How Irish Is Garwood? See U.S. Census Numbers

UNION COUNTY, NJ - How Irish is Union County?

It depends where you’re looking, according to U.S. Census data (see town-by-town breakdown below).

Overall, roughly 43,100 Union County residents, or 7.8 percent of the population, claim Irish ancestry, per U.S. Census estimates published in 2022. That’s compared to the average 9.7 percent of people in the U.S. with Irish ancestry as a percentage of each county’s population.

In the Garden State, Cape May County wins the title of the county with the most residents with Irish heritage, touting an Irish population of over 30 percent. In fact, five other counties in the state have Irish populations of over 20 percent: Warren, Sussex, Monmouth, Ocean and Gloucester.

Here’s the town-by-town- breakdown of Irish ancestry in Union County, according to the U.S. Census Bureau's 2021 American Community Survey:

• Cranford: 414 (1.7 percent Irish heritage residents)
• Fanwood: 1,859 (24.4 percent Irish heritage residents)
• Garwood: 614 (13.88 percent Irish heritage residents)
• Roselle Park: 1,326 (9.5 percent Irish heritage residents)
• Summit: 4,118 (18.42 percent Irish heritage residents)
• Westfield: 5,682 (18.54 percent Irish heritage residents)