ZIP 18421 vs ZIP 18431
A side-by-side comparison of ZIP Code 18421 and ZIP Code 18431: population, income, housing, and more.
ZIP 18421 and ZIP 18431 are ZIP Code areas in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 18431 has the higher population (12,576 vs 4,475 in ZIP 18421). ZIP 18421 has the higher median household income ($69,593 vs $55,323 in ZIP 18431). ZIP 18431 has the higher median home value ($222,000 vs $169,100 in ZIP 18421).
Population, income & housing
| ZIP 18421 | ZIP 18431 | |
|---|---|---|
| Population | 4,475 | 12,576 |
| Median age | 46.0 yrs | 45.6 yrs |
| Median household income | $69,593 | $55,323 |
| Median home value | $169,100 | $222,000 |
| Median gross rent | $869 | $1,013 |
| Housing units | 2,234 | 6,217 |
| Homeownership rate | 78.0% | 73.8% |
| Bachelor's degree or higher | 23.3% | 23.6% |
| Unemployment rate | 5.8% | 5.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 18421 | ZIP 18431 | |
|---|---|---|
| Population | 4,981 → 4,475 (-10.2%) | 11,903 → 12,576 (+5.7%) |
| Median household income | $56,567 → $69,593 (+23.0%) | $53,742 → $55,323 (+2.9%) |
| Median home value | $135,000 → $169,100 (+25.3%) | $183,100 → $222,000 (+21.2%) |
| Median gross rent | $651 → $869 (+33.5%) | $820 → $1,013 (+23.5%) |
ZIP 18421
4,9814,475
$56,567$69,593
$135,000$169,100
$651$869
ZIP 18431
11,90312,576
$53,742$55,323
$183,100$222,000
$820$1,013
Age & race/ethnicity
Age distribution (share)
| ZIP 18421 | ZIP 18431 | |
|---|---|---|
| Under 5 | 5.2% | 4.2% |
| 5 to 17 | 15.4% | 14.3% |
| 18 to 24 | 4.8% | 9.5% |
| 25 to 34 | 11.3% | 9.4% |
| 35 to 44 | 12.6% | 11.7% |
| 45 to 54 | 13.0% | 13.5% |
| 55 to 64 | 17.2% | 13.6% |
| 65 to 74 | 11.1% | 13.3% |
| 75 and over | 9.4% | 10.5% |
Race & ethnicity (share)
| ZIP 18421 | ZIP 18431 | |
|---|---|---|
| White (non-Hispanic) | 93.0% | 93.8% |
| Black or African American | 0.4% | 0.2% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 0.4% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.1% | 0.3% |
| Two or more races | 2.1% | 2.2% |
| Hispanic or Latino | 4.4% | 3.1% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 18421 | ZIP 18431 | |
|---|---|---|
| No high school diploma | 4.7% | 9.9% |
| High school graduate | 42.1% | 40.3% |
| Some college or associate's | 29.8% | 26.3% |
| Bachelor's degree | 15.7% | 12.4% |
| Graduate or professional degree | 7.6% | 11.1% |
Commute to work
How workers get to work (share)
| ZIP 18421 | ZIP 18431 | |
|---|---|---|
| Drove alone | 77.8% | 77.5% |
| Carpooled | 7.8% | 6.5% |
| Public transit | 0.0% | 0.2% |
| Walked | 2.1% | 4.2% |
| Bicycle | 0.0% | 0.2% |
| Worked from home | 11.0% | 10.8% |
| Other means | 1.3% | 0.6% |
Housing
Units in structure (share)
| ZIP 18421 | ZIP 18431 | |
|---|---|---|
| 1-unit, detached | 79.5% | 74.6% |
| 1-unit, attached | 2.8% | 1.0% |
| 2 to 4 units | 7.6% | 8.3% |
| 5 to 19 units | 3.0% | 3.2% |
| 20 or more units | 2.7% | 1.1% |
| Mobile home & other | 4.5% | 11.8% |
Poverty & households
| ZIP 18421 | ZIP 18431 | |
|---|---|---|
| Poverty rate | 12.4% | 15.5% |
| Average household size | 2.32 | 2.29 |
| Mean commute (minutes) | 27 | 22 |
| Median year structure built | 1970 | 1972 |