Cohasset Population

1910–2026

2,734

2026 projection

1.3% since 2020 (increase)

05001K1.5K2K2.5K3K192019401960198020002020

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 Cohasset. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,734+60.22%
20252,728+30.11%
20242,725+20.07%
20232,723+240.89%
20222,699+40.15%
20212,695-40.15%
20202,699-301.10%
20192,729+100.37%
20182,719+150.55%
20172,704-70.26%

Showing 10 of 25 years.

Cohasset Demographics

43.8median age

Median age

Female45.5 yrs
Male42.1 yrs

Adults

2,116
675 seniors · 32%1,441 other adults

Sex

Female 48.8% · 1,318Male 51.2% · 1,385

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 27 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

Cohasset Income

$92,692median household income

Median household income

$92,692

Half of households earn more, half earn less

Median earnings

$52,939

Typical yearly pay for a worker 25 or older.

Poverty rate

6.4%

About 1 in 16 residents

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

Cohasset Marital Status

70% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married70%71%68%
Never married14%14%15%
Divorced13%13%13%
Widowed3%<1%5%
Separated<1%<1%0%

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