Castine, ME ZIP codes

1 ZIP/ZCTA intersecting this Census place (CDP) in Hancock County.

ACS 2023 population

926

Median household income

$143,229

Median home value

$658,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Castine (GEOID 2311230). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 1,222 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Castine, ME

Census place boundary and intersecting ZIP Code Tabulation Areas for Castine, ME — Census place boundary for Castine, ME. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Castine

Population overlap

Share of each ZIP/ZCTA’s population located within Castine, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

0442176.8%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Castine

ZIP	City	County	Population	Income
04421	Castine	Hancock County	1,222	$111,500

USPS associates these ZIPs with Castine

These codes list Castine as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
04420	Castine	Hancock County	14	—