ZIP code 04421
Where is ZIP code 04421?
Castine, Maine
Hancock County · Standard ZIP code
ZIP code 04421 belongs to Castine, Maine in Hancock County. 04421 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area code 207. About 1,362 people live in the 04421 area, where the median household income is $113,750. The closest ZIP codes are 04420 (Castine, 0.3 mi southwest), 04617 (Brooksville, 4.1 mi southeast) and 04476 (Penobscot, 5.3 mi northeast).
| ZIP code | 04421 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Castine |
| State | Maine (ME) |
| County | Hancock County |
| Time zone | Eastern Time · now |
| Area code | 207 |
| Coordinates | 44.4156, -68.7929 map |
| 3-digit prefix | 044 |
Population and income in 04421
| Population | 1,362 · lower than 55% of Maine ZIP codes |
|---|---|
| People per square mile | 175 · higher than 80% of Maine ZIP codes |
| Median age | 21.2 years · lower than 99% of Maine ZIP codes |
| Men / women | 62% / 38% |
| Median household income | $113,750 · higher than 96% of Maine ZIP codes |
| Income per person | $39,304 |
| Below the poverty line | 14% |
| Bachelor’s degree or higher | 75% of adults 25+ |
| Median home value | $603,500 · higher than 96% of Maine ZIP codes |
| Median rent | $1,105 a month |
| Housing units | 720 |
| Households | 352 (2.22 people on average) |
| Owners / renters | 80% / 20% |
| Land area | 7.78 sq mi (plus 12.23 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 04421. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 04421
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 04420 | Castine, ME | 0.3 mi SW | Unique |
| 04617 | Brooksville, ME | 4.1 mi SE | Standard |
| 04476 | Penobscot, ME | 5.3 mi NE | Standard |
| 04642 | Harborside, ME | 5.7 mi S | Standard |
| 04972 | Sandy Point, ME | 6.9 mi N | PO Box only |
| 04981 | Stockton Springs, ME | 7.5 mi NW | Standard |
| 04974 | Searsport, ME | 8.4 mi NW | Standard |
| 04673 | Sargentville, ME | 8.8 mi SE | Standard |
| 04848 | Islesboro, ME | 9.3 mi SW | Standard |
| 04676 | Sedgwick, ME | 9.5 mi SE | Standard |
| 04472 | Orland, ME | 9.5 mi N | Standard |
| 04650 | Little Deer Isle, ME | 10 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 04421 or measure the distance to another ZIP code.
How to address mail to 04421
123 MAIN ST
CASTINE ME 04421
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (04421-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Castine, ME
All Castine ZIP codes with population and income →
Questions
- What city is ZIP code 04421?
- 04421 is a Castine, Maine ZIP code.
- What county is 04421 in?
- ZIP code 04421 is in Hancock County, Maine.
- What time zone is ZIP code 04421 in?
- 04421 is in the Eastern Time zone (America/New_York).
- What area code is 04421?
- Phone numbers in ZIP code 04421 use area code 207.
- What is the population of ZIP code 04421?
- About 1,362 people live in ZIP code 04421, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 04421?
- The median household income in 04421 is $113,750 a year, higher than 96% of Maine ZIP codes.
- What ZIP codes are near 04421?
- The nearest ZIP codes to 04421 are 04420 (Castine, 0.3 miles), 04617 (Brooksville, 4.1 miles), 04476 (Penobscot, 5.3 miles) and 04642 (Harborside, 5.7 miles).