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ZIP Code 04421
Castine, ME, Hancock County
Population
1,362
Land area
7.8sq mi
People per sq mi
175
City
Castine
ZIP 04421 and nearby ZIP codes
ZIP 04421 at a glance
- ZIP 04421 (Castine) is about 3.9 times as dense as Maine as a whole.
- Households here earn a median of $113,750 a year, 52% more than the Maine figure of $74,733.
- A typical owner-occupied home is valued at $603,500 (about 2 times the Maine figure) and median rent is $1,105 a month.
Local data for ZIP 04421
Counts from official public data
Housing and community stats
ZIP 04421, American Community Survey 2020-2024
Median household income
$113,750
Poverty rate
14.1%
Median home value
$603,500
Prices +8.9% in a year
Median rent
$1,105/mo
Homeownership
80.4%
Bachelor's or higher
74.5%
Median age
21.2
Average commute
14.2 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
28
ZIP Business Patterns 2023
Employees
150
$6.36M annual payroll
PPP loans
$762K
39 loans
Campaign donations
$16.57K
74% D, 9% R, 2026 cycle
Environment and hazard risk
ZIP 04421, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
827
Countywide, mostly high wind
Flood insurance policies
284
1.0% of homes, county
July high / Jan low
77° / 10°F
48.8 inches of rain a year
Health statistics
Share of adults in ZIP 04421, CDC PLACES estimates
Obesity
22.7%
U.S. 33.3% -10.6 pts
Diabetes
6.8%
U.S. 12.1% -5.3 pts
Smoking
8.6%
U.S. 12.8% -4.2 pts
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
Cities in ZIP 04421
ZIP codes near 04421
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 04617Castine | 4.7 mi | 22.3 |
| 04642Castine | 5.1 mi | 8.5 |
| 04476Castine | 5.1 mi | 39.9 |
| 04981Searsport | 8.4 mi | 37.7 |
| 04974Searsport | 8.6 mi | 28.7 |
| 04848Castine | 9.1 mi | 14.3 |
| 04676Blue Hill | 9.2 mi | 24.3 |
| 04673Blue Hill | 9.6 mi | 3 |
| 04650Castine | 9.6 mi | 3.4 |
| 04614Blue Hill | 9.9 mi | 62.5 |
| 04431Bucksport | 12 mi | 0.1 |
| 04683Castine | 12 mi | 0.4 |
Frequently asked questions
- What city is ZIP code 04421?
- ZIP code 04421 is in Castine, ME (Hancock County).
- What county is ZIP code 04421 in?
- ZIP code 04421 is mostly in Hancock County, Maine.
- How many people live in ZIP code 04421?
- About 1,362 people live in the 04421 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.