Castine Population

2010–2026

100

2026 projection

2% since 2020 (decrease)

050100150200201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Castine. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026100-10.99%
202510100.00%
202410100.00%
202310100.00%
202210100.00%
2021101-10.98%
2020102-3324.44%
2019135-10.74%
2018136-10.73%
2017137-10.72%

Showing 10 of 17 years.

Castine Demographics

39.2median age

Median age

Female39.3 yrs
Male38.8 yrs

Adults

48
16 seniors · 33%32 other adults

Sex

Female 59.2% · 42Male 40.8% · 29

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 0.71 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Castine Income

$48,571median household income

Median household income

$48,571

Half of households earn more, half earn less

Poverty rate

26.8%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Castine Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%64%41%
Never married14%23%7%
Divorced28%5%45%
Widowed8%9%7%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201