% |
| 2 to 4 units | 10.4% | 3.8% |
| 5 to 19 units | 4.0% | 0.0% |
| 20 or more units | 6.8% | 0.0% |
| Mobile home & other | 7.2% | 13.6% |
Poverty & households
| ZIP 18821 | ZIP 18831 | |
|---|---|---|
| Poverty rate | 6.9% | 3.2% |
| Average household size | 2.26 | 2.58 |
| Mean commute (minutes) | 19 | 26 |
| Median year structure built | 1966 | 1976 |