There were 1,574 households of which 28.5% had children under the age of 18 living with them, 41.7% were married couples living together, 15.1% had a female householder with no husband present, and 38.6% were non-families. 32.0% of all households were made up of individuals and 12.5% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 3.09.
In the borough, 22.5% of the population were under the age of 18, 8.3% from 18 to 24, 28.6% from 25 to 44, 27.7% from 45 to 64, and 12.9% who were 65 years of age or older. The median age was 38.6 years. For every 100 females there were 91.1 males. For every 100 females age 18 and over, there were 88.5 males.
The Census Bureau's 2006-2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $62,358 (with a margin of error of +/- $9,850) and the median family income was $85,909 (+/- $16,985). Males had a median income of $49,926 (+/- $36,924) versus $41,369 (+/- $15,495) for females. The per capita income for the borough was $34,308 (+/- $4,408). About 11.7% of families and 11.1% of the population were below the poverty line, including 23.7% of those under age 18 and 6.0% of those age 65 or over.
There were 1,524 households out of which 32.1% had children under the age of 18 living with them, 45.1% were married couples living together, 12.9% had a female householder with no husband present, and 37.9% were non-families. 32.0% of all households were made up of individuals and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.19.
In the borough the population was spread out with 25.7% under the age of 18, 6.8% from 18 to 24, 31.5% from 25 to 44, 22.1% from 45 to 64, and 13.8% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 89.1 males. For every 100 females age 18 and over, there were 84.6 males.
The median income for a household in the borough was $49,392, and the median income for a family was $60,652. Males had a median income of $43,375 versus $30,771 for females. The per capita income for the borough was $25,589. About 5.8% of families and 6.8% of the population were below the poverty line, including 9.4% of those under age 18 and 3.0% of those age 65 or over.
Merchantville is governed under the borough form of New Jersey municipal government. The government consists of a Mayor and a Borough Council comprising six council members, with all positions elected at large. The mayor is elected directly by the voters to a four-year term of office. The Borough Council consists of six members elected to serve three-year terms on a staggered basis, with two seats coming up for election each year.
As of 2013[update], the Mayor of Merchantville Borough is Frank M. North. Members of the Borough Council are Council President Steve Volkert, Edward Brennan, Patricia Fields, John Grasso, Dan Sperrazza, and Anthony Perno.
As of March 23, 2011, there were a total of 2,610 registered voters in Merchantville, of which 990 (37.9%) were registered as Democrats, 489 (18.7%) were registered as Republicans and 1,129 (43.3%) were registered as Unaffiliated. There were 2 voters registered to other parties.
In the 2008 presidential election, Democrat Barack Obama received 63.8% of the vote here (1,274 cast), ahead of Republican John McCain, who received around 33.4% (667 votes), with 1,998 ballots cast among the borough's 2,533 registered voters, for a turnout of 78.9%. In the 2004 presidential election, Democrat John Kerry received 57.9% of the vote here (1,107 ballots cast), outpolling Republican George W. Bush, who received around 37.2% (711 votes), with 1,912 ballots cast among the borough's 2,461 registered voters, for a turnout percentage of 77.7.
Students in public school for Pre-Kindergarten through eighth grade attend the Merchantville School District, which served a total of 322 students at Merchantville Elementary School as of the 2010-11 school year.
^via Associated Press. "Booker is officially a U.S. senator after being sworn in", NJ.com, October 31, 2013. Accessed October 31, 2013. "Former Newark Mayor Cory Booker was sworn in as a Democratic senator from New Jersey today, taking the oath of office, exchanging hugs with Vice President Joe Biden and acknowledging the applause of friends and family members seated in the visitor's gallery that rings the chamber.... Booker, 44, was elected to fill out the term of the late Sen. Frank Lautenberg, who died earlier this year."
^State of the County and Reorganization Meeting, Camden County, New Jersey. Accessed January 9, 2013. "Freeholder-Director Louis Cappelli, Jr. delivered the State of the County address as the Freeholder Board officially reorganized on Jan. 4 at 4:00 p.m. at the Camden County Courthouse. Newly elected Freeholder Michelle Gentek took the oath of office along with Ian Leonard and Jeffrey L. Nash to join their colleagues on the 2013 Freeholder Board."
^County Clerk, Camden County, New Jersey. Accessed January 9, 2013.
^Sheriff, Camden County, New Jersey. Accessed January 9, 2013.
^Cusic, Don. Discovering Country Music, p. 62. ABC-CLIO, 2008. ISBN 0313352453. Accessed July 3, 2012. "Sholes was born in Washington, DC, on February 12, 1911, and lived there until he was nine when the family moved to Merchantville, New Jersey. After high school, he attended Rutgers University and continued to work at RCA Victor part time."
^Mee, Bob. "Obituary: Jersey Joe Walcott", The Independent, February 28, 1994. Accessed November 19, 2012. "Arnold Raymond Cream (Jersey Joe Walcott), boxer: born Merchantville, New Jersey 31 January 1914; married 1933 (two sons, four daughters); died Camden, New Jersey 26 February 1994."