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Middletown CDP, PA
ZIP 18020 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Upper Middle ClassLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 18020
18020 has a population of 21,144 with a median age of 42.3 yrs (48.5% male).
Health & Community Indicators in 18020
Historical Trends in 18020 (2020–Present)
Since 2020, population declined 0.2%, median income rose 7.0% (inflation-adjusted), home values increased 8.7%.
People & Community key statistics
| Population | |
|---|---|
| Population | 21,144 |
| Median age | 42.3 |
| Poverty rate | 6.2% |
| Demographics | |
|---|---|
| White | 75.8% |
| Hispanic | 15.2% |
| Black | 5.6% |
| Asian | 4.8% |
| Foreign-born | 19.3% |