Castine CDP, ME
ZIP 04421 — Economy & Jobs
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Upper Middle ClassLow Snow Area
Income, employment, industries, and economic trends
Income & Economy in Castine CDP, ME (04421)
Median Income
$111,500
*Adjusted for inflation (2023 dollars)
IRS Net Migration
+55
Wealth inflow
Population
1,222
Unemployment
2.1%
1.6pp below US avg
IRS migration statistics show a net inflow of about 55 for ZIP 04421 (Castine CDP, ME) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.
Historical Trends in 04421 (2020–Present)
Since 2020, population grew 2.8%, median income rose 45.4% (inflation-adjusted), home values increased 30.8%.
Economy & Jobs key statistics
| Income & Jobs | |
|---|---|
| Median household income | $111,500 |
| Unemployment | 2.1% |
| Establishments | 28 |
| Employees | 150 |