Blue Hill vs Castine

A side-by-side comparison of Blue Hill and Castine: population, income, housing, and more.

Blue Hill and Castine are places in Maine. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Blue Hill has the higher population (1,066 vs 926 in Castine). Castine has the higher median home value ($658,200 vs $343,000 in Blue Hill). Since 2019, Blue Hill's population has grown faster (+18.3% vs +14.9%).

Population, income & housing

	Blue Hill	Castine
Population	1,066	926
Median age	52.5 yrs	20.5 yrs
Median household income	—	$143,229
Median home value	$343,000	$658,200
Housing units	877	456
Homeownership rate	54.4%	87.3%
Bachelor's degree or higher	50.2%	86.2%
Unemployment rate	0.0%	2.2%

Trends (ACS 5-year, 2019–2023)

	Blue Hill	Castine
Population	901 → 1,066 (+18.3%)	806 → 926 (+14.9%)
Median household income	$68,523 → $46,589 (-32.0%)	$138,125 → $143,229 (+3.7%)
Median home value	$285,600 → $343,000 (+20.1%)	$523,800 → $658,200 (+25.7%)
Median gross rent	$752 → $827 (+10.0%)	$1,125 → $850 (-24.4%)

Blue Hill

Population

9011,066

Median household income

$68,523$46,589

Median home value

$285,600$343,000

Median gross rent

$752$827

Castine

Population

806926

Median household income

$138,125$143,229

Median home value

$523,800$658,200

Median gross rent

$1,125$850

Age & race/ethnicity

Age distribution (share)

	Blue Hill	Castine
Under 5	3.0%	0.0%
5 to 17	17.6%	8.2%
18 to 24	6.3%	57.3%
25 to 34	4.1%	1.4%
35 to 44	0.4%	1.7%
45 to 54	24.0%	5.3%
55 to 64	18.5%	6.7%
65 to 74	5.0%	10.6%
75 and over	21.1%	8.7%

Race & ethnicity (share)

	Blue Hill	Castine
White (non-Hispanic)	97.3%	89.6%
Black or African American	0.0%	1.9%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	4.6%
Hispanic or Latino	2.7%	3.8%

Educational attainment (age 25+)

Share of adults 25+

	Blue Hill	Castine
No high school diploma	20.9%	0.0%
High school graduate	23.7%	1.6%
Some college or associate's	5.1%	12.2%
Bachelor's degree	10.8%	28.8%
Graduate or professional degree	39.4%	57.4%

Commute to work

How workers get to work (share)

	Blue Hill	Castine
Drove alone	62.3%	29.5%
Carpooled	17.8%	6.0%
Public transit	4.7%	0.0%
Walked	15.2%	52.7%
Bicycle	0.0%	0.0%
Worked from home	0.0%	11.8%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Blue Hill	Castine
1-unit, detached	56.0%	93.4%
1-unit, attached	0.0%	1.3%
2 to 4 units	30.4%	3.3%
5 to 19 units	13.6%	2.0%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Blue Hill	Castine
Poverty rate	13.2%	0.8%
Average household size	1.82	2.28
Mean commute (minutes)	21	12
Median year structure built	1971	1965