View source for Dunellen, New Jersey

===2010 census===
The [[2010 United States census]] counted 7,227 people, 2,566 households, and 1,763 families in the borough. The [[population density]] was 6,894.8 per square mile (2,662.1/km<sup>2</sup>). There were 2,683 housing units at an average density of 2,559.7 per square mile (988.3/km<sup>2</sup>). The racial makeup was 73.46% (5,309) [[White (U.S. census)|White]], 8.62% (623) [[Black (U.S. census)|Black or African American]], 0.26% (19) [[Native American (U.S. census)|Native American]], 4.51% (326) [[Asian (U.S. census)|Asian]], 0.06% (4) [[Pacific Islander (U.S. census)|Pacific Islander]], 9.67% (699) from [[Race and ethnicity in the United States census|other races]], and 3.42% (247) from two or more races. [[Hispanic (U.S. census)|Hispanic or Latino]] of any race were 26.75% (1,933) of the population.<ref name=Census2010/>

Of the 2,566 households, 33.0% had children under the age of 18; 49.4% were married couples living together; 13.3% had a female householder with no husband present and 31.3% were non-families. Of all households, 24.9% were made up of individuals and 7.1% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.36.<ref name=Census2010/>

23.7% of the population were under the age of 18, 8.8% from 18 to 24, 30.9% from 25 to 44, 26.8% from 45 to 64, and 9.7% who were 65 years of age or older. The median age was 37.1 years. For every 100 females, the population had 101.3 males. For every 100 females ages 18 and older there were 100.4 males.<ref name=Census2010/>

The Census Bureau's 2006–2010 [[American Community Survey]] showed that (in 2010 [[inflation adjustment|inflation-adjusted]] dollars) [[median household income]] was $74,375 (with a margin of error of +/− $13,504) and the median family income was $88,527 (+/− $13,868). Males had a median income of $48,542 (+/− $13,495) versus $43,920 (+/− $12,613) for females. The [[per capita income]] for the borough was $30,960 (+/− $3,015). About 5.6% of families and 8.3% of the population were below the [[poverty line]], including 7.8% of those under age 18 and 9.5% of those age 65 or over.<ref>[http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP03/0600000US3402318490 DP03: Selected Economic Characteristics from the 2006-2010 American Community Survey 5-Year Estimates for Dunellen borough, Middlesex County, New Jersey] {{Webarchive|url=https://archive.today/20200212082526/http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP03/0600000US3402318490 |date=2020-02-12 }}, [[United States Census Bureau]]. Accessed May 30, 2012.</ref>