Greenwich Township, Berks County, Pennsylvania
|• Total||31.10 sq mi (80.54 km2)|
|• Land||31.00 sq mi (80.29 km2)|
|• Water||0.10 sq mi (0.25 km2)|
|Elevation||279 ft (85 m)|
| • Estimate |
|• Density||119.75/sq mi (46.23/km2)|
|Time zone||UTC-5 (EST)|
|• Summer (DST)||UTC-4 (EDT)|
19529, 19530, 19534
|Area code(s)||610 and 484|
According to the United States Census Bureau, the township has a total area of 31.3 square miles (81 km2), all of it land. It is drained by the Maiden Creek into the Schuylkill River. The township's villages include Dreibelbis (also in Windsor Township), Grimville, Klinesville, and Krumsville.
Greenwich Township has a humid continental climate (Dfa/Dfb) and the hardiness zones are 6a and 6b. The average monthly temperatures in Krumsville range from 29.0 °F in January to 71.9 °F in July. 
- Albany Township (north)
- Windsor Township (west)
- Perry Township (southwest)
- Richmond Township (south)
- Maxatawny Township (southeast)
- Weisenberg Township, Lehigh County (east)
The borough of Lenhartsville is surrounded by Greenwich Township.
|Source: US Census Bureau|
At the 2000 census there were 3,386 people, 1,245 households, and 957 families living in the township. The population density was 108.3 people per square mile (41.8/km2). There were 1,330 housing units at an average density of 42.5/sq mi (16.4/km2). The racial makeup of the township was 98.49% White, 0.35% African American, 0.24% Native American, 0.15% Asian, 0.06% from other races, and 0.71% from two or more races. Hispanic or Latino of any race were 0.68%.
There were 1,245 households, 35.6% had children under the age of 18 living with them, 66.1% were married couples living together, 5.8% had a female householder with no husband present, and 23.1% were non-families. 16.1% of households were made up of individuals, and 4.7% were one person aged 65 or older. The average household size was 2.72 and the average family size was 3.06.
The age distribution was 26.1% under the age of 18, 7.6% from 18 to 24, 30.8% from 25 to 44, 26.3% from 45 to 64, and 9.2% 65 or older. The median age was 38 years. For every 100 females, there were 104.8 males. For every 100 females age 18 and over, there were 103.7 males.
The median household income was $51,250 and the median family income was $55,703. Males had a median income of $36,352 versus $27,278 for females. The per capita income for the township was $23,332. About 2.7% of families and 4.1% of the population were below the poverty line, including 4.5% of those under age 18 and 1.9% of those age 65 or over.
Within Berks County and other adjacent counties of Pennsylvania, the word "Greenwich" is pronounced // GREEN-witch rather than the more common // GREN-itch. This anomaly in pronunciation often leads to confusion with natives of Greenwich, London, New York City, and other areas containing a Greenwich Township, such as Huron County, Ohio.
- "2016 U.S. Gazetteer Files". United States Census Bureau. Retrieved Aug 13, 2017.
- "Population and Housing Unit Estimates". Retrieved June 9, 2017.
- "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
- https://viewer.nationalmap.gov/advanced-viewer/ The National Map, retrieved 30 October 2018
- Pennsylvania State Game Lands Number 182, retrieved 30 October 2018
- The Township of Greenwich, Berks County, PA Official Site
- Media related to Greenwich Township, Berks County, Pennsylvania at Wikimedia Commons