Shrewsbury is a borough in Monmouth County, New Jersey, USA. As of the 2010 United States Census, the borough's population was 3,809, reflecting an increase of 219 (+6.1%) from the 3,590 counted in the 2000 Census, which had in turn increased by 494 (+16.0%) from the 3,096 counted in the 1990 Census.
Shrewsbury was formed as a borough by an act of the New Jersey Legislature on March 22, 1926, from portions of Shrewsbury Township, based on the results of a referendum held on May 11, 1926. The borough's name comes from Shrewsbury, England.
According to the United States Census Bureau, the borough had a total area of 2.19 square miles (5.67 km2), including 2.16 square miles (5.60 km2) of land and 0.03 square miles (0.07 km2) of water (1.32%).
The borough borders the Monmouth County municipalities of Eatontown, Little Silver, Oceanport, Red Bank, Shrewsbury Township and Tinton Falls.
Shrewsbury Borough prior to 1926 was a part of Shrewsbury Township, which had originally encompassed most of Monmouth and Ocean County, New Jersey counties, including several of the other municipalities nearby, until finally shrinking down to under one square mile.
The 2010 United States Census counted 3,809 people, 1,261 households, and 1,026 families in the borough. The population density was 1,757.2 inhabitants per square mile (678.5/km2). There were 1,310 housing units at an average density of 604.4 per square mile (233.4/km2). The racial makeup was 95.62% (3,642) White, 0.66% (25) Black or African American, 0.11% (4) Native American, 2.13% (81) Asian, 0.03% (1) Pacific Islander, 0.58% (22) from other races, and 0.89% (34) from two or more races. Hispanic or Latino of any race were 2.49% (95) of the population.
Of the 1,261 households, 40.7% had children under the age of 18; 71.5% were married couples living together; 8.2% had a female householder with no husband present and 18.6% were non-families. Of all households, 16.5% were made up of individuals and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.87 and the average family size was 3.24.
27.0% of the population were under the age of 18, 5.0% from 18 to 24, 19.2% from 25 to 44, 31.2% from 45 to 64, and 17.6% who were 65 years of age or older. The median age was 44.3 years. For every 100 females, the population had 87.7 males.