Greenwich township Population

2010–2026

3,506

2026 projection

3% since 2020 (increase)

01K2K3K4K201020122014201620182020202220242026

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 Greenwich township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,506+100.29%
20253,496+100.29%
20243,486+361.04%
20233,450+270.79%
20223,423+120.35%
20213,411+70.21%
20203,404-2426.64%
20193,646-100.27%
20183,656+220.61%
20173,634+130.36%

Showing 10 of 17 years.

Greenwich township Demographics

44.4median age

Median age

Female46.1 yrs
Male40.4 yrs

Adults

2,884
739 seniors · 26%2,145 other adults

Sex

Female 50.9% · 1,748Male 49.1% · 1,686

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 34 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

Greenwich township Income

$103,393median household income

Median household income

$103,393

Half of households earn more, half earn less

Median earnings

$52,663

Typical yearly pay for a worker 25 or older.

Poverty rate

7.7%

About 1 in 13 residents

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

Greenwich township Marital Status

62% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married62%63%62%
Never married21%27%14%
Divorced5%4%7%
Widowed8%4%11%
Separated4%2%6%

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