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Castine, ME
Census-designated place in Hancock County, Maine. ZIP codes: 04421.
Population
996
Land area
1.5sq mi
People per sq mi
646
ZIP codes
1
Castine and its ZIP codes
Castine at a glance
- Castine is about 14 times as dense as Maine as a whole.
- The median household income is $168,516, about 2.3 times the Maine median of $74,733.
- A typical owner-occupied home is valued at $798,800 (about 2.7 times the Maine figure).
Local data for Castine, ME
Counts from official public data
Housing and community stats
Castine, ME, American Community Survey 2020-2024
Median household income
$168,516
Poverty rate
0.7%
Median home value
$798,800
Homeownership
90.2%
Bachelor's or higher
88.1%
Median age
20.4
Average commute
14.1 min
Largest reported origins and ancestries: Scottish Americans (135), German Americans (95), Irish Americans (94).
Economy and federal money
Jobs, pay, income and spending are for Hancock County. PPP loans are for Castine.
Unemployment rate
2.8%
Aug 2026, +0.2 pts in a year
Average annual pay
$56,173
23,626 jobs, 2025
Income per person
$72,341
BEA, 2024
Federal spending
$589M
FY 2026, $10,609 per person
How people get to work
Castine, ME, workers 16 and older. American Community Survey 5-year estimates
- Drove alone35.3%
- Carpooled8.5%
- Public transit0.0%
- Walked42.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home14.2%
Average one-way commute: 14.1 minutes for people who do not work from home.
Environment and hazard risk
Castine, ME, 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
Hazards, floods and storm historyCheck a flood zone2 historic places
Health statistics
Share of adults in Castine, ME, CDC PLACES estimates
Obesity
21.4%
U.S. 33.3% -11.9 pts
Diabetes
5.4%
U.S. 12.1% -6.7 pts
Smoking
7.9%
U.S. 12.8% -4.9 pts
Uninsured (18-64)
7.3%
U.S. 11.1% -3.8 pts
ZIP codes in Castine
1 in or overlapping Castine. Population shown
Cities near Castine
| Name | Distance | Land area (sq mi) |
|---|---|---|
| SearsportCensus-designated place | 7.8 mi | 4.4 |
| Blue HillCensus-designated place | 10 mi | 4.7 |
| BelfastCity | 12 mi | 34.1 |
| BucksportCensus-designated place | 14 mi | 11.4 |
| WinterportCensus-designated place | 18 mi | 5.8 |
| CamdenCensus-designated place | 18 mi | 3.8 |
| EllsworthCity | 20 mi | 79.3 |
| HampdenCensus-designated place | 24 mi | 11 |
| Southwest HarborCensus-designated place | 25 mi | 1.3 |
| RocklandCity | 25 mi | 12.8 |
| Northeast HarborCensus-designated place | 26 mi | 0.7 |
| BrewerCity | 27 mi | 15.2 |
| ThomastonCensus-designated place | 29 mi | 2.1 |
| Bar HarborCensus-designated place | 29 mi | 3.2 |
Frequently asked questions
- What county is Castine, ME in?
- Castine is in Hancock County, Maine.
- What ZIP codes are in Castine, ME?
- ZIP codes in or overlapping Castine include 04421.
- What is the population of Castine, ME?
- About 996 people live in Castine, based on American Community Survey 5-year estimates.
- What cities are near Castine?
- Nearby places include Searsport (7.8 mi), Blue Hill (10 mi), Belfast (12 mi), Bucksport (14 mi), Winterport (18 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023