1866Infrastructure
Roselle's name is derived from the Roselle Land Improvement Company, which was created in 1866 to lay out a community around the Mulford Station on the Central Railroad of New J...
1883Government
== History ==
On January 19, 1883, the world's first electric lighting system employing overhead wires began service in Roselle.
1894Government
Roselle was incorporated on December 20, 1894, at the height of the Boroughitis phenomenon sweeping through New Jersey at the time, based on the results of a referendum held two...
1913Military
Joseph the Carpenter School, which was founded in 1913, serves students in preschool through eighth grade, operating under the supervision of the Newark Archdiocese.
2000History
=== 2000 census ===
As of the 2000 United States census there were 21,274 people, 7,520 households, and 5,226 families residing in the borough.
2002Government
Roselle was selected in 2002 as one of a group of three zones added to participate in the program.
2004Government
In the 2004 presidential election, Democrat John Kerry received 6,325 votes (79.4% vs.
2006History
The Census Bureau's 2006–2010 American Community Survey showed that (in 2010 inflation-adjusted dollars) median household income was $58,041 (with a margin of error of +/− $3,94...
2008Government
In the 2008 presidential election, Democrat Barack Obama received 8,055 votes (85.4% vs.
2009Government
In the 2009 gubernatorial election, Democrat Jon Corzine received 3,816 ballots cast (77.3% vs.
2011Civil Rights
=== Politics ===
As of March 2011, there were a total of 11,743 registered voters in Roselle, of which 7,127 (60.7% vs.
2012Government
In the 2012 presidential election, Democrat Barack Obama received 8,034 votes (88.8% vs.
2015Civil Rights
Council President Kim Shaw was named to serve as acting mayor in March 2015, after Jamel Holley was named to fill a vacant seat in the New Jersey General Assembly.
2017Government
In the 2017 gubernatorial election, Democrat Phil Murphy received 3,823 votes (87.6% vs.
2020History
== Demographics ==
=== 2020 census ===
=== 2010 census ===
The 2010 United States census counted 21,085 people, 7,407 households, and 5,096 families in the borough.
2023History
The Population Estimates Program calculated a population of 22,342 in 2023, a decrease of 353 (−1.6%).
2025History
As of 2025, Union County's County Commissioners are:
Rebecca Williams (D, Plainfield, 2025),
Joesph Bodek (D, Linden, 2026),
James E.
2026Government
As of 2026, the mayor of the Borough of Roselle is Democrat Donald Shaw, whose term of office ends on December 31, 2027.
2027Military
New Jersey is represented in the United States Senate by Democrats Cory Booker (Newark, term ends 2027) and Andy Kim (Moorestown, term ends 2031).